diff options
Diffstat (limited to 'include/linux')
97 files changed, 1875 insertions, 3225 deletions
diff --git a/include/linux/aio.h b/include/linux/aio.h index aea219d7d8d..811dbb36937 100644 --- a/include/linux/aio.h +++ b/include/linux/aio.h @@ -102,7 +102,6 @@ struct kiocb { } ki_obj; __u64 ki_user_data; /* user's data for completion */ - wait_queue_t ki_wait; loff_t ki_pos; void *private; @@ -140,7 +139,6 @@ struct kiocb { (x)->ki_dtor = NULL; \ (x)->ki_obj.tsk = tsk; \ (x)->ki_user_data = 0; \ - init_wait((&(x)->ki_wait)); \ } while (0) #define AIO_RING_MAGIC 0xa10a10a1 @@ -223,8 +221,6 @@ struct mm_struct; static inline void exit_aio(struct mm_struct *mm) { } #endif /* CONFIG_AIO */ -#define io_wait_to_kiocb(wait) container_of(wait, struct kiocb, ki_wait) - static inline struct kiocb *list_kiocb(struct list_head *h) { return list_entry(h, struct kiocb, ki_list); diff --git a/include/linux/atmel-mci.h b/include/linux/atmel-mci.h index 57b1846a3c8..3e09b345f4d 100644 --- a/include/linux/atmel-mci.h +++ b/include/linux/atmel-mci.h @@ -3,8 +3,6 @@ #define ATMEL_MCI_MAX_NR_SLOTS 2 -#include <linux/dw_dmac.h> - /** * struct mci_slot_pdata - board-specific per-slot configuration * @bus_width: Number of data lines wired up the slot @@ -34,7 +32,7 @@ struct mci_slot_pdata { * @slot: Per-slot configuration data. */ struct mci_platform_data { - struct dw_dma_slave dma_slave; + struct mci_dma_data *dma_slave; struct mci_slot_pdata slot[ATMEL_MCI_MAX_NR_SLOTS]; }; diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index 756d78b8c1c..daf8c480c78 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -42,6 +42,9 @@ * bitmap_empty(src, nbits) Are all bits zero in *src? * bitmap_full(src, nbits) Are all bits set in *src? * bitmap_weight(src, nbits) Hamming Weight: number set bits + * bitmap_set(dst, pos, nbits) Set specified bit area + * bitmap_clear(dst, pos, nbits) Clear specified bit area + * bitmap_find_next_zero_area(buf, len, pos, n, mask) Find bit free area * bitmap_shift_right(dst, src, n, nbits) *dst = *src >> n * bitmap_shift_left(dst, src, n, nbits) *dst = *src << n * bitmap_remap(dst, src, old, new, nbits) *dst = map(old, new)(src) @@ -108,6 +111,14 @@ extern int __bitmap_subset(const unsigned long *bitmap1, const unsigned long *bitmap2, int bits); extern int __bitmap_weight(const unsigned long *bitmap, int bits); +extern void bitmap_set(unsigned long *map, int i, int len); +extern void bitmap_clear(unsigned long *map, int start, int nr); +extern unsigned long bitmap_find_next_zero_area(unsigned long *map, + unsigned long size, + unsigned long start, + unsigned int nr, + unsigned long align_mask); + extern int bitmap_scnprintf(char *buf, unsigned int len, const unsigned long *src, int nbits); extern int __bitmap_parse(const char *buf, unsigned int buflen, int is_user, diff --git a/include/linux/can/dev.h b/include/linux/can/dev.h index 1ed2a5cc03f..3db7767d2a1 100644 --- a/include/linux/can/dev.h +++ b/include/linux/can/dev.h @@ -51,6 +51,15 @@ struct can_priv { struct sk_buff **echo_skb; }; +/* + * get_can_dlc(value) - helper macro to cast a given data length code (dlc) + * to __u8 and ensure the dlc value to be max. 8 bytes. + * + * To be used in the CAN netdriver receive path to ensure conformance with + * ISO 11898-1 Chapter 8.4.2.3 (DLC field) + */ +#define get_can_dlc(i) (min_t(__u8, (i), 8)) + struct net_device *alloc_candev(int sizeof_priv, unsigned int echo_skb_max); void free_candev(struct net_device *dev); diff --git a/include/linux/cs5535.h b/include/linux/cs5535.h new file mode 100644 index 00000000000..d5a1d4810b8 --- /dev/null +++ b/include/linux/cs5535.h @@ -0,0 +1,172 @@ +/* + * AMD CS5535/CS5536 definitions + * Copyright (C) 2006 Advanced Micro Devices, Inc. + * Copyright (C) 2009 Andres Salomon <dilinger@collabora.co.uk> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public License + * as published by the Free Software Foundation. + */ + +#ifndef _CS5535_H +#define _CS5535_H + +/* MSRs */ +#define MSR_GLIU_P2D_RO0 0x10000029 + +#define MSR_LX_GLD_MSR_CONFIG 0x48002001 +#define MSR_LX_MSR_PADSEL 0x48002011 /* NOT 0x48000011; the data + * sheet has the wrong value */ +#define MSR_GLCP_SYS_RSTPLL 0x4C000014 +#define MSR_GLCP_DOTPLL 0x4C000015 + +#define MSR_LBAR_SMB 0x5140000B +#define MSR_LBAR_GPIO 0x5140000C +#define MSR_LBAR_MFGPT 0x5140000D +#define MSR_LBAR_ACPI 0x5140000E +#define MSR_LBAR_PMS 0x5140000F + +#define MSR_DIVIL_SOFT_RESET 0x51400017 + +#define MSR_PIC_YSEL_LOW 0x51400020 +#define MSR_PIC_YSEL_HIGH 0x51400021 +#define MSR_PIC_ZSEL_LOW 0x51400022 +#define MSR_PIC_ZSEL_HIGH 0x51400023 +#define MSR_PIC_IRQM_LPC 0x51400025 + +#define MSR_MFGPT_IRQ 0x51400028 +#define MSR_MFGPT_NR 0x51400029 +#define MSR_MFGPT_SETUP 0x5140002B + +#define MSR_LX_SPARE_MSR 0x80000011 /* DC-specific */ + +#define MSR_GX_GLD_MSR_CONFIG 0xC0002001 +#define MSR_GX_MSR_PADSEL 0xC0002011 + +/* resource sizes */ +#define LBAR_GPIO_SIZE 0xFF +#define LBAR_MFGPT_SIZE 0x40 +#define LBAR_ACPI_SIZE 0x40 +#define LBAR_PMS_SIZE 0x80 + +/* VSA2 magic values */ +#define VSA_VRC_INDEX 0xAC1C +#define VSA_VRC_DATA 0xAC1E +#define VSA_VR_UNLOCK 0xFC53 /* unlock virtual register */ +#define VSA_VR_SIGNATURE 0x0003 +#define VSA_VR_MEM_SIZE 0x0200 +#define AMD_VSA_SIG 0x4132 /* signature is ascii 'VSA2' */ +#define GSW_VSA_SIG 0x534d /* General Software signature */ + +#include <linux/io.h> + +static inline int cs5535_has_vsa2(void) +{ + static int has_vsa2 = -1; + + if (has_vsa2 == -1) { + uint16_t val; + + /* + * The VSA has virtual registers that we can query for a + * signature. + */ + outw(VSA_VR_UNLOCK, VSA_VRC_INDEX); + outw(VSA_VR_SIGNATURE, VSA_VRC_INDEX); + + val = inw(VSA_VRC_DATA); + has_vsa2 = (val == AMD_VSA_SIG || val == GSW_VSA_SIG); + } + + return has_vsa2; +} + +/* GPIOs */ +#define GPIO_OUTPUT_VAL 0x00 +#define GPIO_OUTPUT_ENABLE 0x04 +#define GPIO_OUTPUT_OPEN_DRAIN 0x08 +#define GPIO_OUTPUT_INVERT 0x0C +#define GPIO_OUTPUT_AUX1 0x10 +#define GPIO_OUTPUT_AUX2 0x14 +#define GPIO_PULL_UP 0x18 +#define GPIO_PULL_DOWN 0x1C +#define GPIO_INPUT_ENABLE 0x20 +#define GPIO_INPUT_INVERT 0x24 +#define GPIO_INPUT_FILTER 0x28 +#define GPIO_INPUT_EVENT_COUNT 0x2C +#define GPIO_READ_BACK 0x30 +#define GPIO_INPUT_AUX1 0x34 +#define GPIO_EVENTS_ENABLE 0x38 +#define GPIO_LOCK_ENABLE 0x3C +#define GPIO_POSITIVE_EDGE_EN 0x40 +#define GPIO_NEGATIVE_EDGE_EN 0x44 +#define GPIO_POSITIVE_EDGE_STS 0x48 +#define GPIO_NEGATIVE_EDGE_STS 0x4C + +#define GPIO_MAP_X 0xE0 +#define GPIO_MAP_Y 0xE4 +#define GPIO_MAP_Z 0xE8 +#define GPIO_MAP_W 0xEC + +void cs5535_gpio_set(unsigned offset, unsigned int reg); +void cs5535_gpio_clear(unsigned offset, unsigned int reg); +int cs5535_gpio_isset(unsigned offset, unsigned int reg); + +/* MFGPTs */ + +#define MFGPT_MAX_TIMERS 8 +#define MFGPT_TIMER_ANY (-1) + +#define MFGPT_DOMAIN_WORKING 1 +#define MFGPT_DOMAIN_STANDBY 2 +#define MFGPT_DOMAIN_ANY (MFGPT_DOMAIN_WORKING | MFGPT_DOMAIN_STANDBY) + +#define MFGPT_CMP1 0 +#define MFGPT_CMP2 1 + +#define MFGPT_EVENT_IRQ 0 +#define MFGPT_EVENT_NMI 1 +#define MFGPT_EVENT_RESET 3 + +#define MFGPT_REG_CMP1 0 +#define MFGPT_REG_CMP2 2 +#define MFGPT_REG_COUNTER 4 +#define MFGPT_REG_SETUP 6 + +#define MFGPT_SETUP_CNTEN (1 << 15) +#define MFGPT_SETUP_CMP2 (1 << 14) +#define MFGPT_SETUP_CMP1 (1 << 13) +#define MFGPT_SETUP_SETUP (1 << 12) +#define MFGPT_SETUP_STOPEN (1 << 11) +#define MFGPT_SETUP_EXTEN (1 << 10) +#define MFGPT_SETUP_REVEN (1 << 5) +#define MFGPT_SETUP_CLKSEL (1 << 4) + +struct cs5535_mfgpt_timer; + +extern uint16_t cs5535_mfgpt_read(struct cs5535_mfgpt_timer *timer, + uint16_t reg); +extern void cs5535_mfgpt_write(struct cs5535_mfgpt_timer *timer, uint16_t reg, + uint16_t value); + +extern int cs5535_mfgpt_toggle_event(struct cs5535_mfgpt_timer *timer, int cmp, + int event, int enable); +extern int cs5535_mfgpt_set_irq(struct cs5535_mfgpt_timer *timer, int cmp, + int *irq, int enable); +extern struct cs5535_mfgpt_timer *cs5535_mfgpt_alloc_timer(int timer, + int domain); +extern void cs5535_mfgpt_free_timer(struct cs5535_mfgpt_timer *timer); + +static inline int cs5535_mfgpt_setup_irq(struct cs5535_mfgpt_timer *timer, + int cmp, int *irq) +{ + return cs5535_mfgpt_set_irq(timer, cmp, irq, 1); +} + +static inline int cs5535_mfgpt_release_irq(struct cs5535_mfgpt_timer *timer, + int cmp, int *irq) +{ + return cs5535_mfgpt_set_irq(timer, cmp, irq, 0); +} + +#endif diff --git a/include/linux/ctype.h b/include/linux/ctype.h index afa36392297..a3d6ee0044f 100644 --- a/include/linux/ctype.h +++ b/include/linux/ctype.h @@ -15,7 +15,7 @@ #define _X 0x40 /* hex digit */ #define _SP 0x80 /* hard space (0x20) */ -extern unsigned char _ctype[]; +extern const unsigned char _ctype[]; #define __ismask(x) (_ctype[(int)(unsigned char)(x)]) @@ -27,6 +27,7 @@ extern unsigned char _ctype[]; #define islower(c) ((__ismask(c)&(_L)) != 0) #define isprint(c) ((__ismask(c)&(_P|_U|_L|_D|_SP)) != 0) #define ispunct(c) ((__ismask(c)&(_P)) != 0) +/* Note: isspace() must return false for %NUL-terminator */ #define isspace(c) ((__ismask(c)&(_S)) != 0) #define isupper(c) ((__ismask(c)&(_U)) != 0) #define isxdigit(c) ((__ismask(c)&(_D|_X)) != 0) diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index df7607e6dce..d4c9c0b88ad 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -235,7 +235,7 @@ void dm_uevent_add(struct mapped_device *md, struct list_head *elist); const char *dm_device_name(struct mapped_device *md); int dm_copy_name_and_uuid(struct mapped_device *md, char *name, char *uuid); struct gendisk *dm_disk(struct mapped_device *md); -int dm_suspended(struct mapped_device *md); +int dm_suspended(struct dm_target *ti); int dm_noflush_suspending(struct dm_target *ti); union map_info *dm_get_mapinfo(struct bio *bio); union map_info *dm_get_rq_mapinfo(struct request *rq); @@ -276,7 +276,7 @@ void dm_table_unplug_all(struct dm_table *t); /* * Table reference counting. */ -struct dm_table *dm_get_table(struct mapped_device *md); +struct dm_table *dm_get_live_table(struct mapped_device *md); void dm_table_get(struct dm_table *t); void dm_table_put(struct dm_table *t); @@ -295,8 +295,10 @@ void dm_table_event(struct dm_table *t); /* * The device must be suspended before calling this method. + * Returns the previous table, which the caller must destroy. */ -int dm_swap_table(struct mapped_device *md, struct dm_table *t); +struct dm_table *dm_swap_table(struct mapped_device *md, + struct dm_table *t); /* * A wrapper around vmalloc. diff --git a/include/linux/dm-dirty-log.h b/include/linux/dm-dirty-log.h index 5e8b11d88f6..7084503c340 100644 --- a/include/linux/dm-dirty-log.h +++ b/include/linux/dm-dirty-log.h @@ -21,6 +21,7 @@ struct dm_dirty_log_type; struct dm_dirty_log { struct dm_dirty_log_type *type; + int (*flush_callback_fn)(struct dm_target *ti); void *context; }; @@ -136,8 +137,9 @@ int dm_dirty_log_type_unregister(struct dm_dirty_log_type *type); * type->constructor/destructor() directly. */ struct dm_dirty_log *dm_dirty_log_create(const char *type_name, - struct dm_target *ti, - unsigned argc, char **argv); + struct dm_target *ti, + int (*flush_callback_fn)(struct dm_target *ti), + unsigned argc, char **argv); void dm_dirty_log_destroy(struct dm_dirty_log *log); #endif /* __KERNEL__ */ diff --git a/include/linux/dm-ioctl.h b/include/linux/dm-ioctl.h index 2ab84c83c31..aa95508d2f9 100644 --- a/include/linux/dm-ioctl.h +++ b/include/linux/dm-ioctl.h @@ -1,6 +1,6 @@ /* * Copyright (C) 2001 - 2003 Sistina Software (UK) Limited. - * Copyright (C) 2004 - 2005 Red Hat, Inc. All rights reserved. + * Copyright (C) 2004 - 2009 Red Hat, Inc. All rights reserved. * * This file is released under the LGPL. */ @@ -266,9 +266,9 @@ enum { #define DM_DEV_SET_GEOMETRY _IOWR(DM_IOCTL, DM_DEV_SET_GEOMETRY_CMD, struct dm_ioctl) #define DM_VERSION_MAJOR 4 -#define DM_VERSION_MINOR 15 +#define DM_VERSION_MINOR 16 #define DM_VERSION_PATCHLEVEL 0 -#define DM_VERSION_EXTRA "-ioctl (2009-04-01)" +#define DM_VERSION_EXTRA "-ioctl (2009-11-05)" /* Status bits */ #define DM_READONLY_FLAG (1 << 0) /* In/Out */ @@ -309,4 +309,11 @@ enum { */ #define DM_NOFLUSH_FLAG (1 << 11) /* In */ +/* + * If set, any table information returned will relate to the inactive + * table instead of the live one. Always check DM_INACTIVE_PRESENT_FLAG + * is set before using the data returned. + */ +#define DM_QUERY_INACTIVE_TABLE_FLAG (1 << 12) /* In */ + #endif /* _LINUX_DM_IOCTL_H */ diff --git a/include/linux/dm-region-hash.h b/include/linux/dm-region-hash.h index a9e652a4137..9e2a7a401df 100644 --- a/include/linux/dm-region-hash.h +++ b/include/linux/dm-region-hash.h @@ -78,8 +78,7 @@ void dm_rh_dec(struct dm_region_hash *rh, region_t region); /* Delay bios on regions. */ void dm_rh_delay(struct dm_region_hash *rh, struct bio *bio); -void dm_rh_mark_nosync(struct dm_region_hash *rh, - struct bio *bio, unsigned done, int error); +void dm_rh_mark_nosync(struct dm_region_hash *rh, struct bio *bio); /* * Region recovery control. diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 2b9f2ac7ed6..78784982b33 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -74,7 +74,7 @@ enum dma_transaction_type { * control completion, and communicate status. * @DMA_PREP_INTERRUPT - trigger an interrupt (callback) upon completion of * this transaction - * @DMA_CTRL_ACK - the descriptor cannot be reused until the client + * @DMA_CTRL_ACK - if clear, the descriptor cannot be reused until the client * acknowledges receipt, i.e. has has a chance to establish any dependency * chains * @DMA_COMPL_SKIP_SRC_UNMAP - set to disable dma-unmapping the source buffer(s) diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h index a0d9422a156..f8c2e176750 100644 --- a/include/linux/dynamic_debug.h +++ b/include/linux/dynamic_debug.h @@ -57,8 +57,7 @@ extern int ddebug_remove_module(char *mod_name); { KBUILD_MODNAME, __func__, __FILE__, fmt, DEBUG_HASH, \ DEBUG_HASH2, __LINE__, _DPRINTK_FLAGS_DEFAULT }; \ if (__dynamic_dbg_enabled(descriptor)) \ - printk(KERN_DEBUG KBUILD_MODNAME ":" pr_fmt(fmt), \ - ##__VA_ARGS__); \ + printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); \ } while (0) @@ -69,9 +68,7 @@ extern int ddebug_remove_module(char *mod_name); { KBUILD_MODNAME, __func__, __FILE__, fmt, DEBUG_HASH, \ DEBUG_HASH2, __LINE__, _DPRINTK_FLAGS_DEFAULT }; \ if (__dynamic_dbg_enabled(descriptor)) \ - dev_printk(KERN_DEBUG, dev, \ - KBUILD_MODNAME ": " fmt, \ - ##__VA_ARGS__); \ + dev_printk(KERN_DEBUG, dev, fmt, ##__VA_ARGS__); \ } while (0) #else @@ -81,8 +78,10 @@ static inline int ddebug_remove_module(char *mod) return 0; } -#define dynamic_pr_debug(fmt, ...) do { } while (0) -#define dynamic_dev_dbg(dev, format, ...) do { } while (0) +#define dynamic_pr_debug(fmt, ...) \ + do { if (0) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); } while (0) +#define dynamic_dev_dbg(dev, format, ...) \ + do { if (0) dev_printk(KERN_DEBUG, dev, fmt, ##__VA_ARGS__); } while (0) #endif #endif diff --git a/include/linux/efi.h b/include/linux/efi.h index ce4581fbc08..fb737bc19a8 100644 --- a/include/linux/efi.h +++ b/include/linux/efi.h @@ -280,11 +280,7 @@ efi_guidcmp (efi_guid_t left, efi_guid_t right) static inline char * efi_guid_unparse(efi_guid_t *guid, char *out) { - sprintf(out, "%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x", - guid->b[3], guid->b[2], guid->b[1], guid->b[0], - guid->b[5], guid->b[4], guid->b[7], guid->b[6], - guid->b[8], guid->b[9], guid->b[10], guid->b[11], - guid->b[12], guid->b[13], guid->b[14], guid->b[15]); + sprintf(out, "%pUl", guid->b); return out; } diff --git a/include/linux/err.h b/include/linux/err.h index ec87f3142bf..1b12642636c 100644 --- a/include/linux/err.h +++ b/include/linux/err.h @@ -34,6 +34,11 @@ static inline long IS_ERR(const void *ptr) return IS_ERR_VALUE((unsigned long)ptr); } +static inline long IS_ERR_OR_NULL(const void *ptr) +{ + return !ptr || IS_ERR_VALUE((unsigned long)ptr); +} + /** * ERR_CAST - Explicitly cast an error-valued pointer to another pointer type * @ptr: The pointer to cast. diff --git a/include/linux/exportfs.h b/include/linux/exportfs.h index 27e772cefb6..dc12f416a49 100644 --- a/include/linux/exportfs.h +++ b/include/linux/exportfs.h @@ -97,7 +97,7 @@ struct fid { * @get_name: find the name for a given inode in a given directory * @get_parent: find the parent of a given directory * - * See Documentation/filesystems/Exporting for details on how to use + * See Documentation/filesystems/nfs/Exporting for details on how to use * this interface correctly. * * encode_fh: diff --git a/include/linux/fs.h b/include/linux/fs.h index a057f48eb15..b23a7018eb9 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -2264,9 +2264,11 @@ ssize_t __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode, int lock_type); enum { - DIO_LOCKING = 1, /* need locking between buffered and direct access */ - DIO_NO_LOCKING, /* bdev; no locking at all between buffered/direct */ - DIO_OWN_LOCKING, /* filesystem locks buffered and direct internally */ + /* need locking between buffered and direct access */ + DIO_LOCKING = 0x01, + + /* filesystem does not support filling holes */ + DIO_SKIP_HOLES = 0x02, }; static inline ssize_t blockdev_direct_IO(int rw, struct kiocb *iocb, @@ -2275,7 +2277,8 @@ static inline ssize_t blockdev_direct_IO(int rw, struct kiocb *iocb, dio_iodone_t end_io) { return __blockdev_direct_IO(rw, iocb, inode, bdev, iov, offset, - nr_segs, get_block, end_io, DIO_LOCKING); + nr_segs, get_block, end_io, + DIO_LOCKING | DIO_SKIP_HOLES); } static inline ssize_t blockdev_direct_IO_no_locking(int rw, struct kiocb *iocb, @@ -2284,16 +2287,7 @@ static inline ssize_t blockdev_direct_IO_no_locking(int rw, struct kiocb *iocb, dio_iodone_t end_io) { return __blockdev_direct_IO(rw, iocb, inode, bdev, iov, offset, - nr_segs, get_block, end_io, DIO_NO_LOCKING); -} - -static inline ssize_t blockdev_direct_IO_own_locking(int rw, struct kiocb *iocb, - struct inode *inode, struct block_device *bdev, const struct iovec *iov, - loff_t offset, unsigned long nr_segs, get_block_t get_block, - dio_iodone_t end_io) -{ - return __blockdev_direct_IO(rw, iocb, inode, bdev, iov, offset, - nr_segs, get_block, end_io, DIO_OWN_LOCKING); + nr_segs, get_block, end_io, 0); } #endif diff --git a/include/linux/gpio.h b/include/linux/gpio.h index 059bd189d35..4e949a5b5b8 100644 --- a/include/linux/gpio.h +++ b/include/linux/gpio.h @@ -99,6 +99,12 @@ static inline int gpio_export_link(struct device *dev, const char *name, return -EINVAL; } +static inline int gpio_sysfs_set_active_low(unsigned gpio, int value) +{ + /* GPIO can never have been requested */ + WARN_ON(1); + return -EINVAL; +} static inline void gpio_unexport(unsigned gpio) { diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h index af634e95871..5d86fb2309d 100644 --- a/include/linux/hrtimer.h +++ b/include/linux/hrtimer.h @@ -169,7 +169,7 @@ struct hrtimer_clock_base { * @max_hang_time: Maximum time spent in hrtimer_interrupt */ struct hrtimer_cpu_base { - spinlock_t lock; + raw_spinlock_t lock; struct hrtimer_clock_base clock_base[HRTIMER_MAX_CLOCK_BASES]; #ifdef CONFIG_HIGH_RES_TIMERS ktime_t expires_next; diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h index 41a59afc70f..78b4bc64c00 100644 --- a/include/linux/hugetlb.h +++ b/include/linux/hugetlb.h @@ -23,6 +23,12 @@ void reset_vma_resv_huge_pages(struct vm_area_struct *vma); int hugetlb_sysctl_handler(struct ctl_table *, int, void __user *, size_t *, loff_t *); int hugetlb_overcommit_handler(struct ctl_table *, int, void __user *, size_t *, loff_t *); int hugetlb_treat_movable_handler(struct ctl_table *, int, void __user *, size_t *, loff_t *); + +#ifdef CONFIG_NUMA +int hugetlb_mempolicy_sysctl_handler(struct ctl_table *, int, + void __user *, size_t *, loff_t *); +#endif + int copy_hugetlb_page_range(struct mm_struct *, struct mm_struct *, struct vm_area_struct *); int follow_hugetlb_page(struct mm_struct *, struct vm_area_struct *, struct page **, struct vm_area_struct **, diff --git a/include/linux/i2c.h b/include/linux/i2c.h index 419ab546b26..02fc617782e 100644 --- a/include/linux/i2c.h +++ b/include/linux/i2c.h @@ -110,7 +110,7 @@ extern s32 i2c_smbus_write_i2c_block_data(struct i2c_client *client, * @driver: Device driver model driver * @id_table: List of I2C devices supported by this driver * @detect: Callback for device detection - * @address_data: The I2C addresses to probe (for detect) + * @address_list: The I2C addresses to probe (for detect) * @clients: List of detected clients we created (for i2c-core use only) * * The driver.owner field should be set to the module owner of this driver. @@ -161,8 +161,8 @@ struct i2c_driver { const struct i2c_device_id *id_table; /* Device detection callback for automatic device creation */ - int (*detect)(struct i2c_client *, int kind, struct i2c_board_info *); - const struct i2c_client_address_data *address_data; + int (*detect)(struct i2c_client *, struct i2c_board_info *); + const unsigned short *address_list; struct list_head clients; }; #define to_i2c_driver(d) container_of(d, struct i2c_driver, driver) @@ -391,14 +391,6 @@ static inline void i2c_unlock_adapter(struct i2c_adapter *adapter) #define I2C_CLASS_DDC (1<<3) /* DDC bus on graphics adapters */ #define I2C_CLASS_SPD (1<<7) /* SPD EEPROMs and similar */ -/* i2c_client_address_data is the struct for holding default client - * addresses for a driver and for the parameters supplied on the - * command line - */ -struct i2c_client_address_data { - const unsigned short *normal_i2c; -}; - /* Internal numbers to terminate lists */ #define I2C_CLIENT_END 0xfffeU @@ -576,82 +568,4 @@ union i2c_smbus_data { #define I2C_SMBUS_BLOCK_PROC_CALL 7 /* SMBus 2.0 */ #define I2C_SMBUS_I2C_BLOCK_DATA 8 - -#ifdef __KERNEL__ - -/* These defines are used for probing i2c client addresses */ -/* The length of the option lists */ -#define I2C_CLIENT_MAX_OPTS 48 - -/* Default fill of many variables */ -#define I2C_CLIENT_DEFAULTS {I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \ - I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \ - I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \ - I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \ - I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \ - I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \ - I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \ - I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \ - I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \ - I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \ - I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \ - I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \ - I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \ - I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \ - I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END, \ - I2C_CLIENT_END, I2C_CLIENT_END, I2C_CLIENT_END} - -/* I2C_CLIENT_MODULE_PARM creates a module parameter, and puts it in the - module header */ - -#define I2C_CLIENT_MODULE_PARM(var,desc) \ - static unsigned short var[I2C_CLIENT_MAX_OPTS] = I2C_CLIENT_DEFAULTS; \ - static unsigned int var##_num; \ - module_param_array(var, short, &var##_num, 0); \ - MODULE_PARM_DESC(var, desc) - -#define I2C_CLIENT_INSMOD_COMMON \ -static const struct i2c_client_address_data addr_data = { \ - .normal_i2c = normal_i2c, \ -} - -/* These are the ones you want to use in your own drivers. Pick the one - which matches the number of devices the driver differenciates between. */ -#define I2C_CLIENT_INSMOD \ -I2C_CLIENT_INSMOD_COMMON - -#define I2C_CLIENT_INSMOD_1(chip1) \ -enum chips { any_chip, chip1 }; \ -I2C_CLIENT_INSMOD_COMMON - -#define I2C_CLIENT_INSMOD_2(chip1, chip2) \ -enum chips { any_chip, chip1, chip2 }; \ -I2C_CLIENT_INSMOD_COMMON - -#define I2C_CLIENT_INSMOD_3(chip1, chip2, chip3) \ -enum chips { any_chip, chip1, chip2, chip3 }; \ -I2C_CLIENT_INSMOD_COMMON - -#define I2C_CLIENT_INSMOD_4(chip1, chip2, chip3, chip4) \ -enum chips { any_chip, chip1, chip2, chip3, chip4 }; \ -I2C_CLIENT_INSMOD_COMMON - -#define I2C_CLIENT_INSMOD_5(chip1, chip2, chip3, chip4, chip5) \ -enum chips { any_chip, chip1, chip2, chip3, chip4, chip5 }; \ -I2C_CLIENT_INSMOD_COMMON - -#define I2C_CLIENT_INSMOD_6(chip1, chip2, chip3, chip4, chip5, chip6) \ -enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6 }; \ -I2C_CLIENT_INSMOD_COMMON - -#define I2C_CLIENT_INSMOD_7(chip1, chip2, chip3, chip4, chip5, chip6, chip7) \ -enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \ - chip7 }; \ -I2C_CLIENT_INSMOD_COMMON - -#define I2C_CLIENT_INSMOD_8(chip1, chip2, chip3, chip4, chip5, chip6, chip7, chip8) \ -enum chips { any_chip, chip1, chip2, chip3, chip4, chip5, chip6, \ - chip7, chip8 }; \ -I2C_CLIENT_INSMOD_COMMON -#endif /* __KERNEL__ */ #endif /* _LINUX_I2C_H */ diff --git a/include/linux/i8042.h b/include/linux/i8042.h index 60c3360ef6a..9bf6870ee5f 100644 --- a/include/linux/i8042.h +++ b/include/linux/i8042.h @@ -39,6 +39,10 @@ void i8042_lock_chip(void); void i8042_unlock_chip(void); int i8042_command(unsigned char *param, int command); bool i8042_check_port_owner(const struct serio *); +int i8042_install_filter(bool (*filter)(unsigned char data, unsigned char str, + struct serio *serio)); +int i8042_remove_filter(bool (*filter)(unsigned char data, unsigned char str, + struct serio *serio)); #else @@ -52,7 +56,7 @@ void i8042_unlock_chip(void) int i8042_command(unsigned char *param, int command) { - return -ENOSYS; + return -ENODEV; } bool i8042_check_port_owner(const struct serio *serio) @@ -60,6 +64,18 @@ bool i8042_check_port_owner(const struct serio *serio) return false; } +int i8042_install_filter(bool (*filter)(unsigned char data, unsigned char str, + struct serio *serio)) +{ + return -ENODEV; +} + +int i8042_remove_filter(bool (*filter)(unsigned char data, unsigned char str, + struct serio *serio)) +{ + return -ENODEV; +} + #endif #endif diff --git a/include/linux/init_task.h b/include/linux/init_task.h index 8d10aa7fd4c..5ed8b9c5035 100644 --- a/include/linux/init_task.h +++ b/include/linux/init_task.h @@ -111,6 +111,12 @@ extern struct cred init_cred; # define INIT_PERF_EVENTS(tsk) #endif +#ifdef CONFIG_FS_JOURNAL_INFO +#define INIT_JOURNAL_INFO .journal_info = NULL, +#else +#define INIT_JOURNAL_INFO +#endif + /* * INIT_TASK is used to set up the first task table, touch at * your own risk!. Base=0, limit=0x1fffff (=2MB) @@ -162,10 +168,9 @@ extern struct cred init_cred; .signal = {{0}}}, \ .blocked = {{0}}, \ .alloc_lock = __SPIN_LOCK_UNLOCKED(tsk.alloc_lock), \ - .journal_info = NULL, \ .cpu_timers = INIT_CPU_TIMERS(tsk.cpu_timers), \ .fs_excl = ATOMIC_INIT(0), \ - .pi_lock = __SPIN_LOCK_UNLOCKED(tsk.pi_lock), \ + .pi_lock = __RAW_SPIN_LOCK_UNLOCKED(tsk.pi_lock), \ .timer_slack_ns = 50000, /* 50 usec default slack */ \ .pids = { \ [PIDTYPE_PID] = INIT_PID_LINK(PIDTYPE_PID), \ @@ -173,6 +178,7 @@ extern struct cred init_cred; [PIDTYPE_SID] = INIT_PID_LINK(PIDTYPE_SID), \ }, \ .dirties = INIT_PROP_LOCAL_SINGLE(dirties), \ + INIT_JOURNAL_INFO \ INIT_IDS \ INIT_PERF_EVENTS(tsk) \ INIT_TRACE_IRQFLAGS \ diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h index 4f0a72a9740..9310c699a37 100644 --- a/include/linux/intel-iommu.h +++ b/include/linux/intel-iommu.h @@ -332,6 +332,7 @@ struct intel_iommu { #ifdef CONFIG_INTR_REMAP struct ir_table *ir_table; /* Interrupt remapping info */ #endif + int node; }; static inline void __iommu_flush_cache( diff --git a/include/linux/iommu-helper.h b/include/linux/iommu-helper.h index 3b068e5b567..64d1b638745 100644 --- a/include/linux/iommu-helper.h +++ b/include/linux/iommu-helper.h @@ -14,14 +14,11 @@ static inline unsigned long iommu_device_max_index(unsigned long size, extern int iommu_is_span_boundary(unsigned int index, unsigned int nr, unsigned long shift, unsigned long boundary_size); -extern void iommu_area_reserve(unsigned long *map, unsigned long i, int len); extern unsigned long iommu_area_alloc(unsigned long *map, unsigned long size, unsigned long start, unsigned int nr, unsigned long shift, unsigned long boundary_size, unsigned long align_mask); -extern void iommu_area_free(unsigned long *map, unsigned long start, - unsigned int nr); extern unsigned long iommu_num_pages(unsigned long addr, unsigned long len, unsigned long io_page_size); diff --git a/include/linux/ioport.h b/include/linux/ioport.h index 83aa81297ea..7129504e053 100644 --- a/include/linux/ioport.h +++ b/include/linux/ioport.h @@ -126,11 +126,11 @@ extern int allocate_resource(struct resource *root, struct resource *new, int adjust_resource(struct resource *res, resource_size_t start, resource_size_t size); resource_size_t resource_alignment(struct resource *res); -static inline resource_size_t resource_size(struct resource *res) +static inline resource_size_t resource_size(const struct resource *res) { return res->end - res->start + 1; } -static inline unsigned long resource_type(struct resource *res) +static inline unsigned long resource_type(const struct resource *res) { return res->flags & IORESOURCE_TYPE_BITS; } diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h index e408722a84c..07baa38bce3 100644 --- a/include/linux/ipc_namespace.h +++ b/include/linux/ipc_namespace.h @@ -87,7 +87,7 @@ extern int mq_init_ns(struct ipc_namespace *ns); /* default values */ #define DFLT_QUEUESMAX 256 /* max number of message queues */ #define DFLT_MSGMAX 10 /* max number of messages in each queue */ -#define HARD_MSGMAX (131072/sizeof(void *)) +#define HARD_MSGMAX (32768*sizeof(void *)/4) #define DFLT_MSGSIZEMAX 8192 /* max message size */ #else static inline int mq_init_ns(struct ipc_namespace *ns) { return 0; } diff --git a/include/linux/irq.h b/include/linux/irq.h index a287cfc0b1a..451481c082b 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -192,7 +192,7 @@ struct irq_desc { unsigned int irq_count; /* For detecting broken IRQs */ unsigned long last_unhandled; /* Aging timer for unhandled count */ unsigned int irqs_unhandled; - spinlock_t lock; + raw_spinlock_t lock; #ifdef CONFIG_SMP cpumask_var_t affinity; unsigned int node; diff --git a/include/linux/kallsyms.h b/include/linux/kallsyms.h index 792274269f2..d8e9b3d1c23 100644 --- a/include/linux/kallsyms.h +++ b/include/linux/kallsyms.h @@ -107,18 +107,6 @@ static inline void print_symbol(const char *fmt, unsigned long addr) __builtin_extract_return_addr((void *)addr)); } -/* - * Pretty-print a function pointer. This function is deprecated. - * Please use the "%pF" vsprintf format instead. - */ -static inline void __deprecated print_fn_descriptor_symbol(const char *fmt, void *addr) -{ -#if defined(CONFIG_IA64) || defined(CONFIG_PPC64) - addr = *(void **)addr; -#endif - print_symbol(fmt, (unsigned long)addr); -} - static inline void print_ip_sym(unsigned long ip) { printk("[<%p>] %pS\n", (void *) ip, (void *) ip); diff --git a/include/linux/kernel.h b/include/linux/kernel.h index 3fa4c590cf1..4d9c916d06d 100644 --- a/include/linux/kernel.h +++ b/include/linux/kernel.h @@ -251,10 +251,10 @@ extern int printk_delay_msec; * Print a one-time message (analogous to WARN_ONCE() et al): */ #define printk_once(x...) ({ \ - static bool __print_once = true; \ + static bool __print_once; \ \ - if (__print_once) { \ - __print_once = false; \ + if (!__print_once) { \ + __print_once = true; \ printk(x); \ } \ }) @@ -397,15 +397,58 @@ static inline char *pack_hex_byte(char *buf, u8 byte) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) #elif defined(CONFIG_DYNAMIC_DEBUG) /* dynamic_pr_debug() uses pr_fmt() internally so we don't need it here */ -#define pr_debug(fmt, ...) do { \ - dynamic_pr_debug(fmt, ##__VA_ARGS__); \ - } while (0) +#define pr_debug(fmt, ...) \ + dynamic_pr_debug(fmt, ##__VA_ARGS__) #else #define pr_debug(fmt, ...) \ ({ if (0) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); 0; }) #endif /* + * ratelimited messages with local ratelimit_state, + * no local ratelimit_state used in the !PRINTK case + */ +#ifdef CONFIG_PRINTK +#define printk_ratelimited(fmt, ...) ({ \ + static struct ratelimit_state _rs = { \ + .interval = DEFAULT_RATELIMIT_INTERVAL, \ + .burst = DEFAULT_RATELIMIT_BURST, \ + }; \ + \ + if (!__ratelimit(&_rs)) \ + printk(fmt, ##__VA_ARGS__); \ +}) +#else +/* No effect, but we still get type checking even in the !PRINTK case: */ +#define printk_ratelimited printk +#endif + +#define pr_emerg_ratelimited(fmt, ...) \ + printk_ratelimited(KERN_EMERG pr_fmt(fmt), ##__VA_ARGS__) +#define pr_alert_ratelimited(fmt, ...) \ + printk_ratelimited(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) +#define pr_crit_ratelimited(fmt, ...) \ + printk_ratelimited(KERN_CRIT pr_fmt(fmt), ##__VA_ARGS__) +#define pr_err_ratelimited(fmt, ...) \ + printk_ratelimited(KERN_ERR pr_fmt(fmt), ##__VA_ARGS__) +#define pr_warning_ratelimited(fmt, ...) \ + printk_ratelimited(KERN_WARNING pr_fmt(fmt), ##__VA_ARGS__) +#define pr_notice_ratelimited(fmt, ...) \ + printk_ratelimited(KERN_NOTICE pr_fmt(fmt), ##__VA_ARGS__) +#define pr_info_ratelimited(fmt, ...) \ + printk_ratelimited(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) +/* no pr_cont_ratelimited, don't do that... */ +/* If you are writing a driver, please use dev_dbg instead */ +#if defined(DEBUG) +#define pr_debug_ratelimited(fmt, ...) \ + printk_ratelimited(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__) +#else +#define pr_debug_ratelimited(fmt, ...) \ + ({ if (0) printk_ratelimited(KERN_DEBUG pr_fmt(fmt), \ + ##__VA_ARGS__); 0; }) +#endif + +/* * General tracing related utility functions - trace_printk(), * tracing_on/tracing_off and tracing_start()/tracing_stop * diff --git a/include/linux/kexec.h b/include/linux/kexec.h index adc34f2c6ef..c356b6914ff 100644 --- a/include/linux/kexec.h +++ b/include/linux/kexec.h @@ -206,6 +206,8 @@ extern size_t vmcoreinfo_max_size; int __init parse_crashkernel(char *cmdline, unsigned long long system_ram, unsigned long long *crash_size, unsigned long long *crash_base); +int crash_shrink_memory(unsigned long new_size); +size_t crash_get_memory_size(void); #else /* !CONFIG_KEXEC */ struct pt_regs; diff --git a/include/linux/kmsg_dump.h b/include/linux/kmsg_dump.h new file mode 100644 index 00000000000..e32aa268efa --- /dev/null +++ b/include/linux/kmsg_dump.h @@ -0,0 +1,60 @@ +/* + * linux/include/kmsg_dump.h + * + * Copyright (C) 2009 Net Insight AB + * + * Author: Simon Kagstrom <simon.kagstrom@netinsight.net> + * + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file COPYING in the main directory of this archive + * for more details. + */ +#ifndef _LINUX_KMSG_DUMP_H +#define _LINUX_KMSG_DUMP_H + +#include <linux/list.h> + +enum kmsg_dump_reason { + KMSG_DUMP_OOPS, + KMSG_DUMP_PANIC, +}; + +/** + * struct kmsg_dumper - kernel crash message dumper structure + * @dump: The callback which gets called on crashes. The buffer is passed + * as two sections, where s1 (length l1) contains the older + * messages and s2 (length l2) contains the newer. + * @list: Entry in the dumper list (private) + * @registered: Flag that specifies if this is already registered + */ +struct kmsg_dumper { + void (*dump)(struct kmsg_dumper *dumper, enum kmsg_dump_reason reason, + const char *s1, unsigned long l1, + const char *s2, unsigned long l2); + struct list_head list; + int registered; +}; + +#ifdef CONFIG_PRINTK +void kmsg_dump(enum kmsg_dump_reason reason); + +int kmsg_dump_register(struct kmsg_dumper *dumper); + +int kmsg_dump_unregister(struct kmsg_dumper *dumper); +#else +static inline void kmsg_dump(enum kmsg_dump_reason reason) +{ +} + +static inline int kmsg_dump_register(struct kmsg_dumper *dumper) +{ + return -EINVAL; +} + +static inline int kmsg_dump_unregister(struct kmsg_dumper *dumper) +{ + return -EINVAL; +} +#endif + +#endif /* _LINUX_KMSG_DUMP_H */ diff --git a/include/linux/ksm.h b/include/linux/ksm.h index a485c14ecd5..43bdab769fc 100644 --- a/include/linux/ksm.h +++ b/include/linux/ksm.h @@ -9,8 +9,12 @@ #include <linux/bitops.h> #include <linux/mm.h> +#include <linux/pagemap.h> +#include <linux/rmap.h> #include <linux/sched.h> -#include <linux/vmstat.h> + +struct stable_node; +struct mem_cgroup; #ifdef CONFIG_KSM int ksm_madvise(struct vm_area_struct *vma, unsigned long start, @@ -34,46 +38,110 @@ static inline void ksm_exit(struct mm_struct *mm) /* * A KSM page is one of those write-protected "shared pages" or "merged pages" * which KSM maps into multiple mms, wherever identical anonymous page content - * is found in VM_MERGEABLE vmas. It's a PageAnon page, with NULL anon_vma. + * is found in VM_MERGEABLE vmas. It's a PageAnon page, pointing not to any + * anon_vma, but to that page's node of the stable tree. */ static inline int PageKsm(struct page *page) { - return ((unsigned long)page->mapping == PAGE_MAPPING_ANON); + return ((unsigned long)page->mapping & PAGE_MAPPING_FLAGS) == + (PAGE_MAPPING_ANON | PAGE_MAPPING_KSM); +} + +static inline struct stable_node *page_stable_node(struct page *page) +{ + return PageKsm(page) ? page_rmapping(page) : NULL; +} + +static inline void set_page_stable_node(struct page *page, + struct stable_node *stable_node) +{ + page->mapping = (void *)stable_node + + (PAGE_MAPPING_ANON | PAGE_MAPPING_KSM); } /* - * But we have to avoid the checking which page_add_anon_rmap() performs. + * When do_swap_page() first faults in from swap what used to be a KSM page, + * no problem, it will be assigned to this vma's anon_vma; but thereafter, + * it might be faulted into a different anon_vma (or perhaps to a different + * offset in the same anon_vma). do_swap_page() cannot do all the locking + * needed to reconstitute a cross-anon_vma KSM page: for now it has to make + * a copy, and leave remerging the pages to a later pass of ksmd. + * + * We'd like to make this conditional on vma->vm_flags & VM_MERGEABLE, + * but what if the vma was unmerged while the page was swapped out? */ -static inline void page_add_ksm_rmap(struct page *page) +struct page *ksm_does_need_to_copy(struct page *page, + struct vm_area_struct *vma, unsigned long address); +static inline struct page *ksm_might_need_to_copy(struct page *page, + struct vm_area_struct *vma, unsigned long address) { - if (atomic_inc_and_test(&page->_mapcount)) { - page->mapping = (void *) PAGE_MAPPING_ANON; - __inc_zone_page_state(page, NR_ANON_PAGES); - } + struct anon_vma *anon_vma = page_anon_vma(page); + + if (!anon_vma || + (anon_vma == vma->anon_vma && + page->index == linear_page_index(vma, address))) + return page; + + return ksm_does_need_to_copy(page, vma, address); } + +int page_referenced_ksm(struct page *page, + struct mem_cgroup *memcg, unsigned long *vm_flags); +int try_to_unmap_ksm(struct page *page, enum ttu_flags flags); +int rmap_walk_ksm(struct page *page, int (*rmap_one)(struct page *, + struct vm_area_struct *, unsigned long, void *), void *arg); +void ksm_migrate_page(struct page *newpage, struct page *oldpage); + #else /* !CONFIG_KSM */ +static inline int ksm_fork(struct mm_struct *mm, struct mm_struct *oldmm) +{ + return 0; +} + +static inline void ksm_exit(struct mm_struct *mm) +{ +} + +static inline int PageKsm(struct page *page) +{ + return 0; +} + +#ifdef CONFIG_MMU static inline int ksm_madvise(struct vm_area_struct *vma, unsigned long start, unsigned long end, int advice, unsigned long *vm_flags) { return 0; } -static inline int ksm_fork(struct mm_struct *mm, struct mm_struct *oldmm) +static inline struct page *ksm_might_need_to_copy(struct page *page, + struct vm_area_struct *vma, unsigned long address) +{ + return page; +} + +static inline int page_referenced_ksm(struct page *page, + struct mem_cgroup *memcg, unsigned long *vm_flags) { return 0; } -static inline void ksm_exit(struct mm_struct *mm) +static inline int try_to_unmap_ksm(struct page *page, enum ttu_flags flags) { + return 0; } -static inline int PageKsm(struct page *page) +static inline int rmap_walk_ksm(struct page *page, int (*rmap_one)(struct page*, + struct vm_area_struct *, unsigned long, void *), void *arg) { return 0; } -/* No stub required for page_add_ksm_rmap(page) */ +static inline void ksm_migrate_page(struct page *newpage, struct page *oldpage) +{ +} +#endif /* CONFIG_MMU */ #endif /* !CONFIG_KSM */ -#endif +#endif /* __LINUX_KSM_H */ diff --git a/include/linux/lis3lv02d.h b/include/linux/lis3lv02d.h index 3cc2f2c53e4..f1ca0dcc162 100644 --- a/include/linux/lis3lv02d.h +++ b/include/linux/lis3lv02d.h @@ -43,6 +43,21 @@ struct lis3lv02d_platform_data { #define LIS3_WAKEUP_Z_HI (1 << 5) unsigned char wakeup_flags; unsigned char wakeup_thresh; +#define LIS3_NO_MAP 0 +#define LIS3_DEV_X 1 +#define LIS3_DEV_Y 2 +#define LIS3_DEV_Z 3 +#define LIS3_INV_DEV_X -1 +#define LIS3_INV_DEV_Y -2 +#define LIS3_INV_DEV_Z -3 + s8 axis_x; + s8 axis_y; + s8 axis_z; + int (*setup_resources)(void); + int (*release_resources)(void); + /* Limits for selftest are specified in chip data sheet */ + s16 st_min_limits[3]; /* min pass limit x, y, z */ + s16 st_max_limits[3]; /* max pass limit x, y, z */ }; #endif /* __LIS3LV02D_H_ */ diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index bf9213b2db8..0b46c2068b9 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -54,6 +54,11 @@ extern void mem_cgroup_rotate_lru_list(struct page *page, enum lru_list lru); extern void mem_cgroup_del_lru(struct page *page); extern void mem_cgroup_move_lists(struct page *page, enum lru_list from, enum lru_list to); + +/* For coalescing uncharge for reducing memcg' overhead*/ +extern void mem_cgroup_uncharge_start(void); +extern void mem_cgroup_uncharge_end(void); + extern void mem_cgroup_uncharge_page(struct page *page); extern void mem_cgroup_uncharge_cache_page(struct page *page); extern int mem_cgroup_shmem_charge_fallback(struct page *page, @@ -117,7 +122,7 @@ static inline bool mem_cgroup_disabled(void) } extern bool mem_cgroup_oom_called(struct task_struct *task); -void mem_cgroup_update_mapped_file_stat(struct page *page, int val); +void mem_cgroup_update_file_mapped(struct page *page, int val); unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order, gfp_t gfp_mask, int nid, int zid); @@ -151,6 +156,14 @@ static inline void mem_cgroup_cancel_charge_swapin(struct mem_cgroup *ptr) { } +static inline void mem_cgroup_uncharge_start(void) +{ +} + +static inline void mem_cgroup_uncharge_end(void) +{ +} + static inline void mem_cgroup_uncharge_page(struct page *page) { } @@ -274,7 +287,7 @@ mem_cgroup_print_oom_info(struct mem_cgroup *memcg, struct task_struct *p) { } -static inline void mem_cgroup_update_mapped_file_stat(struct page *page, +static inline void mem_cgroup_update_file_mapped(struct page *page, int val) { } diff --git a/include/linux/memory_hotplug.h b/include/linux/memory_hotplug.h index fed969281a4..35b07b773e6 100644 --- a/include/linux/memory_hotplug.h +++ b/include/linux/memory_hotplug.h @@ -69,7 +69,6 @@ extern void online_page(struct page *page); /* VM interface that may be used by firmware interface */ extern int online_pages(unsigned long, unsigned long); extern void __offline_isolated_pages(unsigned long, unsigned long); -extern int offline_pages(unsigned long, unsigned long, unsigned long); /* reasonably generic interface to expand the physical pages in a zone */ extern int __add_pages(int nid, struct zone *zone, unsigned long start_pfn, diff --git a/include/linux/mempolicy.h b/include/linux/mempolicy.h index 085c903fe0f..1cc966cd3e5 100644 --- a/include/linux/mempolicy.h +++ b/include/linux/mempolicy.h @@ -201,6 +201,7 @@ extern void mpol_fix_fork_child_flag(struct task_struct *p); extern struct zonelist *huge_zonelist(struct vm_area_struct *vma, unsigned long addr, gfp_t gfp_flags, struct mempolicy **mpol, nodemask_t **nodemask); +extern bool init_nodemask_of_mempolicy(nodemask_t *mask); extern unsigned slab_node(struct mempolicy *policy); extern enum zone_type policy_zone; @@ -328,6 +329,8 @@ static inline struct zonelist *huge_zonelist(struct vm_area_struct *vma, return node_zonelist(0, gfp_flags); } +static inline bool init_nodemask_of_mempolicy(nodemask_t *m) { return false; } + static inline int do_migrate_pages(struct mm_struct *mm, const nodemask_t *from_nodes, const nodemask_t *to_nodes, int flags) diff --git a/include/linux/mfd/pcf50633/core.h b/include/linux/mfd/pcf50633/core.h index d9034cc87f1..3398bd9aab1 100644 --- a/include/linux/mfd/pcf50633/core.h +++ b/include/linux/mfd/pcf50633/core.h @@ -29,7 +29,12 @@ struct pcf50633_platform_data { char **batteries; int num_batteries; - int charging_restart_interval; + /* + * Should be set accordingly to the reference resistor used, see + * I_{ch(ref)} charger reference current in the pcf50633 User + * Manual. + */ + int charger_reference_current_ma; /* Callbacks */ void (*probe_done)(struct pcf50633 *); diff --git a/include/linux/mfd/pcf50633/mbc.h b/include/linux/mfd/pcf50633/mbc.h index 4119579acf2..df4f5fa88de 100644 --- a/include/linux/mfd/pcf50633/mbc.h +++ b/include/linux/mfd/pcf50633/mbc.h @@ -128,6 +128,7 @@ enum pcf50633_reg_mbcs3 { int pcf50633_mbc_usb_curlim_set(struct pcf50633 *pcf, int ma); int pcf50633_mbc_get_status(struct pcf50633 *); +int pcf50633_mbc_get_usb_online_status(struct pcf50633 *); #endif diff --git a/include/linux/migrate.h b/include/linux/migrate.h index 527602cdea1..7f085c97c79 100644 --- a/include/linux/migrate.h +++ b/include/linux/migrate.h @@ -12,7 +12,8 @@ typedef struct page *new_page_t(struct page *, unsigned long private, int **); extern int putback_lru_pages(struct list_head *l); extern int migrate_page(struct address_space *, struct page *, struct page *); -extern int migrate_pages(struct list_head *l, new_page_t x, unsigned long); +extern int migrate_pages(struct list_head *l, new_page_t x, + unsigned long private, int offlining); extern int fail_migrate_page(struct address_space *, struct page *, struct page *); @@ -26,10 +27,7 @@ extern int migrate_vmas(struct mm_struct *mm, static inline int putback_lru_pages(struct list_head *l) { return 0; } static inline int migrate_pages(struct list_head *l, new_page_t x, - unsigned long private) { return -ENOSYS; } - -static inline int migrate_pages_to(struct list_head *pagelist, - struct vm_area_struct *vma, int dest) { return 0; } + unsigned long private, int offlining) { return -ENOSYS; } static inline int migrate_prep(void) { return -ENOSYS; } diff --git a/include/linux/mlx4/device.h b/include/linux/mlx4/device.h index ce7cc6c7bcb..e92d1bfdb33 100644 --- a/include/linux/mlx4/device.h +++ b/include/linux/mlx4/device.h @@ -61,6 +61,7 @@ enum { MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR = 1 << 8, MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR = 1 << 9, MLX4_DEV_CAP_FLAG_DPDP = 1 << 12, + MLX4_DEV_CAP_FLAG_BLH = 1 << 15, MLX4_DEV_CAP_FLAG_MEM_WINDOW = 1 << 16, MLX4_DEV_CAP_FLAG_APM = 1 << 17, MLX4_DEV_CAP_FLAG_ATOMIC = 1 << 18, diff --git a/include/linux/mm.h b/include/linux/mm.h index 24c395694f4..9d65ae4ba0e 100644 --- a/include/linux/mm.h +++ b/include/linux/mm.h @@ -620,13 +620,22 @@ void page_address_init(void); /* * On an anonymous page mapped into a user virtual memory area, * page->mapping points to its anon_vma, not to a struct address_space; - * with the PAGE_MAPPING_ANON bit set to distinguish it. + * with the PAGE_MAPPING_ANON bit set to distinguish it. See rmap.h. + * + * On an anonymous page in a VM_MERGEABLE area, if CONFIG_KSM is enabled, + * the PAGE_MAPPING_KSM bit may be set along with the PAGE_MAPPING_ANON bit; + * and then page->mapping points, not to an anon_vma, but to a private + * structure which KSM associates with that merged page. See ksm.h. + * + * PAGE_MAPPING_KSM without PAGE_MAPPING_ANON is currently never used. * * Please note that, confusingly, "page_mapping" refers to the inode * address_space which maps the page from disk; whereas "page_mapped" * refers to user virtual address space into which the page is mapped. */ #define PAGE_MAPPING_ANON 1 +#define PAGE_MAPPING_KSM 2 +#define PAGE_MAPPING_FLAGS (PAGE_MAPPING_ANON | PAGE_MAPPING_KSM) extern struct address_space swapper_space; static inline struct address_space *page_mapping(struct page *page) @@ -634,16 +643,19 @@ static inline struct address_space *page_mapping(struct page *page) struct address_space *mapping = page->mapping; VM_BUG_ON(PageSlab(page)); -#ifdef CONFIG_SWAP if (unlikely(PageSwapCache(page))) mapping = &swapper_space; - else -#endif - if (unlikely((unsigned long)mapping & PAGE_MAPPING_ANON)) + else if (unlikely((unsigned long)mapping & PAGE_MAPPING_ANON)) mapping = NULL; return mapping; } +/* Neutral page->mapping pointer to address_space or anon_vma or other */ +static inline void *page_rmapping(struct page *page) +{ + return (void *)((unsigned long)page->mapping & ~PAGE_MAPPING_FLAGS); +} + static inline int PageAnon(struct page *page) { return ((unsigned long)page->mapping & PAGE_MAPPING_ANON) != 0; @@ -758,6 +770,7 @@ unsigned long unmap_vmas(struct mmu_gather **tlb, * @pmd_entry: if set, called for each non-empty PMD (3rd-level) entry * @pte_entry: if set, called for each non-empty PTE (4th-level) entry * @pte_hole: if set, called for each hole at all levels + * @hugetlb_entry: if set, called for each hugetlb entry * * (see walk_page_range for more details) */ @@ -767,6 +780,8 @@ struct mm_walk { int (*pmd_entry)(pmd_t *, unsigned long, unsigned long, struct mm_walk *); int (*pte_entry)(pte_t *, unsigned long, unsigned long, struct mm_walk *); int (*pte_hole)(unsigned long, unsigned long, struct mm_walk *); + int (*hugetlb_entry)(pte_t *, unsigned long, unsigned long, + struct mm_walk *); struct mm_struct *mm; void *private; }; diff --git a/include/linux/mtd/bbm.h b/include/linux/mtd/bbm.h index fff8c53e543..9c3757c5759 100644 --- a/include/linux/mtd/bbm.h +++ b/include/linux/mtd/bbm.h @@ -19,22 +19,21 @@ /** * struct nand_bbt_descr - bad block table descriptor - * @options: options for this descriptor - * @pages: the page(s) where we find the bbt, used with - * option BBT_ABSPAGE when bbt is searched, - * then we store the found bbts pages here. - * Its an array and supports up to 8 chips now - * @offs: offset of the pattern in the oob area of the page - * @veroffs: offset of the bbt version counter in the oob area of the page - * @version: version read from the bbt page during scan - * @len: length of the pattern, if 0 no pattern check is performed - * @maxblocks: maximum number of blocks to search for a bbt. This - * number of blocks is reserved at the end of the device - * where the tables are written. - * @reserved_block_code: if non-0, this pattern denotes a reserved - * (rather than bad) block in the stored bbt - * @pattern: pattern to identify bad block table or factory marked - * good / bad blocks, can be NULL, if len = 0 + * @options: options for this descriptor + * @pages: the page(s) where we find the bbt, used with option BBT_ABSPAGE + * when bbt is searched, then we store the found bbts pages here. + * Its an array and supports up to 8 chips now + * @offs: offset of the pattern in the oob area of the page + * @veroffs: offset of the bbt version counter in the oob are of the page + * @version: version read from the bbt page during scan + * @len: length of the pattern, if 0 no pattern check is performed + * @maxblocks: maximum number of blocks to search for a bbt. This number of + * blocks is reserved at the end of the device where the tables are + * written. + * @reserved_block_code: if non-0, this pattern denotes a reserved (rather than + * bad) block in the stored bbt + * @pattern: pattern to identify bad block table or factory marked good / + * bad blocks, can be NULL, if len = 0 * * Descriptor for the bad block table marker and the descriptor for the * pattern which identifies good and bad blocks. The assumption is made @@ -90,7 +89,9 @@ struct nand_bbt_descr { /* * Constants for oob configuration */ -#define ONENAND_BADBLOCK_POS 0 +#define NAND_SMALL_BADBLOCK_POS 5 +#define NAND_LARGE_BADBLOCK_POS 0 +#define ONENAND_BADBLOCK_POS 0 /* * Bad block scanning errors diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h index 88d3d8fbf9f..df89f427523 100644 --- a/include/linux/mtd/cfi.h +++ b/include/linux/mtd/cfi.h @@ -518,10 +518,11 @@ struct cfi_fixup { #define CFI_MFR_ANY 0xffff #define CFI_ID_ANY 0xffff -#define CFI_MFR_AMD 0x0001 -#define CFI_MFR_ATMEL 0x001F -#define CFI_MFR_SAMSUNG 0x00EC -#define CFI_MFR_ST 0x0020 /* STMicroelectronics */ +#define CFI_MFR_AMD 0x0001 +#define CFI_MFR_INTEL 0x0089 +#define CFI_MFR_ATMEL 0x001F +#define CFI_MFR_SAMSUNG 0x00EC +#define CFI_MFR_ST 0x0020 /* STMicroelectronics */ void cfi_fixup(struct mtd_info *mtd, struct cfi_fixup* fixups); diff --git a/include/linux/mtd/flashchip.h b/include/linux/mtd/flashchip.h index d4f38c5fd44..d0bf422ae37 100644 --- a/include/linux/mtd/flashchip.h +++ b/include/linux/mtd/flashchip.h @@ -38,6 +38,15 @@ typedef enum { FL_XIP_WHILE_ERASING, FL_XIP_WHILE_WRITING, FL_SHUTDOWN, + /* These 2 come from nand_state_t, which has been unified here */ + FL_READING, + FL_CACHEDPRG, + /* These 4 come from onenand_state_t, which has been unified here */ + FL_RESETING, + FL_OTPING, + FL_PREPARING_ERASE, + FL_VERIFYING_ERASE, + FL_UNKNOWN } flstate_t; diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h index 7a232a9bdd6..ccab9dfc521 100644 --- a/include/linux/mtd/nand.h +++ b/include/linux/mtd/nand.h @@ -21,6 +21,8 @@ #include <linux/wait.h> #include <linux/spinlock.h> #include <linux/mtd/mtd.h> +#include <linux/mtd/flashchip.h> +#include <linux/mtd/bbm.h> struct mtd_info; /* Scan and identify a NAND device */ @@ -168,7 +170,6 @@ typedef enum { /* Chip does not allow subpage writes */ #define NAND_NO_SUBPAGE_WRITE 0x00000200 - /* Options valid for Samsung large page devices */ #define NAND_SAMSUNG_LP_OPTIONS \ (NAND_NO_PADDING | NAND_CACHEPRG | NAND_COPYBACK) @@ -194,6 +195,9 @@ typedef enum { /* This option is defined if the board driver allocates its own buffers (e.g. because it needs them DMA-coherent */ #define NAND_OWN_BUFFERS 0x00040000 +/* Chip may not exist, so silence any errors in scan */ +#define NAND_SCAN_SILENT_NODEV 0x00080000 + /* Options set by nand scan */ /* Nand scan has allocated controller struct */ #define NAND_CONTROLLER_ALLOC 0x80000000 @@ -202,20 +206,6 @@ typedef enum { #define NAND_CI_CHIPNR_MSK 0x03 #define NAND_CI_CELLTYPE_MSK 0x0C -/* - * nand_state_t - chip states - * Enumeration for NAND flash chip state - */ -typedef enum { - FL_READY, - FL_READING, - FL_WRITING, - FL_ERASING, - FL_SYNCING, - FL_CACHEDPRG, - FL_PM_SUSPENDED, -} nand_state_t; - /* Keep gcc happy */ struct nand_chip; @@ -402,7 +392,7 @@ struct nand_chip { uint8_t cellinfo; int badblockpos; - nand_state_t state; + flstate_t state; uint8_t *oob_poi; struct nand_hw_control *controller; @@ -470,75 +460,6 @@ struct nand_manufacturers { extern struct nand_flash_dev nand_flash_ids[]; extern struct nand_manufacturers nand_manuf_ids[]; -/** - * struct nand_bbt_descr - bad block table descriptor - * @options: options for this descriptor - * @pages: the page(s) where we find the bbt, used with option BBT_ABSPAGE - * when bbt is searched, then we store the found bbts pages here. - * Its an array and supports up to 8 chips now - * @offs: offset of the pattern in the oob area of the page - * @veroffs: offset of the bbt version counter in the oob are of the page - * @version: version read from the bbt page during scan - * @len: length of the pattern, if 0 no pattern check is performed - * @maxblocks: maximum number of blocks to search for a bbt. This number of - * blocks is reserved at the end of the device where the tables are - * written. - * @reserved_block_code: if non-0, this pattern denotes a reserved (rather than - * bad) block in the stored bbt - * @pattern: pattern to identify bad block table or factory marked good / - * bad blocks, can be NULL, if len = 0 - * - * Descriptor for the bad block table marker and the descriptor for the - * pattern which identifies good and bad blocks. The assumption is made - * that the pattern and the version count are always located in the oob area - * of the first block. - */ -struct nand_bbt_descr { - int options; - int pages[NAND_MAX_CHIPS]; - int offs; - int veroffs; - uint8_t version[NAND_MAX_CHIPS]; - int len; - int maxblocks; - int reserved_block_code; - uint8_t *pattern; -}; - -/* Options for the bad block table descriptors */ - -/* The number of bits used per block in the bbt on the device */ -#define NAND_BBT_NRBITS_MSK 0x0000000F -#define NAND_BBT_1BIT 0x00000001 -#define NAND_BBT_2BIT 0x00000002 -#define NAND_BBT_4BIT 0x00000004 -#define NAND_BBT_8BIT 0x00000008 -/* The bad block table is in the last good block of the device */ -#define NAND_BBT_LASTBLOCK 0x00000010 -/* The bbt is at the given page, else we must scan for the bbt */ -#define NAND_BBT_ABSPAGE 0x00000020 -/* The bbt is at the given page, else we must scan for the bbt */ -#define NAND_BBT_SEARCH 0x00000040 -/* bbt is stored per chip on multichip devices */ -#define NAND_BBT_PERCHIP 0x00000080 -/* bbt has a version counter at offset veroffs */ -#define NAND_BBT_VERSION 0x00000100 -/* Create a bbt if none axists */ -#define NAND_BBT_CREATE 0x00000200 -/* Search good / bad pattern through all pages of a block */ -#define NAND_BBT_SCANALLPAGES 0x00000400 -/* Scan block empty during good / bad block scan */ -#define NAND_BBT_SCANEMPTY 0x00000800 -/* Write bbt if neccecary */ -#define NAND_BBT_WRITE 0x00001000 -/* Read and write back block contents when writing bbt */ -#define NAND_BBT_SAVECONTENT 0x00002000 -/* Search good / bad pattern on the first and the second page */ -#define NAND_BBT_SCAN2NDPAGE 0x00004000 - -/* The maximum number of blocks to scan for a bbt */ -#define NAND_BBT_SCAN_MAXBLOCKS 4 - extern int nand_scan_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd); extern int nand_update_bbt(struct mtd_info *mtd, loff_t offs); extern int nand_default_bbt(struct mtd_info *mtd); @@ -548,12 +469,6 @@ extern int nand_erase_nand(struct mtd_info *mtd, struct erase_info *instr, extern int nand_do_read(struct mtd_info *mtd, loff_t from, size_t len, size_t * retlen, uint8_t * buf); -/* -* Constants for oob configuration -*/ -#define NAND_SMALL_BADBLOCK_POS 5 -#define NAND_LARGE_BADBLOCK_POS 0 - /** * struct platform_nand_chip - chip level device structure * @nr_chips: max. number of chips to scan for diff --git a/include/linux/mtd/nand_ecc.h b/include/linux/mtd/nand_ecc.h index 052ea8ca243..41bc013571d 100644 --- a/include/linux/mtd/nand_ecc.h +++ b/include/linux/mtd/nand_ecc.h @@ -16,7 +16,13 @@ struct mtd_info; /* - * Calculate 3 byte ECC code for 256 byte block + * Calculate 3 byte ECC code for eccsize byte block + */ +void __nand_calculate_ecc(const u_char *dat, unsigned int eccsize, + u_char *ecc_code); + +/* + * Calculate 3 byte ECC code for 256/512 byte block */ int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code); @@ -27,7 +33,7 @@ int __nand_correct_data(u_char *dat, u_char *read_ecc, u_char *calc_ecc, unsigned int eccsize); /* - * Detect and correct a 1 bit error for 256 byte block + * Detect and correct a 1 bit error for 256/512 byte block */ int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc); diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h index 4e49f335067..5509eb06b32 100644 --- a/include/linux/mtd/onenand.h +++ b/include/linux/mtd/onenand.h @@ -1,7 +1,7 @@ /* * linux/include/linux/mtd/onenand.h * - * Copyright (C) 2005-2007 Samsung Electronics + * Copyright © 2005-2009 Samsung Electronics * Kyungmin Park <kyungmin.park@samsung.com> * * This program is free software; you can redistribute it and/or modify @@ -14,6 +14,7 @@ #include <linux/spinlock.h> #include <linux/completion.h> +#include <linux/mtd/flashchip.h> #include <linux/mtd/onenand_regs.h> #include <linux/mtd/bbm.h> @@ -25,22 +26,6 @@ extern int onenand_scan(struct mtd_info *mtd, int max_chips); /* Free resources held by the OneNAND device */ extern void onenand_release(struct mtd_info *mtd); -/* - * onenand_state_t - chip states - * Enumeration for OneNAND flash chip state - */ -typedef enum { - FL_READY, - FL_READING, - FL_WRITING, - FL_ERASING, - FL_SYNCING, - FL_LOCKING, - FL_RESETING, - FL_OTPING, - FL_PM_SUSPENDED, -} onenand_state_t; - /** * struct onenand_bufferram - OneNAND BufferRAM Data * @blockpage: block & page address in BufferRAM @@ -137,7 +122,7 @@ struct onenand_chip { spinlock_t chip_lock; wait_queue_head_t wq; - onenand_state_t state; + flstate_t state; unsigned char *page_buf; unsigned char *oob_buf; @@ -152,6 +137,8 @@ struct onenand_chip { /* * Helper macros */ +#define ONENAND_PAGES_PER_BLOCK (1<<6) + #define ONENAND_CURRENT_BUFFERRAM(this) (this->bufferram_index) #define ONENAND_NEXT_BUFFERRAM(this) (this->bufferram_index ^ 1) #define ONENAND_SET_NEXT_BUFFERRAM(this) (this->bufferram_index ^= 1) diff --git a/include/linux/mtd/onenand_regs.h b/include/linux/mtd/onenand_regs.h index acadbf53a69..cd6f3b43119 100644 --- a/include/linux/mtd/onenand_regs.h +++ b/include/linux/mtd/onenand_regs.h @@ -131,6 +131,8 @@ #define ONENAND_CMD_LOCK_TIGHT (0x2C) #define ONENAND_CMD_UNLOCK_ALL (0x27) #define ONENAND_CMD_ERASE (0x94) +#define ONENAND_CMD_MULTIBLOCK_ERASE (0x95) +#define ONENAND_CMD_ERASE_VERIFY (0x71) #define ONENAND_CMD_RESET (0xF0) #define ONENAND_CMD_OTP_ACCESS (0x65) #define ONENAND_CMD_READID (0x90) diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h index 51071b33575..89b28812ec2 100644 --- a/include/linux/nfs_xdr.h +++ b/include/linux/nfs_xdr.h @@ -2,6 +2,7 @@ #define _LINUX_NFS_XDR_H #include <linux/nfsacl.h> +#include <linux/nfs3.h> /* * To change the maximum rsize and wsize supported by the NFS client, adjust diff --git a/include/linux/nfsacl.h b/include/linux/nfsacl.h index 43011b69297..f321b578ede 100644 --- a/include/linux/nfsacl.h +++ b/include/linux/nfsacl.h @@ -29,6 +29,7 @@ #ifdef __KERNEL__ #include <linux/posix_acl.h> +#include <linux/sunrpc/xdr.h> /* Maximum number of ACL entries over NFS */ #define NFS_ACL_MAX_ENTRIES 1024 diff --git a/include/linux/nfsd/cache.h b/include/linux/nfsd/cache.h deleted file mode 100644 index 3a3f58934f5..00000000000 --- a/include/linux/nfsd/cache.h +++ /dev/null @@ -1,86 +0,0 @@ -/* - * include/linux/nfsd/cache.h - * - * Request reply cache. This was heavily inspired by the - * implementation in 4.3BSD/4.4BSD. - * - * Copyright (C) 1995, 1996 Olaf Kirch <okir@monad.swb.de> - */ - -#ifndef NFSCACHE_H -#define NFSCACHE_H - -#include <linux/in.h> -#include <linux/uio.h> - -/* - * Representation of a reply cache entry. - */ -struct svc_cacherep { - struct hlist_node c_hash; - struct list_head c_lru; - - unsigned char c_state, /* unused, inprog, done */ - c_type, /* status, buffer */ - c_secure : 1; /* req came from port < 1024 */ - struct sockaddr_in c_addr; - __be32 c_xid; - u32 c_prot; - u32 c_proc; - u32 c_vers; - unsigned long c_timestamp; - union { - struct kvec u_vec; - __be32 u_status; - } c_u; -}; - -#define c_replvec c_u.u_vec -#define c_replstat c_u.u_status - -/* cache entry states */ -enum { - RC_UNUSED, - RC_INPROG, - RC_DONE -}; - -/* return values */ -enum { - RC_DROPIT, - RC_REPLY, - RC_DOIT, - RC_INTR -}; - -/* - * Cache types. - * We may want to add more types one day, e.g. for diropres and - * attrstat replies. Using cache entries with fixed length instead - * of buffer pointers may be more efficient. - */ -enum { - RC_NOCACHE, - RC_REPLSTAT, - RC_REPLBUFF, -}; - -/* - * If requests are retransmitted within this interval, they're dropped. - */ -#define RC_DELAY (HZ/5) - -int nfsd_reply_cache_init(void); -void nfsd_reply_cache_shutdown(void); -int nfsd_cache_lookup(struct svc_rqst *, int); -void nfsd_cache_update(struct svc_rqst *, int, __be32 *); - -#ifdef CONFIG_NFSD_V4 -void nfsd4_set_statp(struct svc_rqst *rqstp, __be32 *statp); -#else /* CONFIG_NFSD_V4 */ -static inline void nfsd4_set_statp(struct svc_rqst *rqstp, __be32 *statp) -{ -} -#endif /* CONFIG_NFSD_V4 */ - -#endif /* NFSCACHE_H */ diff --git a/include/linux/nfsd/export.h b/include/linux/nfsd/export.h index a6d9ef2bb34..8ae78a61eea 100644 --- a/include/linux/nfsd/export.h +++ b/include/linux/nfsd/export.h @@ -12,7 +12,7 @@ # include <linux/types.h> #ifdef __KERNEL__ -# include <linux/in.h> +# include <linux/nfsd/nfsfh.h> #endif /* @@ -39,11 +39,23 @@ #define NFSEXP_FSID 0x2000 #define NFSEXP_CROSSMOUNT 0x4000 #define NFSEXP_NOACL 0x8000 /* reserved for possible ACL related use */ -#define NFSEXP_ALLFLAGS 0xFE3F +/* + * The NFSEXP_V4ROOT flag causes the kernel to give access only to NFSv4 + * clients, and only to the single directory that is the root of the + * export; further lookup and readdir operations are treated as if every + * subdirectory was a mountpoint, and ignored if they are not themselves + * exported. This is used by nfsd and mountd to construct the NFSv4 + * pseudofilesystem, which provides access only to paths leading to each + * exported filesystem. + */ +#define NFSEXP_V4ROOT 0x10000 +/* All flags that we claim to support. (Note we don't support NOACL.) */ +#define NFSEXP_ALLFLAGS 0x17E3F /* The flags that may vary depending on security flavor: */ #define NFSEXP_SECINFO_FLAGS (NFSEXP_READONLY | NFSEXP_ROOTSQUASH \ - | NFSEXP_ALLSQUASH) + | NFSEXP_ALLSQUASH \ + | NFSEXP_INSECURE_PORT) #ifdef __KERNEL__ @@ -108,7 +120,6 @@ struct svc_expkey { struct path ek_path; }; -#define EX_SECURE(exp) (!((exp)->ex_flags & NFSEXP_INSECURE_PORT)) #define EX_ISSYNC(exp) (!((exp)->ex_flags & NFSEXP_ASYNC)) #define EX_NOHIDE(exp) ((exp)->ex_flags & NFSEXP_NOHIDE) #define EX_WGATHER(exp) ((exp)->ex_flags & NFSEXP_GATHERED_WRITES) diff --git a/include/linux/nfsd/nfsd.h b/include/linux/nfsd/nfsd.h deleted file mode 100644 index 510ffdd5020..00000000000 --- a/include/linux/nfsd/nfsd.h +++ /dev/null @@ -1,424 +0,0 @@ -/* - * linux/include/linux/nfsd/nfsd.h - * - * Hodge-podge collection of knfsd-related stuff. - * I will sort this out later. - * - * Copyright (C) 1995-1997 Olaf Kirch <okir@monad.swb.de> - */ - -#ifndef LINUX_NFSD_NFSD_H -#define LINUX_NFSD_NFSD_H - -#include <linux/types.h> -#include <linux/unistd.h> -#include <linux/fs.h> -#include <linux/posix_acl.h> -#include <linux/mount.h> - -#include <linux/nfsd/debug.h> -#include <linux/nfsd/nfsfh.h> -#include <linux/nfsd/export.h> -#include <linux/nfsd/stats.h> -/* - * nfsd version - */ -#define NFSD_SUPPORTED_MINOR_VERSION 1 - -/* - * Flags for nfsd_permission - */ -#define NFSD_MAY_NOP 0 -#define NFSD_MAY_EXEC 1 /* == MAY_EXEC */ -#define NFSD_MAY_WRITE 2 /* == MAY_WRITE */ -#define NFSD_MAY_READ 4 /* == MAY_READ */ -#define NFSD_MAY_SATTR 8 -#define NFSD_MAY_TRUNC 16 -#define NFSD_MAY_LOCK 32 -#define NFSD_MAY_OWNER_OVERRIDE 64 -#define NFSD_MAY_LOCAL_ACCESS 128 /* IRIX doing local access check on device special file*/ -#define NFSD_MAY_BYPASS_GSS_ON_ROOT 256 - -#define NFSD_MAY_CREATE (NFSD_MAY_EXEC|NFSD_MAY_WRITE) -#define NFSD_MAY_REMOVE (NFSD_MAY_EXEC|NFSD_MAY_WRITE|NFSD_MAY_TRUNC) - -/* - * Callback function for readdir - */ -struct readdir_cd { - __be32 err; /* 0, nfserr, or nfserr_eof */ -}; -typedef int (*nfsd_dirop_t)(struct inode *, struct dentry *, int, int); - -extern struct svc_program nfsd_program; -extern struct svc_version nfsd_version2, nfsd_version3, - nfsd_version4; -extern u32 nfsd_supported_minorversion; -extern struct mutex nfsd_mutex; -extern struct svc_serv *nfsd_serv; -extern spinlock_t nfsd_drc_lock; -extern unsigned int nfsd_drc_max_mem; -extern unsigned int nfsd_drc_mem_used; - -extern const struct seq_operations nfs_exports_op; - -/* - * Function prototypes. - */ -int nfsd_svc(unsigned short port, int nrservs); -int nfsd_dispatch(struct svc_rqst *rqstp, __be32 *statp); - -int nfsd_nrthreads(void); -int nfsd_nrpools(void); -int nfsd_get_nrthreads(int n, int *); -int nfsd_set_nrthreads(int n, int *); - -/* nfsd/vfs.c */ -int fh_lock_parent(struct svc_fh *, struct dentry *); -int nfsd_racache_init(int); -void nfsd_racache_shutdown(void); -int nfsd_cross_mnt(struct svc_rqst *rqstp, struct dentry **dpp, - struct svc_export **expp); -__be32 nfsd_lookup(struct svc_rqst *, struct svc_fh *, - const char *, unsigned int, struct svc_fh *); -__be32 nfsd_lookup_dentry(struct svc_rqst *, struct svc_fh *, - const char *, unsigned int, - struct svc_export **, struct dentry **); -__be32 nfsd_setattr(struct svc_rqst *, struct svc_fh *, - struct iattr *, int, time_t); -#ifdef CONFIG_NFSD_V4 -__be32 nfsd4_set_nfs4_acl(struct svc_rqst *, struct svc_fh *, - struct nfs4_acl *); -int nfsd4_get_nfs4_acl(struct svc_rqst *, struct dentry *, struct nfs4_acl **); -#endif /* CONFIG_NFSD_V4 */ -__be32 nfsd_create(struct svc_rqst *, struct svc_fh *, - char *name, int len, struct iattr *attrs, - int type, dev_t rdev, struct svc_fh *res); -#ifdef CONFIG_NFSD_V3 -__be32 nfsd_access(struct svc_rqst *, struct svc_fh *, u32 *, u32 *); -__be32 nfsd_create_v3(struct svc_rqst *, struct svc_fh *, - char *name, int len, struct iattr *attrs, - struct svc_fh *res, int createmode, - u32 *verifier, int *truncp, int *created); -__be32 nfsd_commit(struct svc_rqst *, struct svc_fh *, - loff_t, unsigned long); -#endif /* CONFIG_NFSD_V3 */ -__be32 nfsd_open(struct svc_rqst *, struct svc_fh *, int, - int, struct file **); -void nfsd_close(struct file *); -__be32 nfsd_read(struct svc_rqst *, struct svc_fh *, struct file *, - loff_t, struct kvec *, int, unsigned long *); -__be32 nfsd_write(struct svc_rqst *, struct svc_fh *,struct file *, - loff_t, struct kvec *,int, unsigned long *, int *); -__be32 nfsd_readlink(struct svc_rqst *, struct svc_fh *, - char *, int *); -__be32 nfsd_symlink(struct svc_rqst *, struct svc_fh *, - char *name, int len, char *path, int plen, - struct svc_fh *res, struct iattr *); -__be32 nfsd_link(struct svc_rqst *, struct svc_fh *, - char *, int, struct svc_fh *); -__be32 nfsd_rename(struct svc_rqst *, - struct svc_fh *, char *, int, - struct svc_fh *, char *, int); -__be32 nfsd_remove(struct svc_rqst *, - struct svc_fh *, char *, int); -__be32 nfsd_unlink(struct svc_rqst *, struct svc_fh *, int type, - char *name, int len); -int nfsd_truncate(struct svc_rqst *, struct svc_fh *, - unsigned long size); -__be32 nfsd_readdir(struct svc_rqst *, struct svc_fh *, - loff_t *, struct readdir_cd *, filldir_t); -__be32 nfsd_statfs(struct svc_rqst *, struct svc_fh *, - struct kstatfs *, int access); - -int nfsd_notify_change(struct inode *, struct iattr *); -__be32 nfsd_permission(struct svc_rqst *, struct svc_export *, - struct dentry *, int); -int nfsd_sync_dir(struct dentry *dp); - -#if defined(CONFIG_NFSD_V2_ACL) || defined(CONFIG_NFSD_V3_ACL) -#ifdef CONFIG_NFSD_V2_ACL -extern struct svc_version nfsd_acl_version2; -#else -#define nfsd_acl_version2 NULL -#endif -#ifdef CONFIG_NFSD_V3_ACL -extern struct svc_version nfsd_acl_version3; -#else -#define nfsd_acl_version3 NULL -#endif -struct posix_acl *nfsd_get_posix_acl(struct svc_fh *, int); -int nfsd_set_posix_acl(struct svc_fh *, int, struct posix_acl *); -#endif - -enum vers_op {NFSD_SET, NFSD_CLEAR, NFSD_TEST, NFSD_AVAIL }; -int nfsd_vers(int vers, enum vers_op change); -int nfsd_minorversion(u32 minorversion, enum vers_op change); -void nfsd_reset_versions(void); -int nfsd_create_serv(void); - -extern int nfsd_max_blksize; - -/* - * NFSv4 State - */ -#ifdef CONFIG_NFSD_V4 -extern unsigned int max_delegations; -int nfs4_state_init(void); -void nfsd4_free_slabs(void); -int nfs4_state_start(void); -void nfs4_state_shutdown(void); -time_t nfs4_lease_time(void); -void nfs4_reset_lease(time_t leasetime); -int nfs4_reset_recoverydir(char *recdir); -#else -static inline int nfs4_state_init(void) { return 0; } -static inline void nfsd4_free_slabs(void) { } -static inline int nfs4_state_start(void) { return 0; } -static inline void nfs4_state_shutdown(void) { } -static inline time_t nfs4_lease_time(void) { return 0; } -static inline void nfs4_reset_lease(time_t leasetime) { } -static inline int nfs4_reset_recoverydir(char *recdir) { return 0; } -#endif - -/* - * lockd binding - */ -void nfsd_lockd_init(void); -void nfsd_lockd_shutdown(void); - - -/* - * These macros provide pre-xdr'ed values for faster operation. - */ -#define nfs_ok cpu_to_be32(NFS_OK) -#define nfserr_perm cpu_to_be32(NFSERR_PERM) -#define nfserr_noent cpu_to_be32(NFSERR_NOENT) -#define nfserr_io cpu_to_be32(NFSERR_IO) -#define nfserr_nxio cpu_to_be32(NFSERR_NXIO) -#define nfserr_eagain cpu_to_be32(NFSERR_EAGAIN) -#define nfserr_acces cpu_to_be32(NFSERR_ACCES) -#define nfserr_exist cpu_to_be32(NFSERR_EXIST) -#define nfserr_xdev cpu_to_be32(NFSERR_XDEV) -#define nfserr_nodev cpu_to_be32(NFSERR_NODEV) -#define nfserr_notdir cpu_to_be32(NFSERR_NOTDIR) -#define nfserr_isdir cpu_to_be32(NFSERR_ISDIR) -#define nfserr_inval cpu_to_be32(NFSERR_INVAL) -#define nfserr_fbig cpu_to_be32(NFSERR_FBIG) -#define nfserr_nospc cpu_to_be32(NFSERR_NOSPC) -#define nfserr_rofs cpu_to_be32(NFSERR_ROFS) -#define nfserr_mlink cpu_to_be32(NFSERR_MLINK) -#define nfserr_opnotsupp cpu_to_be32(NFSERR_OPNOTSUPP) -#define nfserr_nametoolong cpu_to_be32(NFSERR_NAMETOOLONG) -#define nfserr_notempty cpu_to_be32(NFSERR_NOTEMPTY) -#define nfserr_dquot cpu_to_be32(NFSERR_DQUOT) -#define nfserr_stale cpu_to_be32(NFSERR_STALE) -#define nfserr_remote cpu_to_be32(NFSERR_REMOTE) -#define nfserr_wflush cpu_to_be32(NFSERR_WFLUSH) -#define nfserr_badhandle cpu_to_be32(NFSERR_BADHANDLE) -#define nfserr_notsync cpu_to_be32(NFSERR_NOT_SYNC) -#define nfserr_badcookie cpu_to_be32(NFSERR_BAD_COOKIE) -#define nfserr_notsupp cpu_to_be32(NFSERR_NOTSUPP) -#define nfserr_toosmall cpu_to_be32(NFSERR_TOOSMALL) -#define nfserr_serverfault cpu_to_be32(NFSERR_SERVERFAULT) -#define nfserr_badtype cpu_to_be32(NFSERR_BADTYPE) -#define nfserr_jukebox cpu_to_be32(NFSERR_JUKEBOX) -#define nfserr_denied cpu_to_be32(NFSERR_DENIED) -#define nfserr_deadlock cpu_to_be32(NFSERR_DEADLOCK) -#define nfserr_expired cpu_to_be32(NFSERR_EXPIRED) -#define nfserr_bad_cookie cpu_to_be32(NFSERR_BAD_COOKIE) -#define nfserr_same cpu_to_be32(NFSERR_SAME) -#define nfserr_clid_inuse cpu_to_be32(NFSERR_CLID_INUSE) -#define nfserr_stale_clientid cpu_to_be32(NFSERR_STALE_CLIENTID) -#define nfserr_resource cpu_to_be32(NFSERR_RESOURCE) -#define nfserr_moved cpu_to_be32(NFSERR_MOVED) -#define nfserr_nofilehandle cpu_to_be32(NFSERR_NOFILEHANDLE) -#define nfserr_minor_vers_mismatch cpu_to_be32(NFSERR_MINOR_VERS_MISMATCH) -#define nfserr_share_denied cpu_to_be32(NFSERR_SHARE_DENIED) -#define nfserr_stale_stateid cpu_to_be32(NFSERR_STALE_STATEID) -#define nfserr_old_stateid cpu_to_be32(NFSERR_OLD_STATEID) -#define nfserr_bad_stateid cpu_to_be32(NFSERR_BAD_STATEID) -#define nfserr_bad_seqid cpu_to_be32(NFSERR_BAD_SEQID) -#define nfserr_symlink cpu_to_be32(NFSERR_SYMLINK) -#define nfserr_not_same cpu_to_be32(NFSERR_NOT_SAME) -#define nfserr_restorefh cpu_to_be32(NFSERR_RESTOREFH) -#define nfserr_attrnotsupp cpu_to_be32(NFSERR_ATTRNOTSUPP) -#define nfserr_bad_xdr cpu_to_be32(NFSERR_BAD_XDR) -#define nfserr_openmode cpu_to_be32(NFSERR_OPENMODE) -#define nfserr_locks_held cpu_to_be32(NFSERR_LOCKS_HELD) -#define nfserr_op_illegal cpu_to_be32(NFSERR_OP_ILLEGAL) -#define nfserr_grace cpu_to_be32(NFSERR_GRACE) -#define nfserr_no_grace cpu_to_be32(NFSERR_NO_GRACE) -#define nfserr_reclaim_bad cpu_to_be32(NFSERR_RECLAIM_BAD) -#define nfserr_badname cpu_to_be32(NFSERR_BADNAME) -#define nfserr_cb_path_down cpu_to_be32(NFSERR_CB_PATH_DOWN) -#define nfserr_locked cpu_to_be32(NFSERR_LOCKED) -#define nfserr_wrongsec cpu_to_be32(NFSERR_WRONGSEC) -#define nfserr_badiomode cpu_to_be32(NFS4ERR_BADIOMODE) -#define nfserr_badlayout cpu_to_be32(NFS4ERR_BADLAYOUT) -#define nfserr_bad_session_digest cpu_to_be32(NFS4ERR_BAD_SESSION_DIGEST) -#define nfserr_badsession cpu_to_be32(NFS4ERR_BADSESSION) -#define nfserr_badslot cpu_to_be32(NFS4ERR_BADSLOT) -#define nfserr_complete_already cpu_to_be32(NFS4ERR_COMPLETE_ALREADY) -#define nfserr_conn_not_bound_to_session cpu_to_be32(NFS4ERR_CONN_NOT_BOUND_TO_SESSION) -#define nfserr_deleg_already_wanted cpu_to_be32(NFS4ERR_DELEG_ALREADY_WANTED) -#define nfserr_back_chan_busy cpu_to_be32(NFS4ERR_BACK_CHAN_BUSY) -#define nfserr_layouttrylater cpu_to_be32(NFS4ERR_LAYOUTTRYLATER) -#define nfserr_layoutunavailable cpu_to_be32(NFS4ERR_LAYOUTUNAVAILABLE) -#define nfserr_nomatching_layout cpu_to_be32(NFS4ERR_NOMATCHING_LAYOUT) -#define nfserr_recallconflict cpu_to_be32(NFS4ERR_RECALLCONFLICT) -#define nfserr_unknown_layouttype cpu_to_be32(NFS4ERR_UNKNOWN_LAYOUTTYPE) -#define nfserr_seq_misordered cpu_to_be32(NFS4ERR_SEQ_MISORDERED) -#define nfserr_sequence_pos cpu_to_be32(NFS4ERR_SEQUENCE_POS) -#define nfserr_req_too_big cpu_to_be32(NFS4ERR_REQ_TOO_BIG) -#define nfserr_rep_too_big cpu_to_be32(NFS4ERR_REP_TOO_BIG) -#define nfserr_rep_too_big_to_cache cpu_to_be32(NFS4ERR_REP_TOO_BIG_TO_CACHE) -#define nfserr_retry_uncached_rep cpu_to_be32(NFS4ERR_RETRY_UNCACHED_REP) -#define nfserr_unsafe_compound cpu_to_be32(NFS4ERR_UNSAFE_COMPOUND) -#define nfserr_too_many_ops cpu_to_be32(NFS4ERR_TOO_MANY_OPS) -#define nfserr_op_not_in_session cpu_to_be32(NFS4ERR_OP_NOT_IN_SESSION) -#define nfserr_hash_alg_unsupp cpu_to_be32(NFS4ERR_HASH_ALG_UNSUPP) -#define nfserr_clientid_busy cpu_to_be32(NFS4ERR_CLIENTID_BUSY) -#define nfserr_pnfs_io_hole cpu_to_be32(NFS4ERR_PNFS_IO_HOLE) -#define nfserr_seq_false_retry cpu_to_be32(NFS4ERR_SEQ_FALSE_RETRY) -#define nfserr_bad_high_slot cpu_to_be32(NFS4ERR_BAD_HIGH_SLOT) -#define nfserr_deadsession cpu_to_be32(NFS4ERR_DEADSESSION) -#define nfserr_encr_alg_unsupp cpu_to_be32(NFS4ERR_ENCR_ALG_UNSUPP) -#define nfserr_pnfs_no_layout cpu_to_be32(NFS4ERR_PNFS_NO_LAYOUT) -#define nfserr_not_only_op cpu_to_be32(NFS4ERR_NOT_ONLY_OP) -#define nfserr_wrong_cred cpu_to_be32(NFS4ERR_WRONG_CRED) -#define nfserr_wrong_type cpu_to_be32(NFS4ERR_WRONG_TYPE) -#define nfserr_dirdeleg_unavail cpu_to_be32(NFS4ERR_DIRDELEG_UNAVAIL) -#define nfserr_reject_deleg cpu_to_be32(NFS4ERR_REJECT_DELEG) -#define nfserr_returnconflict cpu_to_be32(NFS4ERR_RETURNCONFLICT) -#define nfserr_deleg_revoked cpu_to_be32(NFS4ERR_DELEG_REVOKED) - -/* error codes for internal use */ -/* if a request fails due to kmalloc failure, it gets dropped. - * Client should resend eventually - */ -#define nfserr_dropit cpu_to_be32(30000) -/* end-of-file indicator in readdir */ -#define nfserr_eof cpu_to_be32(30001) -/* replay detected */ -#define nfserr_replay_me cpu_to_be32(11001) -/* nfs41 replay detected */ -#define nfserr_replay_cache cpu_to_be32(11002) - -/* Check for dir entries '.' and '..' */ -#define isdotent(n, l) (l < 3 && n[0] == '.' && (l == 1 || n[1] == '.')) - -/* - * Time of server startup - */ -extern struct timeval nfssvc_boot; - -#ifdef CONFIG_NFSD_V4 - -/* before processing a COMPOUND operation, we have to check that there - * is enough space in the buffer for XDR encode to succeed. otherwise, - * we might process an operation with side effects, and be unable to - * tell the client that the operation succeeded. - * - * COMPOUND_SLACK_SPACE - this is the minimum bytes of buffer space - * needed to encode an "ordinary" _successful_ operation. (GETATTR, - * READ, READDIR, and READLINK have their own buffer checks.) if we - * fall below this level, we fail the next operation with NFS4ERR_RESOURCE. - * - * COMPOUND_ERR_SLACK_SPACE - this is the minimum bytes of buffer space - * needed to encode an operation which has failed with NFS4ERR_RESOURCE. - * care is taken to ensure that we never fall below this level for any - * reason. - */ -#define COMPOUND_SLACK_SPACE 140 /* OP_GETFH */ -#define COMPOUND_ERR_SLACK_SPACE 12 /* OP_SETATTR */ - -#define NFSD_LEASE_TIME (nfs4_lease_time()) -#define NFSD_LAUNDROMAT_MINTIMEOUT 10 /* seconds */ - -/* - * The following attributes are currently not supported by the NFSv4 server: - * ARCHIVE (deprecated anyway) - * HIDDEN (unlikely to be supported any time soon) - * MIMETYPE (unlikely to be supported any time soon) - * QUOTA_* (will be supported in a forthcoming patch) - * SYSTEM (unlikely to be supported any time soon) - * TIME_BACKUP (unlikely to be supported any time soon) - * TIME_CREATE (unlikely to be supported any time soon) - */ -#define NFSD4_SUPPORTED_ATTRS_WORD0 \ -(FATTR4_WORD0_SUPPORTED_ATTRS | FATTR4_WORD0_TYPE | FATTR4_WORD0_FH_EXPIRE_TYPE \ - | FATTR4_WORD0_CHANGE | FATTR4_WORD0_SIZE | FATTR4_WORD0_LINK_SUPPORT \ - | FATTR4_WORD0_SYMLINK_SUPPORT | FATTR4_WORD0_NAMED_ATTR | FATTR4_WORD0_FSID \ - | FATTR4_WORD0_UNIQUE_HANDLES | FATTR4_WORD0_LEASE_TIME | FATTR4_WORD0_RDATTR_ERROR \ - | FATTR4_WORD0_ACLSUPPORT | FATTR4_WORD0_CANSETTIME | FATTR4_WORD0_CASE_INSENSITIVE \ - | FATTR4_WORD0_CASE_PRESERVING | FATTR4_WORD0_CHOWN_RESTRICTED \ - | FATTR4_WORD0_FILEHANDLE | FATTR4_WORD0_FILEID | FATTR4_WORD0_FILES_AVAIL \ - | FATTR4_WORD0_FILES_FREE | FATTR4_WORD0_FILES_TOTAL | FATTR4_WORD0_FS_LOCATIONS | FATTR4_WORD0_HOMOGENEOUS \ - | FATTR4_WORD0_MAXFILESIZE | FATTR4_WORD0_MAXLINK | FATTR4_WORD0_MAXNAME \ - | FATTR4_WORD0_MAXREAD | FATTR4_WORD0_MAXWRITE | FATTR4_WORD0_ACL) - -#define NFSD4_SUPPORTED_ATTRS_WORD1 \ -(FATTR4_WORD1_MODE | FATTR4_WORD1_NO_TRUNC | FATTR4_WORD1_NUMLINKS \ - | FATTR4_WORD1_OWNER | FATTR4_WORD1_OWNER_GROUP | FATTR4_WORD1_RAWDEV \ - | FATTR4_WORD1_SPACE_AVAIL | FATTR4_WORD1_SPACE_FREE | FATTR4_WORD1_SPACE_TOTAL \ - | FATTR4_WORD1_SPACE_USED | FATTR4_WORD1_TIME_ACCESS | FATTR4_WORD1_TIME_ACCESS_SET \ - | FATTR4_WORD1_TIME_DELTA | FATTR4_WORD1_TIME_METADATA \ - | FATTR4_WORD1_TIME_MODIFY | FATTR4_WORD1_TIME_MODIFY_SET | FATTR4_WORD1_MOUNTED_ON_FILEID) - -#define NFSD4_SUPPORTED_ATTRS_WORD2 0 - -#define NFSD4_1_SUPPORTED_ATTRS_WORD0 \ - NFSD4_SUPPORTED_ATTRS_WORD0 - -#define NFSD4_1_SUPPORTED_ATTRS_WORD1 \ - NFSD4_SUPPORTED_ATTRS_WORD1 - -#define NFSD4_1_SUPPORTED_ATTRS_WORD2 \ - (NFSD4_SUPPORTED_ATTRS_WORD2 | FATTR4_WORD2_SUPPATTR_EXCLCREAT) - -static inline u32 nfsd_suppattrs0(u32 minorversion) -{ - return minorversion ? NFSD4_1_SUPPORTED_ATTRS_WORD0 - : NFSD4_SUPPORTED_ATTRS_WORD0; -} - -static inline u32 nfsd_suppattrs1(u32 minorversion) -{ - return minorversion ? NFSD4_1_SUPPORTED_ATTRS_WORD1 - : NFSD4_SUPPORTED_ATTRS_WORD1; -} - -static inline u32 nfsd_suppattrs2(u32 minorversion) -{ - return minorversion ? NFSD4_1_SUPPORTED_ATTRS_WORD2 - : NFSD4_SUPPORTED_ATTRS_WORD2; -} - -/* These will return ERR_INVAL if specified in GETATTR or READDIR. */ -#define NFSD_WRITEONLY_ATTRS_WORD1 \ -(FATTR4_WORD1_TIME_ACCESS_SET | FATTR4_WORD1_TIME_MODIFY_SET) - -/* These are the only attrs allowed in CREATE/OPEN/SETATTR. */ -#define NFSD_WRITEABLE_ATTRS_WORD0 \ -(FATTR4_WORD0_SIZE | FATTR4_WORD0_ACL ) -#define NFSD_WRITEABLE_ATTRS_WORD1 \ -(FATTR4_WORD1_MODE | FATTR4_WORD1_OWNER | FATTR4_WORD1_OWNER_GROUP \ - | FATTR4_WORD1_TIME_ACCESS_SET | FATTR4_WORD1_TIME_MODIFY_SET) -#define NFSD_WRITEABLE_ATTRS_WORD2 0 - -#define NFSD_SUPPATTR_EXCLCREAT_WORD0 \ - NFSD_WRITEABLE_ATTRS_WORD0 -/* - * we currently store the exclusive create verifier in the v_{a,m}time - * attributes so the client can't set these at create time using EXCLUSIVE4_1 - */ -#define NFSD_SUPPATTR_EXCLCREAT_WORD1 \ - (NFSD_WRITEABLE_ATTRS_WORD1 & \ - ~(FATTR4_WORD1_TIME_ACCESS_SET | FATTR4_WORD1_TIME_MODIFY_SET)) -#define NFSD_SUPPATTR_EXCLCREAT_WORD2 \ - NFSD_WRITEABLE_ATTRS_WORD2 - -#endif /* CONFIG_NFSD_V4 */ - -#endif /* LINUX_NFSD_NFSD_H */ diff --git a/include/linux/nfsd/nfsfh.h b/include/linux/nfsd/nfsfh.h index 8f641c90845..65e333afaee 100644 --- a/include/linux/nfsd/nfsfh.h +++ b/include/linux/nfsd/nfsfh.h @@ -16,11 +16,9 @@ # include <linux/types.h> #ifdef __KERNEL__ -# include <linux/string.h> -# include <linux/fs.h> +# include <linux/sunrpc/svc.h> #endif #include <linux/nfsd/const.h> -#include <linux/nfsd/debug.h> /* * This is the old "dentry style" Linux NFSv2 file handle. @@ -164,208 +162,6 @@ typedef struct svc_fh { } svc_fh; -enum nfsd_fsid { - FSID_DEV = 0, - FSID_NUM, - FSID_MAJOR_MINOR, - FSID_ENCODE_DEV, - FSID_UUID4_INUM, - FSID_UUID8, - FSID_UUID16, - FSID_UUID16_INUM, -}; - -enum fsid_source { - FSIDSOURCE_DEV, - FSIDSOURCE_FSID, - FSIDSOURCE_UUID, -}; -extern enum fsid_source fsid_source(struct svc_fh *fhp); - - -/* This might look a little large to "inline" but in all calls except - * one, 'vers' is constant so moste of the function disappears. - */ -static inline void mk_fsid(int vers, u32 *fsidv, dev_t dev, ino_t ino, - u32 fsid, unsigned char *uuid) -{ - u32 *up; - switch(vers) { - case FSID_DEV: - fsidv[0] = htonl((MAJOR(dev)<<16) | - MINOR(dev)); - fsidv[1] = ino_t_to_u32(ino); - break; - case FSID_NUM: - fsidv[0] = fsid; - break; - case FSID_MAJOR_MINOR: - fsidv[0] = htonl(MAJOR(dev)); - fsidv[1] = htonl(MINOR(dev)); - fsidv[2] = ino_t_to_u32(ino); - break; - - case FSID_ENCODE_DEV: - fsidv[0] = new_encode_dev(dev); - fsidv[1] = ino_t_to_u32(ino); - break; - - case FSID_UUID4_INUM: - /* 4 byte fsid and inode number */ - up = (u32*)uuid; - fsidv[0] = ino_t_to_u32(ino); - fsidv[1] = up[0] ^ up[1] ^ up[2] ^ up[3]; - break; - - case FSID_UUID8: - /* 8 byte fsid */ - up = (u32*)uuid; - fsidv[0] = up[0] ^ up[2]; - fsidv[1] = up[1] ^ up[3]; - break; - - case FSID_UUID16: - /* 16 byte fsid - NFSv3+ only */ - memcpy(fsidv, uuid, 16); - break; - - case FSID_UUID16_INUM: - /* 8 byte inode and 16 byte fsid */ - *(u64*)fsidv = (u64)ino; - memcpy(fsidv+2, uuid, 16); - break; - default: BUG(); - } -} - -static inline int key_len(int type) -{ - switch(type) { - case FSID_DEV: return 8; - case FSID_NUM: return 4; - case FSID_MAJOR_MINOR: return 12; - case FSID_ENCODE_DEV: return 8; - case FSID_UUID4_INUM: return 8; - case FSID_UUID8: return 8; - case FSID_UUID16: return 16; - case FSID_UUID16_INUM: return 24; - default: return 0; - } -} - -/* - * Shorthand for dprintk()'s - */ -extern char * SVCFH_fmt(struct svc_fh *fhp); - -/* - * Function prototypes - */ -__be32 fh_verify(struct svc_rqst *, struct svc_fh *, int, int); -__be32 fh_compose(struct svc_fh *, struct svc_export *, struct dentry *, struct svc_fh *); -__be32 fh_update(struct svc_fh *); -void fh_put(struct svc_fh *); - -static __inline__ struct svc_fh * -fh_copy(struct svc_fh *dst, struct svc_fh *src) -{ - WARN_ON(src->fh_dentry || src->fh_locked); - - *dst = *src; - return dst; -} - -static inline void -fh_copy_shallow(struct knfsd_fh *dst, struct knfsd_fh *src) -{ - dst->fh_size = src->fh_size; - memcpy(&dst->fh_base, &src->fh_base, src->fh_size); -} - -static __inline__ struct svc_fh * -fh_init(struct svc_fh *fhp, int maxsize) -{ - memset(fhp, 0, sizeof(*fhp)); - fhp->fh_maxsize = maxsize; - return fhp; -} - -#ifdef CONFIG_NFSD_V3 -/* - * Fill in the pre_op attr for the wcc data - */ -static inline void -fill_pre_wcc(struct svc_fh *fhp) -{ - struct inode *inode; - - inode = fhp->fh_dentry->d_inode; - if (!fhp->fh_pre_saved) { - fhp->fh_pre_mtime = inode->i_mtime; - fhp->fh_pre_ctime = inode->i_ctime; - fhp->fh_pre_size = inode->i_size; - fhp->fh_pre_change = inode->i_version; - fhp->fh_pre_saved = 1; - } -} - -extern void fill_post_wcc(struct svc_fh *); -#else -#define fill_pre_wcc(ignored) -#define fill_post_wcc(notused) -#endif /* CONFIG_NFSD_V3 */ - - -/* - * Lock a file handle/inode - * NOTE: both fh_lock and fh_unlock are done "by hand" in - * vfs.c:nfsd_rename as it needs to grab 2 i_mutex's at once - * so, any changes here should be reflected there. - */ - -static inline void -fh_lock_nested(struct svc_fh *fhp, unsigned int subclass) -{ - struct dentry *dentry = fhp->fh_dentry; - struct inode *inode; - - dfprintk(FILEOP, "nfsd: fh_lock(%s) locked = %d\n", - SVCFH_fmt(fhp), fhp->fh_locked); - - BUG_ON(!dentry); - - if (fhp->fh_locked) { - printk(KERN_WARNING "fh_lock: %s/%s already locked!\n", - dentry->d_parent->d_name.name, dentry->d_name.name); - return; - } - - inode = dentry->d_inode; - mutex_lock_nested(&inode->i_mutex, subclass); - fill_pre_wcc(fhp); - fhp->fh_locked = 1; -} - -static inline void -fh_lock(struct svc_fh *fhp) -{ - fh_lock_nested(fhp, I_MUTEX_NORMAL); -} - -/* - * Unlock a file handle/inode - */ -static inline void -fh_unlock(struct svc_fh *fhp) -{ - BUG_ON(!fhp->fh_dentry); - - if (fhp->fh_locked) { - fill_post_wcc(fhp); - mutex_unlock(&fhp->fh_dentry->d_inode->i_mutex); - fhp->fh_locked = 0; - } -} #endif /* __KERNEL__ */ diff --git a/include/linux/nfsd/state.h b/include/linux/nfsd/state.h deleted file mode 100644 index b38d1132418..00000000000 --- a/include/linux/nfsd/state.h +++ /dev/null @@ -1,404 +0,0 @@ -/* - * linux/include/nfsd/state.h - * - * Copyright (c) 2001 The Regents of the University of Michigan. - * All rights reserved. - * - * Kendrick Smith <kmsmith@umich.edu> - * Andy Adamson <andros@umich.edu> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#ifndef _NFSD4_STATE_H -#define _NFSD4_STATE_H - -#include <linux/list.h> -#include <linux/kref.h> -#include <linux/sunrpc/clnt.h> - -typedef struct { - u32 cl_boot; - u32 cl_id; -} clientid_t; - -typedef struct { - u32 so_boot; - u32 so_stateownerid; - u32 so_fileid; -} stateid_opaque_t; - -typedef struct { - u32 si_generation; - stateid_opaque_t si_opaque; -} stateid_t; -#define si_boot si_opaque.so_boot -#define si_stateownerid si_opaque.so_stateownerid -#define si_fileid si_opaque.so_fileid - -struct nfsd4_cb_sequence { - /* args/res */ - u32 cbs_minorversion; - struct nfs4_client *cbs_clp; -}; - -struct nfs4_delegation { - struct list_head dl_perfile; - struct list_head dl_perclnt; - struct list_head dl_recall_lru; /* delegation recalled */ - atomic_t dl_count; /* ref count */ - struct nfs4_client *dl_client; - struct nfs4_file *dl_file; - struct file_lock *dl_flock; - struct file *dl_vfs_file; - u32 dl_type; - time_t dl_time; -/* For recall: */ - u32 dl_ident; - stateid_t dl_stateid; - struct knfsd_fh dl_fh; - int dl_retries; -}; - -/* client delegation callback info */ -struct nfs4_cb_conn { - /* SETCLIENTID info */ - struct sockaddr_storage cb_addr; - size_t cb_addrlen; - u32 cb_prog; - u32 cb_minorversion; - u32 cb_ident; /* minorversion 0 only */ - /* RPC client info */ - atomic_t cb_set; /* successful CB_NULL call */ - struct rpc_clnt * cb_client; -}; - -/* Maximum number of slots per session. 160 is useful for long haul TCP */ -#define NFSD_MAX_SLOTS_PER_SESSION 160 -/* Maximum number of operations per session compound */ -#define NFSD_MAX_OPS_PER_COMPOUND 16 -/* Maximum session per slot cache size */ -#define NFSD_SLOT_CACHE_SIZE 1024 -/* Maximum number of NFSD_SLOT_CACHE_SIZE slots per session */ -#define NFSD_CACHE_SIZE_SLOTS_PER_SESSION 32 -#define NFSD_MAX_MEM_PER_SESSION \ - (NFSD_CACHE_SIZE_SLOTS_PER_SESSION * NFSD_SLOT_CACHE_SIZE) - -struct nfsd4_slot { - bool sl_inuse; - bool sl_cachethis; - u16 sl_opcnt; - u32 sl_seqid; - __be32 sl_status; - u32 sl_datalen; - char sl_data[]; -}; - -struct nfsd4_channel_attrs { - u32 headerpadsz; - u32 maxreq_sz; - u32 maxresp_sz; - u32 maxresp_cached; - u32 maxops; - u32 maxreqs; - u32 nr_rdma_attrs; - u32 rdma_attrs; -}; - -struct nfsd4_create_session { - clientid_t clientid; - struct nfs4_sessionid sessionid; - u32 seqid; - u32 flags; - struct nfsd4_channel_attrs fore_channel; - struct nfsd4_channel_attrs back_channel; - u32 callback_prog; - u32 uid; - u32 gid; -}; - -/* The single slot clientid cache structure */ -struct nfsd4_clid_slot { - u32 sl_seqid; - __be32 sl_status; - struct nfsd4_create_session sl_cr_ses; -}; - -struct nfsd4_session { - struct kref se_ref; - struct list_head se_hash; /* hash by sessionid */ - struct list_head se_perclnt; - u32 se_flags; - struct nfs4_client *se_client; /* for expire_client */ - struct nfs4_sessionid se_sessionid; - struct nfsd4_channel_attrs se_fchannel; - struct nfsd4_channel_attrs se_bchannel; - struct nfsd4_slot *se_slots[]; /* forward channel slots */ -}; - -static inline void -nfsd4_put_session(struct nfsd4_session *ses) -{ - extern void free_session(struct kref *kref); - kref_put(&ses->se_ref, free_session); -} - -static inline void -nfsd4_get_session(struct nfsd4_session *ses) -{ - kref_get(&ses->se_ref); -} - -/* formatted contents of nfs4_sessionid */ -struct nfsd4_sessionid { - clientid_t clientid; - u32 sequence; - u32 reserved; -}; - -#define HEXDIR_LEN 33 /* hex version of 16 byte md5 of cl_name plus '\0' */ - -/* - * struct nfs4_client - one per client. Clientids live here. - * o Each nfs4_client is hashed by clientid. - * - * o Each nfs4_clients is also hashed by name - * (the opaque quantity initially sent by the client to identify itself). - * - * o cl_perclient list is used to ensure no dangling stateowner references - * when we expire the nfs4_client - */ -struct nfs4_client { - struct list_head cl_idhash; /* hash by cl_clientid.id */ - struct list_head cl_strhash; /* hash by cl_name */ - struct list_head cl_openowners; - struct list_head cl_delegations; - struct list_head cl_lru; /* tail queue */ - struct xdr_netobj cl_name; /* id generated by client */ - char cl_recdir[HEXDIR_LEN]; /* recovery dir */ - nfs4_verifier cl_verifier; /* generated by client */ - time_t cl_time; /* time of last lease renewal */ - struct sockaddr_storage cl_addr; /* client ipaddress */ - u32 cl_flavor; /* setclientid pseudoflavor */ - char *cl_principal; /* setclientid principal name */ - struct svc_cred cl_cred; /* setclientid principal */ - clientid_t cl_clientid; /* generated by server */ - nfs4_verifier cl_confirm; /* generated by server */ - struct nfs4_cb_conn cl_cb_conn; /* callback info */ - atomic_t cl_count; /* ref count */ - u32 cl_firststate; /* recovery dir creation */ - - /* for nfs41 */ - struct list_head cl_sessions; - struct nfsd4_clid_slot cl_cs_slot; /* create_session slot */ - u32 cl_exchange_flags; - struct nfs4_sessionid cl_sessionid; - - /* for nfs41 callbacks */ - /* We currently support a single back channel with a single slot */ - unsigned long cl_cb_slot_busy; - u32 cl_cb_seq_nr; - struct svc_xprt *cl_cb_xprt; /* 4.1 callback transport */ - struct rpc_wait_queue cl_cb_waitq; /* backchannel callers may */ - /* wait here for slots */ -}; - -/* struct nfs4_client_reset - * one per old client. Populates reset_str_hashtbl. Filled from conf_id_hashtbl - * upon lease reset, or from upcall to state_daemon (to read in state - * from non-volitile storage) upon reboot. - */ -struct nfs4_client_reclaim { - struct list_head cr_strhash; /* hash by cr_name */ - char cr_recdir[HEXDIR_LEN]; /* recover dir */ -}; - -static inline void -update_stateid(stateid_t *stateid) -{ - stateid->si_generation++; -} - -/* A reasonable value for REPLAY_ISIZE was estimated as follows: - * The OPEN response, typically the largest, requires - * 4(status) + 8(stateid) + 20(changeinfo) + 4(rflags) + 8(verifier) + - * 4(deleg. type) + 8(deleg. stateid) + 4(deleg. recall flag) + - * 20(deleg. space limit) + ~32(deleg. ace) = 112 bytes - */ - -#define NFSD4_REPLAY_ISIZE 112 - -/* - * Replay buffer, where the result of the last seqid-mutating operation - * is cached. - */ -struct nfs4_replay { - __be32 rp_status; - unsigned int rp_buflen; - char *rp_buf; - unsigned intrp_allocated; - struct knfsd_fh rp_openfh; - char rp_ibuf[NFSD4_REPLAY_ISIZE]; -}; - -/* -* nfs4_stateowner can either be an open_owner, or a lock_owner -* -* so_idhash: stateid_hashtbl[] for open owner, lockstateid_hashtbl[] -* for lock_owner -* so_strhash: ownerstr_hashtbl[] for open_owner, lock_ownerstr_hashtbl[] -* for lock_owner -* so_perclient: nfs4_client->cl_perclient entry - used when nfs4_client -* struct is reaped. -* so_perfilestate: heads the list of nfs4_stateid (either open or lock) -* and is used to ensure no dangling nfs4_stateid references when we -* release a stateowner. -* so_perlockowner: (open) nfs4_stateid->st_perlockowner entry - used when -* close is called to reap associated byte-range locks -* so_close_lru: (open) stateowner is placed on this list instead of being -* reaped (when so_perfilestate is empty) to hold the last close replay. -* reaped by laundramat thread after lease period. -*/ -struct nfs4_stateowner { - struct kref so_ref; - struct list_head so_idhash; /* hash by so_id */ - struct list_head so_strhash; /* hash by op_name */ - struct list_head so_perclient; - struct list_head so_stateids; - struct list_head so_perstateid; /* for lockowners only */ - struct list_head so_close_lru; /* tail queue */ - time_t so_time; /* time of placement on so_close_lru */ - int so_is_open_owner; /* 1=openowner,0=lockowner */ - u32 so_id; - struct nfs4_client * so_client; - /* after increment in ENCODE_SEQID_OP_TAIL, represents the next - * sequence id expected from the client: */ - u32 so_seqid; - struct xdr_netobj so_owner; /* open owner name */ - int so_confirmed; /* successful OPEN_CONFIRM? */ - struct nfs4_replay so_replay; -}; - -/* -* nfs4_file: a file opened by some number of (open) nfs4_stateowners. -* o fi_perfile list is used to search for conflicting -* share_acces, share_deny on the file. -*/ -struct nfs4_file { - atomic_t fi_ref; - struct list_head fi_hash; /* hash by "struct inode *" */ - struct list_head fi_stateids; - struct list_head fi_delegations; - struct inode *fi_inode; - u32 fi_id; /* used with stateowner->so_id - * for stateid_hashtbl hash */ - bool fi_had_conflict; -}; - -/* -* nfs4_stateid can either be an open stateid or (eventually) a lock stateid -* -* (open)nfs4_stateid: one per (open)nfs4_stateowner, nfs4_file -* -* st_hash: stateid_hashtbl[] entry or lockstateid_hashtbl entry -* st_perfile: file_hashtbl[] entry. -* st_perfile_state: nfs4_stateowner->so_perfilestate -* st_perlockowner: (open stateid) list of lock nfs4_stateowners -* st_access_bmap: used only for open stateid -* st_deny_bmap: used only for open stateid -* st_openstp: open stateid lock stateid was derived from -* -* XXX: open stateids and lock stateids have diverged sufficiently that -* we should consider defining separate structs for the two cases. -*/ - -struct nfs4_stateid { - struct list_head st_hash; - struct list_head st_perfile; - struct list_head st_perstateowner; - struct list_head st_lockowners; - struct nfs4_stateowner * st_stateowner; - struct nfs4_file * st_file; - stateid_t st_stateid; - struct file * st_vfs_file; - unsigned long st_access_bmap; - unsigned long st_deny_bmap; - struct nfs4_stateid * st_openstp; -}; - -/* flags for preprocess_seqid_op() */ -#define HAS_SESSION 0x00000001 -#define CONFIRM 0x00000002 -#define OPEN_STATE 0x00000004 -#define LOCK_STATE 0x00000008 -#define RD_STATE 0x00000010 -#define WR_STATE 0x00000020 -#define CLOSE_STATE 0x00000040 - -#define seqid_mutating_err(err) \ - (((err) != nfserr_stale_clientid) && \ - ((err) != nfserr_bad_seqid) && \ - ((err) != nfserr_stale_stateid) && \ - ((err) != nfserr_bad_stateid)) - -struct nfsd4_compound_state; - -extern __be32 nfs4_preprocess_stateid_op(struct nfsd4_compound_state *cstate, - stateid_t *stateid, int flags, struct file **filp); -extern void nfs4_lock_state(void); -extern void nfs4_unlock_state(void); -extern int nfs4_in_grace(void); -extern __be32 nfs4_check_open_reclaim(clientid_t *clid); -extern void put_nfs4_client(struct nfs4_client *clp); -extern void nfs4_free_stateowner(struct kref *kref); -extern int set_callback_cred(void); -extern void nfsd4_probe_callback(struct nfs4_client *clp); -extern void nfsd4_cb_recall(struct nfs4_delegation *dp); -extern void nfs4_put_delegation(struct nfs4_delegation *dp); -extern __be32 nfs4_make_rec_clidname(char *clidname, struct xdr_netobj *clname); -extern void nfsd4_init_recdir(char *recdir_name); -extern int nfsd4_recdir_load(void); -extern void nfsd4_shutdown_recdir(void); -extern int nfs4_client_to_reclaim(const char *name); -extern int nfs4_has_reclaimed_state(const char *name, bool use_exchange_id); -extern void nfsd4_recdir_purge_old(void); -extern int nfsd4_create_clid_dir(struct nfs4_client *clp); -extern void nfsd4_remove_clid_dir(struct nfs4_client *clp); - -static inline void -nfs4_put_stateowner(struct nfs4_stateowner *so) -{ - kref_put(&so->so_ref, nfs4_free_stateowner); -} - -static inline void -nfs4_get_stateowner(struct nfs4_stateowner *so) -{ - kref_get(&so->so_ref); -} - -#endif /* NFSD4_STATE_H */ diff --git a/include/linux/nfsd/syscall.h b/include/linux/nfsd/syscall.h index 7a3b565b898..812bc1e160d 100644 --- a/include/linux/nfsd/syscall.h +++ b/include/linux/nfsd/syscall.h @@ -9,14 +9,8 @@ #ifndef NFSD_SYSCALL_H #define NFSD_SYSCALL_H -# include <linux/types.h> -#ifdef __KERNEL__ -# include <linux/in.h> -#endif -#include <linux/posix_types.h> -#include <linux/nfsd/const.h> +#include <linux/types.h> #include <linux/nfsd/export.h> -#include <linux/nfsd/nfsfh.h> /* * Version of the syscall interface diff --git a/include/linux/nfsd/xdr.h b/include/linux/nfsd/xdr.h deleted file mode 100644 index a0132ef58f2..00000000000 --- a/include/linux/nfsd/xdr.h +++ /dev/null @@ -1,177 +0,0 @@ -/* - * linux/include/linux/nfsd/xdr.h - * - * XDR types for nfsd. This is mainly a typing exercise. - */ - -#ifndef LINUX_NFSD_H -#define LINUX_NFSD_H - -#include <linux/fs.h> -#include <linux/vfs.h> -#include <linux/nfs.h> - -struct nfsd_fhandle { - struct svc_fh fh; -}; - -struct nfsd_sattrargs { - struct svc_fh fh; - struct iattr attrs; -}; - -struct nfsd_diropargs { - struct svc_fh fh; - char * name; - unsigned int len; -}; - -struct nfsd_readargs { - struct svc_fh fh; - __u32 offset; - __u32 count; - int vlen; -}; - -struct nfsd_writeargs { - svc_fh fh; - __u32 offset; - int len; - int vlen; -}; - -struct nfsd_createargs { - struct svc_fh fh; - char * name; - unsigned int len; - struct iattr attrs; -}; - -struct nfsd_renameargs { - struct svc_fh ffh; - char * fname; - unsigned int flen; - struct svc_fh tfh; - char * tname; - unsigned int tlen; -}; - -struct nfsd_readlinkargs { - struct svc_fh fh; - char * buffer; -}; - -struct nfsd_linkargs { - struct svc_fh ffh; - struct svc_fh tfh; - char * tname; - unsigned int tlen; -}; - -struct nfsd_symlinkargs { - struct svc_fh ffh; - char * fname; - unsigned int flen; - char * tname; - unsigned int tlen; - struct iattr attrs; -}; - -struct nfsd_readdirargs { - struct svc_fh fh; - __u32 cookie; - __u32 count; - __be32 * buffer; -}; - -struct nfsd_attrstat { - struct svc_fh fh; - struct kstat stat; -}; - -struct nfsd_diropres { - struct svc_fh fh; - struct kstat stat; -}; - -struct nfsd_readlinkres { - int len; -}; - -struct nfsd_readres { - struct svc_fh fh; - unsigned long count; - struct kstat stat; -}; - -struct nfsd_readdirres { - int count; - - struct readdir_cd common; - __be32 * buffer; - int buflen; - __be32 * offset; -}; - -struct nfsd_statfsres { - struct kstatfs stats; -}; - -/* - * Storage requirements for XDR arguments and results. - */ -union nfsd_xdrstore { - struct nfsd_sattrargs sattr; - struct nfsd_diropargs dirop; - struct nfsd_readargs read; - struct nfsd_writeargs write; - struct nfsd_createargs create; - struct nfsd_renameargs rename; - struct nfsd_linkargs link; - struct nfsd_symlinkargs symlink; - struct nfsd_readdirargs readdir; -}; - -#define NFS2_SVC_XDRSIZE sizeof(union nfsd_xdrstore) - - -int nfssvc_decode_void(struct svc_rqst *, __be32 *, void *); -int nfssvc_decode_fhandle(struct svc_rqst *, __be32 *, struct nfsd_fhandle *); -int nfssvc_decode_sattrargs(struct svc_rqst *, __be32 *, - struct nfsd_sattrargs *); -int nfssvc_decode_diropargs(struct svc_rqst *, __be32 *, - struct nfsd_diropargs *); -int nfssvc_decode_readargs(struct svc_rqst *, __be32 *, - struct nfsd_readargs *); -int nfssvc_decode_writeargs(struct svc_rqst *, __be32 *, - struct nfsd_writeargs *); -int nfssvc_decode_createargs(struct svc_rqst *, __be32 *, - struct nfsd_createargs *); -int nfssvc_decode_renameargs(struct svc_rqst *, __be32 *, - struct nfsd_renameargs *); -int nfssvc_decode_readlinkargs(struct svc_rqst *, __be32 *, - struct nfsd_readlinkargs *); -int nfssvc_decode_linkargs(struct svc_rqst *, __be32 *, - struct nfsd_linkargs *); -int nfssvc_decode_symlinkargs(struct svc_rqst *, __be32 *, - struct nfsd_symlinkargs *); -int nfssvc_decode_readdirargs(struct svc_rqst *, __be32 *, - struct nfsd_readdirargs *); -int nfssvc_encode_void(struct svc_rqst *, __be32 *, void *); -int nfssvc_encode_attrstat(struct svc_rqst *, __be32 *, struct nfsd_attrstat *); -int nfssvc_encode_diropres(struct svc_rqst *, __be32 *, struct nfsd_diropres *); -int nfssvc_encode_readlinkres(struct svc_rqst *, __be32 *, struct nfsd_readlinkres *); -int nfssvc_encode_readres(struct svc_rqst *, __be32 *, struct nfsd_readres *); -int nfssvc_encode_statfsres(struct svc_rqst *, __be32 *, struct nfsd_statfsres *); -int nfssvc_encode_readdirres(struct svc_rqst *, __be32 *, struct nfsd_readdirres *); - -int nfssvc_encode_entry(void *, const char *name, - int namlen, loff_t offset, u64 ino, unsigned int); - -int nfssvc_release_fhandle(struct svc_rqst *, __be32 *, struct nfsd_fhandle *); - -/* Helper functions for NFSv2 ACL code */ -__be32 *nfs2svc_encode_fattr(struct svc_rqst *rqstp, __be32 *p, struct svc_fh *fhp); -__be32 *nfs2svc_decode_fh(__be32 *p, struct svc_fh *fhp); - -#endif /* LINUX_NFSD_H */ diff --git a/include/linux/nfsd/xdr3.h b/include/linux/nfsd/xdr3.h deleted file mode 100644 index 421eddd65a2..00000000000 --- a/include/linux/nfsd/xdr3.h +++ /dev/null @@ -1,346 +0,0 @@ -/* - * linux/include/linux/nfsd/xdr3.h - * - * XDR types for NFSv3 in nfsd. - * - * Copyright (C) 1996-1998, Olaf Kirch <okir@monad.swb.de> - */ - -#ifndef _LINUX_NFSD_XDR3_H -#define _LINUX_NFSD_XDR3_H - -#include <linux/nfsd/xdr.h> - -struct nfsd3_sattrargs { - struct svc_fh fh; - struct iattr attrs; - int check_guard; - time_t guardtime; -}; - -struct nfsd3_diropargs { - struct svc_fh fh; - char * name; - unsigned int len; -}; - -struct nfsd3_accessargs { - struct svc_fh fh; - unsigned int access; -}; - -struct nfsd3_readargs { - struct svc_fh fh; - __u64 offset; - __u32 count; - int vlen; -}; - -struct nfsd3_writeargs { - svc_fh fh; - __u64 offset; - __u32 count; - int stable; - __u32 len; - int vlen; -}; - -struct nfsd3_createargs { - struct svc_fh fh; - char * name; - unsigned int len; - int createmode; - struct iattr attrs; - __be32 * verf; -}; - -struct nfsd3_mknodargs { - struct svc_fh fh; - char * name; - unsigned int len; - __u32 ftype; - __u32 major, minor; - struct iattr attrs; -}; - -struct nfsd3_renameargs { - struct svc_fh ffh; - char * fname; - unsigned int flen; - struct svc_fh tfh; - char * tname; - unsigned int tlen; -}; - -struct nfsd3_readlinkargs { - struct svc_fh fh; - char * buffer; -}; - -struct nfsd3_linkargs { - struct svc_fh ffh; - struct svc_fh tfh; - char * tname; - unsigned int tlen; -}; - -struct nfsd3_symlinkargs { - struct svc_fh ffh; - char * fname; - unsigned int flen; - char * tname; - unsigned int tlen; - struct iattr attrs; -}; - -struct nfsd3_readdirargs { - struct svc_fh fh; - __u64 cookie; - __u32 dircount; - __u32 count; - __be32 * verf; - __be32 * buffer; -}; - -struct nfsd3_commitargs { - struct svc_fh fh; - __u64 offset; - __u32 count; -}; - -struct nfsd3_getaclargs { - struct svc_fh fh; - int mask; -}; - -struct posix_acl; -struct nfsd3_setaclargs { - struct svc_fh fh; - int mask; - struct posix_acl *acl_access; - struct posix_acl *acl_default; -}; - -struct nfsd3_attrstat { - __be32 status; - struct svc_fh fh; - struct kstat stat; -}; - -/* LOOKUP, CREATE, MKDIR, SYMLINK, MKNOD */ -struct nfsd3_diropres { - __be32 status; - struct svc_fh dirfh; - struct svc_fh fh; -}; - -struct nfsd3_accessres { - __be32 status; - struct svc_fh fh; - __u32 access; -}; - -struct nfsd3_readlinkres { - __be32 status; - struct svc_fh fh; - __u32 len; -}; - -struct nfsd3_readres { - __be32 status; - struct svc_fh fh; - unsigned long count; - int eof; -}; - -struct nfsd3_writeres { - __be32 status; - struct svc_fh fh; - unsigned long count; - int committed; -}; - -struct nfsd3_renameres { - __be32 status; - struct svc_fh ffh; - struct svc_fh tfh; -}; - -struct nfsd3_linkres { - __be32 status; - struct svc_fh tfh; - struct svc_fh fh; -}; - -struct nfsd3_readdirres { - __be32 status; - struct svc_fh fh; - int count; - __be32 verf[2]; - - struct readdir_cd common; - __be32 * buffer; - int buflen; - __be32 * offset; - __be32 * offset1; - struct svc_rqst * rqstp; - -}; - -struct nfsd3_fsstatres { - __be32 status; - struct kstatfs stats; - __u32 invarsec; -}; - -struct nfsd3_fsinfores { - __be32 status; - __u32 f_rtmax; - __u32 f_rtpref; - __u32 f_rtmult; - __u32 f_wtmax; - __u32 f_wtpref; - __u32 f_wtmult; - __u32 f_dtpref; - __u64 f_maxfilesize; - __u32 f_properties; -}; - -struct nfsd3_pathconfres { - __be32 status; - __u32 p_link_max; - __u32 p_name_max; - __u32 p_no_trunc; - __u32 p_chown_restricted; - __u32 p_case_insensitive; - __u32 p_case_preserving; -}; - -struct nfsd3_commitres { - __be32 status; - struct svc_fh fh; -}; - -struct nfsd3_getaclres { - __be32 status; - struct svc_fh fh; - int mask; - struct posix_acl *acl_access; - struct posix_acl *acl_default; -}; - -/* dummy type for release */ -struct nfsd3_fhandle_pair { - __u32 dummy; - struct svc_fh fh1; - struct svc_fh fh2; -}; - -/* - * Storage requirements for XDR arguments and results. - */ -union nfsd3_xdrstore { - struct nfsd3_sattrargs sattrargs; - struct nfsd3_diropargs diropargs; - struct nfsd3_readargs readargs; - struct nfsd3_writeargs writeargs; - struct nfsd3_createargs createargs; - struct nfsd3_renameargs renameargs; - struct nfsd3_linkargs linkargs; - struct nfsd3_symlinkargs symlinkargs; - struct nfsd3_readdirargs readdirargs; - struct nfsd3_diropres diropres; - struct nfsd3_accessres accessres; - struct nfsd3_readlinkres readlinkres; - struct nfsd3_readres readres; - struct nfsd3_writeres writeres; - struct nfsd3_renameres renameres; - struct nfsd3_linkres linkres; - struct nfsd3_readdirres readdirres; - struct nfsd3_fsstatres fsstatres; - struct nfsd3_fsinfores fsinfores; - struct nfsd3_pathconfres pathconfres; - struct nfsd3_commitres commitres; - struct nfsd3_getaclres getaclres; -}; - -#define NFS3_SVC_XDRSIZE sizeof(union nfsd3_xdrstore) - -int nfs3svc_decode_fhandle(struct svc_rqst *, __be32 *, struct nfsd_fhandle *); -int nfs3svc_decode_sattrargs(struct svc_rqst *, __be32 *, - struct nfsd3_sattrargs *); -int nfs3svc_decode_diropargs(struct svc_rqst *, __be32 *, - struct nfsd3_diropargs *); -int nfs3svc_decode_accessargs(struct svc_rqst *, __be32 *, - struct nfsd3_accessargs *); -int nfs3svc_decode_readargs(struct svc_rqst *, __be32 *, - struct nfsd3_readargs *); -int nfs3svc_decode_writeargs(struct svc_rqst *, __be32 *, - struct nfsd3_writeargs *); -int nfs3svc_decode_createargs(struct svc_rqst *, __be32 *, - struct nfsd3_createargs *); -int nfs3svc_decode_mkdirargs(struct svc_rqst *, __be32 *, - struct nfsd3_createargs *); -int nfs3svc_decode_mknodargs(struct svc_rqst *, __be32 *, - struct nfsd3_mknodargs *); -int nfs3svc_decode_renameargs(struct svc_rqst *, __be32 *, - struct nfsd3_renameargs *); -int nfs3svc_decode_readlinkargs(struct svc_rqst *, __be32 *, - struct nfsd3_readlinkargs *); -int nfs3svc_decode_linkargs(struct svc_rqst *, __be32 *, - struct nfsd3_linkargs *); -int nfs3svc_decode_symlinkargs(struct svc_rqst *, __be32 *, - struct nfsd3_symlinkargs *); -int nfs3svc_decode_readdirargs(struct svc_rqst *, __be32 *, - struct nfsd3_readdirargs *); -int nfs3svc_decode_readdirplusargs(struct svc_rqst *, __be32 *, - struct nfsd3_readdirargs *); -int nfs3svc_decode_commitargs(struct svc_rqst *, __be32 *, - struct nfsd3_commitargs *); -int nfs3svc_encode_voidres(struct svc_rqst *, __be32 *, void *); -int nfs3svc_encode_attrstat(struct svc_rqst *, __be32 *, - struct nfsd3_attrstat *); -int nfs3svc_encode_wccstat(struct svc_rqst *, __be32 *, - struct nfsd3_attrstat *); -int nfs3svc_encode_diropres(struct svc_rqst *, __be32 *, - struct nfsd3_diropres *); -int nfs3svc_encode_accessres(struct svc_rqst *, __be32 *, - struct nfsd3_accessres *); -int nfs3svc_encode_readlinkres(struct svc_rqst *, __be32 *, - struct nfsd3_readlinkres *); -int nfs3svc_encode_readres(struct svc_rqst *, __be32 *, struct nfsd3_readres *); -int nfs3svc_encode_writeres(struct svc_rqst *, __be32 *, struct nfsd3_writeres *); -int nfs3svc_encode_createres(struct svc_rqst *, __be32 *, - struct nfsd3_diropres *); -int nfs3svc_encode_renameres(struct svc_rqst *, __be32 *, - struct nfsd3_renameres *); -int nfs3svc_encode_linkres(struct svc_rqst *, __be32 *, - struct nfsd3_linkres *); -int nfs3svc_encode_readdirres(struct svc_rqst *, __be32 *, - struct nfsd3_readdirres *); -int nfs3svc_encode_fsstatres(struct svc_rqst *, __be32 *, - struct nfsd3_fsstatres *); -int nfs3svc_encode_fsinfores(struct svc_rqst *, __be32 *, - struct nfsd3_fsinfores *); -int nfs3svc_encode_pathconfres(struct svc_rqst *, __be32 *, - struct nfsd3_pathconfres *); -int nfs3svc_encode_commitres(struct svc_rqst *, __be32 *, - struct nfsd3_commitres *); - -int nfs3svc_release_fhandle(struct svc_rqst *, __be32 *, - struct nfsd3_attrstat *); -int nfs3svc_release_fhandle2(struct svc_rqst *, __be32 *, - struct nfsd3_fhandle_pair *); -int nfs3svc_encode_entry(void *, const char *name, - int namlen, loff_t offset, u64 ino, - unsigned int); -int nfs3svc_encode_entry_plus(void *, const char *name, - int namlen, loff_t offset, u64 ino, - unsigned int); -/* Helper functions for NFSv3 ACL code */ -__be32 *nfs3svc_encode_post_op_attr(struct svc_rqst *rqstp, __be32 *p, - struct svc_fh *fhp); -__be32 *nfs3svc_decode_fh(__be32 *p, struct svc_fh *fhp); - - -#endif /* _LINUX_NFSD_XDR3_H */ diff --git a/include/linux/nfsd/xdr4.h b/include/linux/nfsd/xdr4.h deleted file mode 100644 index 73164c2b3d2..00000000000 --- a/include/linux/nfsd/xdr4.h +++ /dev/null @@ -1,563 +0,0 @@ -/* - * include/linux/nfsd/xdr4.h - * - * Server-side types for NFSv4. - * - * Copyright (c) 2002 The Regents of the University of Michigan. - * All rights reserved. - * - * Kendrick Smith <kmsmith@umich.edu> - * Andy Adamson <andros@umich.edu> - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its - * contributors may be used to endorse or promote products derived - * from this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED - * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE - * DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR - * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - */ - -#ifndef _LINUX_NFSD_XDR4_H -#define _LINUX_NFSD_XDR4_H - -#include <linux/nfs4.h> - -#define NFSD4_MAX_TAGLEN 128 -#define XDR_LEN(n) (((n) + 3) & ~3) - -struct nfsd4_compound_state { - struct svc_fh current_fh; - struct svc_fh save_fh; - struct nfs4_stateowner *replay_owner; - /* For sessions DRC */ - struct nfsd4_session *session; - struct nfsd4_slot *slot; - __be32 *datap; - size_t iovlen; - u32 minorversion; - u32 status; -}; - -static inline bool nfsd4_has_session(struct nfsd4_compound_state *cs) -{ - return cs->slot != NULL; -} - -struct nfsd4_change_info { - u32 atomic; - bool change_supported; - u32 before_ctime_sec; - u32 before_ctime_nsec; - u64 before_change; - u32 after_ctime_sec; - u32 after_ctime_nsec; - u64 after_change; -}; - -struct nfsd4_access { - u32 ac_req_access; /* request */ - u32 ac_supported; /* response */ - u32 ac_resp_access; /* response */ -}; - -struct nfsd4_close { - u32 cl_seqid; /* request */ - stateid_t cl_stateid; /* request+response */ - struct nfs4_stateowner * cl_stateowner; /* response */ -}; - -struct nfsd4_commit { - u64 co_offset; /* request */ - u32 co_count; /* request */ - nfs4_verifier co_verf; /* response */ -}; - -struct nfsd4_create { - u32 cr_namelen; /* request */ - char * cr_name; /* request */ - u32 cr_type; /* request */ - union { /* request */ - struct { - u32 namelen; - char *name; - } link; /* NF4LNK */ - struct { - u32 specdata1; - u32 specdata2; - } dev; /* NF4BLK, NF4CHR */ - } u; - u32 cr_bmval[3]; /* request */ - struct iattr cr_iattr; /* request */ - struct nfsd4_change_info cr_cinfo; /* response */ - struct nfs4_acl *cr_acl; -}; -#define cr_linklen u.link.namelen -#define cr_linkname u.link.name -#define cr_specdata1 u.dev.specdata1 -#define cr_specdata2 u.dev.specdata2 - -struct nfsd4_delegreturn { - stateid_t dr_stateid; -}; - -struct nfsd4_getattr { - u32 ga_bmval[3]; /* request */ - struct svc_fh *ga_fhp; /* response */ -}; - -struct nfsd4_link { - u32 li_namelen; /* request */ - char * li_name; /* request */ - struct nfsd4_change_info li_cinfo; /* response */ -}; - -struct nfsd4_lock_denied { - clientid_t ld_clientid; - struct nfs4_stateowner *ld_sop; - u64 ld_start; - u64 ld_length; - u32 ld_type; -}; - -struct nfsd4_lock { - /* request */ - u32 lk_type; - u32 lk_reclaim; /* boolean */ - u64 lk_offset; - u64 lk_length; - u32 lk_is_new; - union { - struct { - u32 open_seqid; - stateid_t open_stateid; - u32 lock_seqid; - clientid_t clientid; - struct xdr_netobj owner; - } new; - struct { - stateid_t lock_stateid; - u32 lock_seqid; - } old; - } v; - - /* response */ - union { - struct { - stateid_t stateid; - } ok; - struct nfsd4_lock_denied denied; - } u; - /* The lk_replay_owner is the open owner in the open_to_lock_owner - * case and the lock owner otherwise: */ - struct nfs4_stateowner *lk_replay_owner; -}; -#define lk_new_open_seqid v.new.open_seqid -#define lk_new_open_stateid v.new.open_stateid -#define lk_new_lock_seqid v.new.lock_seqid -#define lk_new_clientid v.new.clientid -#define lk_new_owner v.new.owner -#define lk_old_lock_stateid v.old.lock_stateid -#define lk_old_lock_seqid v.old.lock_seqid - -#define lk_rflags u.ok.rflags -#define lk_resp_stateid u.ok.stateid -#define lk_denied u.denied - - -struct nfsd4_lockt { - u32 lt_type; - clientid_t lt_clientid; - struct xdr_netobj lt_owner; - u64 lt_offset; - u64 lt_length; - struct nfs4_stateowner * lt_stateowner; - struct nfsd4_lock_denied lt_denied; -}; - - -struct nfsd4_locku { - u32 lu_type; - u32 lu_seqid; - stateid_t lu_stateid; - u64 lu_offset; - u64 lu_length; - struct nfs4_stateowner *lu_stateowner; -}; - - -struct nfsd4_lookup { - u32 lo_len; /* request */ - char * lo_name; /* request */ -}; - -struct nfsd4_putfh { - u32 pf_fhlen; /* request */ - char *pf_fhval; /* request */ -}; - -struct nfsd4_open { - u32 op_claim_type; /* request */ - struct xdr_netobj op_fname; /* request - everything but CLAIM_PREV */ - u32 op_delegate_type; /* request - CLAIM_PREV only */ - stateid_t op_delegate_stateid; /* request - response */ - u32 op_create; /* request */ - u32 op_createmode; /* request */ - u32 op_bmval[3]; /* request */ - struct iattr iattr; /* UNCHECKED4, GUARDED4, EXCLUSIVE4_1 */ - nfs4_verifier verf; /* EXCLUSIVE4 */ - clientid_t op_clientid; /* request */ - struct xdr_netobj op_owner; /* request */ - u32 op_seqid; /* request */ - u32 op_share_access; /* request */ - u32 op_share_deny; /* request */ - stateid_t op_stateid; /* response */ - u32 op_recall; /* recall */ - struct nfsd4_change_info op_cinfo; /* response */ - u32 op_rflags; /* response */ - int op_truncate; /* used during processing */ - struct nfs4_stateowner *op_stateowner; /* used during processing */ - struct nfs4_acl *op_acl; -}; -#define op_iattr iattr -#define op_verf verf - -struct nfsd4_open_confirm { - stateid_t oc_req_stateid /* request */; - u32 oc_seqid /* request */; - stateid_t oc_resp_stateid /* response */; - struct nfs4_stateowner * oc_stateowner; /* response */ -}; - -struct nfsd4_open_downgrade { - stateid_t od_stateid; - u32 od_seqid; - u32 od_share_access; - u32 od_share_deny; - struct nfs4_stateowner *od_stateowner; -}; - - -struct nfsd4_read { - stateid_t rd_stateid; /* request */ - u64 rd_offset; /* request */ - u32 rd_length; /* request */ - int rd_vlen; - struct file *rd_filp; - - struct svc_rqst *rd_rqstp; /* response */ - struct svc_fh * rd_fhp; /* response */ -}; - -struct nfsd4_readdir { - u64 rd_cookie; /* request */ - nfs4_verifier rd_verf; /* request */ - u32 rd_dircount; /* request */ - u32 rd_maxcount; /* request */ - u32 rd_bmval[3]; /* request */ - struct svc_rqst *rd_rqstp; /* response */ - struct svc_fh * rd_fhp; /* response */ - - struct readdir_cd common; - __be32 * buffer; - int buflen; - __be32 * offset; -}; - -struct nfsd4_release_lockowner { - clientid_t rl_clientid; - struct xdr_netobj rl_owner; -}; -struct nfsd4_readlink { - struct svc_rqst *rl_rqstp; /* request */ - struct svc_fh * rl_fhp; /* request */ -}; - -struct nfsd4_remove { - u32 rm_namelen; /* request */ - char * rm_name; /* request */ - struct nfsd4_change_info rm_cinfo; /* response */ -}; - -struct nfsd4_rename { - u32 rn_snamelen; /* request */ - char * rn_sname; /* request */ - u32 rn_tnamelen; /* request */ - char * rn_tname; /* request */ - struct nfsd4_change_info rn_sinfo; /* response */ - struct nfsd4_change_info rn_tinfo; /* response */ -}; - -struct nfsd4_secinfo { - u32 si_namelen; /* request */ - char *si_name; /* request */ - struct svc_export *si_exp; /* response */ -}; - -struct nfsd4_setattr { - stateid_t sa_stateid; /* request */ - u32 sa_bmval[3]; /* request */ - struct iattr sa_iattr; /* request */ - struct nfs4_acl *sa_acl; -}; - -struct nfsd4_setclientid { - nfs4_verifier se_verf; /* request */ - u32 se_namelen; /* request */ - char * se_name; /* request */ - u32 se_callback_prog; /* request */ - u32 se_callback_netid_len; /* request */ - char * se_callback_netid_val; /* request */ - u32 se_callback_addr_len; /* request */ - char * se_callback_addr_val; /* request */ - u32 se_callback_ident; /* request */ - clientid_t se_clientid; /* response */ - nfs4_verifier se_confirm; /* response */ -}; - -struct nfsd4_setclientid_confirm { - clientid_t sc_clientid; - nfs4_verifier sc_confirm; -}; - -/* also used for NVERIFY */ -struct nfsd4_verify { - u32 ve_bmval[3]; /* request */ - u32 ve_attrlen; /* request */ - char * ve_attrval; /* request */ -}; - -struct nfsd4_write { - stateid_t wr_stateid; /* request */ - u64 wr_offset; /* request */ - u32 wr_stable_how; /* request */ - u32 wr_buflen; /* request */ - int wr_vlen; - - u32 wr_bytes_written; /* response */ - u32 wr_how_written; /* response */ - nfs4_verifier wr_verifier; /* response */ -}; - -struct nfsd4_exchange_id { - nfs4_verifier verifier; - struct xdr_netobj clname; - u32 flags; - clientid_t clientid; - u32 seqid; - int spa_how; -}; - -struct nfsd4_sequence { - struct nfs4_sessionid sessionid; /* request/response */ - u32 seqid; /* request/response */ - u32 slotid; /* request/response */ - u32 maxslots; /* request/response */ - u32 cachethis; /* request */ -#if 0 - u32 target_maxslots; /* response */ - u32 status_flags; /* response */ -#endif /* not yet */ -}; - -struct nfsd4_destroy_session { - struct nfs4_sessionid sessionid; -}; - -struct nfsd4_op { - int opnum; - __be32 status; - union { - struct nfsd4_access access; - struct nfsd4_close close; - struct nfsd4_commit commit; - struct nfsd4_create create; - struct nfsd4_delegreturn delegreturn; - struct nfsd4_getattr getattr; - struct svc_fh * getfh; - struct nfsd4_link link; - struct nfsd4_lock lock; - struct nfsd4_lockt lockt; - struct nfsd4_locku locku; - struct nfsd4_lookup lookup; - struct nfsd4_verify nverify; - struct nfsd4_open open; - struct nfsd4_open_confirm open_confirm; - struct nfsd4_open_downgrade open_downgrade; - struct nfsd4_putfh putfh; - struct nfsd4_read read; - struct nfsd4_readdir readdir; - struct nfsd4_readlink readlink; - struct nfsd4_remove remove; - struct nfsd4_rename rename; - clientid_t renew; - struct nfsd4_secinfo secinfo; - struct nfsd4_setattr setattr; - struct nfsd4_setclientid setclientid; - struct nfsd4_setclientid_confirm setclientid_confirm; - struct nfsd4_verify verify; - struct nfsd4_write write; - struct nfsd4_release_lockowner release_lockowner; - - /* NFSv4.1 */ - struct nfsd4_exchange_id exchange_id; - struct nfsd4_create_session create_session; - struct nfsd4_destroy_session destroy_session; - struct nfsd4_sequence sequence; - } u; - struct nfs4_replay * replay; -}; - -struct nfsd4_compoundargs { - /* scratch variables for XDR decode */ - __be32 * p; - __be32 * end; - struct page ** pagelist; - int pagelen; - __be32 tmp[8]; - __be32 * tmpp; - struct tmpbuf { - struct tmpbuf *next; - void (*release)(const void *); - void *buf; - } *to_free; - - struct svc_rqst *rqstp; - - u32 taglen; - char * tag; - u32 minorversion; - u32 opcnt; - struct nfsd4_op *ops; - struct nfsd4_op iops[8]; -}; - -struct nfsd4_compoundres { - /* scratch variables for XDR encode */ - __be32 * p; - __be32 * end; - struct xdr_buf * xbuf; - struct svc_rqst * rqstp; - - u32 taglen; - char * tag; - u32 opcnt; - __be32 * tagp; /* tag, opcount encode location */ - struct nfsd4_compound_state cstate; -}; - -static inline bool nfsd4_is_solo_sequence(struct nfsd4_compoundres *resp) -{ - struct nfsd4_compoundargs *args = resp->rqstp->rq_argp; - return resp->opcnt == 1 && args->ops[0].opnum == OP_SEQUENCE; -} - -static inline bool nfsd4_not_cached(struct nfsd4_compoundres *resp) -{ - return !resp->cstate.slot->sl_cachethis || nfsd4_is_solo_sequence(resp); -} - -#define NFS4_SVC_XDRSIZE sizeof(struct nfsd4_compoundargs) - -static inline void -set_change_info(struct nfsd4_change_info *cinfo, struct svc_fh *fhp) -{ - BUG_ON(!fhp->fh_pre_saved || !fhp->fh_post_saved); - cinfo->atomic = 1; - cinfo->change_supported = IS_I_VERSION(fhp->fh_dentry->d_inode); - if (cinfo->change_supported) { - cinfo->before_change = fhp->fh_pre_change; - cinfo->after_change = fhp->fh_post_change; - } else { - cinfo->before_ctime_sec = fhp->fh_pre_ctime.tv_sec; - cinfo->before_ctime_nsec = fhp->fh_pre_ctime.tv_nsec; - cinfo->after_ctime_sec = fhp->fh_post_attr.ctime.tv_sec; - cinfo->after_ctime_nsec = fhp->fh_post_attr.ctime.tv_nsec; - } -} - -int nfs4svc_encode_voidres(struct svc_rqst *, __be32 *, void *); -int nfs4svc_decode_compoundargs(struct svc_rqst *, __be32 *, - struct nfsd4_compoundargs *); -int nfs4svc_encode_compoundres(struct svc_rqst *, __be32 *, - struct nfsd4_compoundres *); -void nfsd4_encode_operation(struct nfsd4_compoundres *, struct nfsd4_op *); -void nfsd4_encode_replay(struct nfsd4_compoundres *resp, struct nfsd4_op *op); -__be32 nfsd4_encode_fattr(struct svc_fh *fhp, struct svc_export *exp, - struct dentry *dentry, __be32 *buffer, int *countp, - u32 *bmval, struct svc_rqst *, int ignore_crossmnt); -extern __be32 nfsd4_setclientid(struct svc_rqst *rqstp, - struct nfsd4_compound_state *, - struct nfsd4_setclientid *setclid); -extern __be32 nfsd4_setclientid_confirm(struct svc_rqst *rqstp, - struct nfsd4_compound_state *, - struct nfsd4_setclientid_confirm *setclientid_confirm); -extern void nfsd4_store_cache_entry(struct nfsd4_compoundres *resp); -extern __be32 nfsd4_replay_cache_entry(struct nfsd4_compoundres *resp, - struct nfsd4_sequence *seq); -extern __be32 nfsd4_exchange_id(struct svc_rqst *rqstp, - struct nfsd4_compound_state *, -struct nfsd4_exchange_id *); - extern __be32 nfsd4_create_session(struct svc_rqst *, - struct nfsd4_compound_state *, - struct nfsd4_create_session *); -extern __be32 nfsd4_sequence(struct svc_rqst *, - struct nfsd4_compound_state *, - struct nfsd4_sequence *); -extern __be32 nfsd4_destroy_session(struct svc_rqst *, - struct nfsd4_compound_state *, - struct nfsd4_destroy_session *); -extern __be32 nfsd4_process_open1(struct nfsd4_compound_state *, - struct nfsd4_open *open); -extern __be32 nfsd4_process_open2(struct svc_rqst *rqstp, - struct svc_fh *current_fh, struct nfsd4_open *open); -extern __be32 nfsd4_open_confirm(struct svc_rqst *rqstp, - struct nfsd4_compound_state *, struct nfsd4_open_confirm *oc); -extern __be32 nfsd4_close(struct svc_rqst *rqstp, - struct nfsd4_compound_state *, - struct nfsd4_close *close); -extern __be32 nfsd4_open_downgrade(struct svc_rqst *rqstp, - struct nfsd4_compound_state *, - struct nfsd4_open_downgrade *od); -extern __be32 nfsd4_lock(struct svc_rqst *rqstp, struct nfsd4_compound_state *, - struct nfsd4_lock *lock); -extern __be32 nfsd4_lockt(struct svc_rqst *rqstp, - struct nfsd4_compound_state *, - struct nfsd4_lockt *lockt); -extern __be32 nfsd4_locku(struct svc_rqst *rqstp, - struct nfsd4_compound_state *, - struct nfsd4_locku *locku); -extern __be32 -nfsd4_release_lockowner(struct svc_rqst *rqstp, - struct nfsd4_compound_state *, - struct nfsd4_release_lockowner *rlockowner); -extern void nfsd4_release_compoundargs(struct nfsd4_compoundargs *); -extern __be32 nfsd4_delegreturn(struct svc_rqst *rqstp, - struct nfsd4_compound_state *, struct nfsd4_delegreturn *dr); -extern __be32 nfsd4_renew(struct svc_rqst *rqstp, - struct nfsd4_compound_state *, clientid_t *clid); -#endif - -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ diff --git a/include/linux/node.h b/include/linux/node.h index 681a697b9a8..06292dac3ea 100644 --- a/include/linux/node.h +++ b/include/linux/node.h @@ -21,13 +21,19 @@ #include <linux/sysdev.h> #include <linux/cpumask.h> +#include <linux/workqueue.h> struct node { struct sys_device sysdev; + +#if defined(CONFIG_MEMORY_HOTPLUG_SPARSE) && defined(CONFIG_HUGETLBFS) + struct work_struct node_work; +#endif }; struct memory_block; extern struct node node_devices[]; +typedef void (*node_registration_func_t)(struct node *); extern int register_node(struct node *, int, struct node *); extern void unregister_node(struct node *node); @@ -39,6 +45,11 @@ extern int unregister_cpu_under_node(unsigned int cpu, unsigned int nid); extern int register_mem_sect_under_node(struct memory_block *mem_blk, int nid); extern int unregister_mem_sect_under_nodes(struct memory_block *mem_blk); + +#ifdef CONFIG_HUGETLBFS +extern void register_hugetlbfs_with_node(node_registration_func_t doregister, + node_registration_func_t unregister); +#endif #else static inline int register_one_node(int nid) { @@ -65,6 +76,11 @@ static inline int unregister_mem_sect_under_nodes(struct memory_block *mem_blk) { return 0; } + +static inline void register_hugetlbfs_with_node(node_registration_func_t reg, + node_registration_func_t unreg) +{ +} #endif #define to_node(sys_device) container_of(sys_device, struct node, sysdev) diff --git a/include/linux/nodemask.h b/include/linux/nodemask.h index b359c4a9ec9..454997cccbd 100644 --- a/include/linux/nodemask.h +++ b/include/linux/nodemask.h @@ -245,14 +245,19 @@ static inline int __next_node(int n, const nodemask_t *srcp) return min_t(int,MAX_NUMNODES,find_next_bit(srcp->bits, MAX_NUMNODES, n+1)); } +static inline void init_nodemask_of_node(nodemask_t *mask, int node) +{ + nodes_clear(*mask); + node_set(node, *mask); +} + #define nodemask_of_node(node) \ ({ \ typeof(_unused_nodemask_arg_) m; \ if (sizeof(m) == sizeof(unsigned long)) { \ - m.bits[0] = 1UL<<(node); \ + m.bits[0] = 1UL << (node); \ } else { \ - nodes_clear(m); \ - node_set((node), m); \ + init_nodemask_of_node(&m, (node)); \ } \ m; \ }) @@ -480,15 +485,17 @@ static inline int num_node_state(enum node_states state) #define for_each_online_node(node) for_each_node_state(node, N_ONLINE) /* - * For nodemask scrach area.(See CPUMASK_ALLOC() in cpumask.h) + * For nodemask scrach area. + * NODEMASK_ALLOC(type, name) allocates an object with a specified type and + * name. */ - -#if NODES_SHIFT > 8 /* nodemask_t > 64 bytes */ -#define NODEMASK_ALLOC(x, m) struct x *m = kmalloc(sizeof(*m), GFP_KERNEL) -#define NODEMASK_FREE(m) kfree(m) +#if NODES_SHIFT > 8 /* nodemask_t > 256 bytes */ +#define NODEMASK_ALLOC(type, name, gfp_flags) \ + type *name = kmalloc(sizeof(*name), gfp_flags) +#define NODEMASK_FREE(m) kfree(m) #else -#define NODEMASK_ALLOC(x, m) struct x _m, *m = &_m -#define NODEMASK_FREE(m) +#define NODEMASK_ALLOC(type, name, gfp_flags) type _name, *name = &_name +#define NODEMASK_FREE(m) do {} while (0) #endif /* A example struture for using NODEMASK_ALLOC, used in mempolicy. */ @@ -497,8 +504,10 @@ struct nodemask_scratch { nodemask_t mask2; }; -#define NODEMASK_SCRATCH(x) NODEMASK_ALLOC(nodemask_scratch, x) -#define NODEMASK_SCRATCH_FREE(x) NODEMASK_FREE(x) +#define NODEMASK_SCRATCH(x) \ + NODEMASK_ALLOC(struct nodemask_scratch, x, \ + GFP_KERNEL | __GFP_NORETRY) +#define NODEMASK_SCRATCH_FREE(x) NODEMASK_FREE(x) #endif /* __LINUX_NODEMASK_H */ diff --git a/include/linux/numa.h b/include/linux/numa.h index a31a7301b15..3aaa31603a8 100644 --- a/include/linux/numa.h +++ b/include/linux/numa.h @@ -10,4 +10,6 @@ #define MAX_NUMNODES (1 << NODES_SHIFT) +#define NUMA_NO_NODE (-1) + #endif /* _LINUX_NUMA_H */ diff --git a/include/linux/oom.h b/include/linux/oom.h index 6aac5fe4f6f..53766231562 100644 --- a/include/linux/oom.h +++ b/include/linux/oom.h @@ -10,6 +10,7 @@ #ifdef __KERNEL__ #include <linux/types.h> +#include <linux/nodemask.h> struct zonelist; struct notifier_block; @@ -26,7 +27,8 @@ enum oom_constraint { extern int try_set_zone_oom(struct zonelist *zonelist, gfp_t gfp_flags); extern void clear_zonelist_oom(struct zonelist *zonelist, gfp_t gfp_flags); -extern void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, int order); +extern void out_of_memory(struct zonelist *zonelist, gfp_t gfp_mask, + int order, nodemask_t *mask); extern int register_oom_notifier(struct notifier_block *nb); extern int unregister_oom_notifier(struct notifier_block *nb); diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h index 6b202b17395..49e907bd067 100644 --- a/include/linux/page-flags.h +++ b/include/linux/page-flags.h @@ -99,7 +99,7 @@ enum pageflags { PG_buddy, /* Page is free, on buddy lists */ PG_swapbacked, /* Page is backed by RAM/swap */ PG_unevictable, /* Page is "unevictable" */ -#ifdef CONFIG_HAVE_MLOCKED_PAGE_BIT +#ifdef CONFIG_MMU PG_mlocked, /* Page is vma mlocked */ #endif #ifdef CONFIG_ARCH_USES_PG_UNCACHED @@ -259,12 +259,10 @@ PAGEFLAG_FALSE(SwapCache) PAGEFLAG(Unevictable, unevictable) __CLEARPAGEFLAG(Unevictable, unevictable) TESTCLEARFLAG(Unevictable, unevictable) -#ifdef CONFIG_HAVE_MLOCKED_PAGE_BIT -#define MLOCK_PAGES 1 +#ifdef CONFIG_MMU PAGEFLAG(Mlocked, mlocked) __CLEARPAGEFLAG(Mlocked, mlocked) TESTSCFLAG(Mlocked, mlocked) __TESTCLEARFLAG(Mlocked, mlocked) #else -#define MLOCK_PAGES 0 PAGEFLAG_FALSE(Mlocked) SETPAGEFLAG_NOOP(Mlocked) TESTCLEARFLAG_FALSE(Mlocked) __TESTCLEARFLAG_FALSE(Mlocked) #endif @@ -393,7 +391,7 @@ static inline void __ClearPageTail(struct page *page) #endif /* !PAGEFLAGS_EXTENDED */ -#ifdef CONFIG_HAVE_MLOCKED_PAGE_BIT +#ifdef CONFIG_MMU #define __PG_MLOCKED (1 << PG_mlocked) #else #define __PG_MLOCKED 0 diff --git a/include/linux/page_cgroup.h b/include/linux/page_cgroup.h index 4b938d4f3ac..b0e4eb12623 100644 --- a/include/linux/page_cgroup.h +++ b/include/linux/page_cgroup.h @@ -57,6 +57,8 @@ static inline void ClearPageCgroup##uname(struct page_cgroup *pc) \ static inline int TestClearPageCgroup##uname(struct page_cgroup *pc) \ { return test_and_clear_bit(PCG_##lname, &pc->flags); } +TESTPCGFLAG(Locked, LOCK) + /* Cache flag is set only once (at allocation) */ TESTPCGFLAG(Cache, CACHE) CLEARPCGFLAG(Cache, CACHE) @@ -86,11 +88,6 @@ static inline void lock_page_cgroup(struct page_cgroup *pc) bit_spin_lock(PCG_LOCK, &pc->flags); } -static inline int trylock_page_cgroup(struct page_cgroup *pc) -{ - return bit_spin_trylock(PCG_LOCK, &pc->flags); -} - static inline void unlock_page_cgroup(struct page_cgroup *pc) { bit_spin_unlock(PCG_LOCK, &pc->flags); diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index 64a53f74c9a..da7bdc23f27 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -681,7 +681,7 @@ struct perf_event_context { * Protect the states of the events in the list, * nr_active, and the list: */ - spinlock_t lock; + raw_spinlock_t lock; /* * Protect the list of events. Locking either mutex or lock * is sufficient to ensure the list doesn't change; to change diff --git a/include/linux/plist.h b/include/linux/plist.h index 45926d77d6a..8227f717c70 100644 --- a/include/linux/plist.h +++ b/include/linux/plist.h @@ -81,7 +81,8 @@ struct plist_head { struct list_head prio_list; struct list_head node_list; #ifdef CONFIG_DEBUG_PI_LIST - spinlock_t *lock; + raw_spinlock_t *rawlock; + spinlock_t *spinlock; #endif }; @@ -91,9 +92,11 @@ struct plist_node { }; #ifdef CONFIG_DEBUG_PI_LIST -# define PLIST_HEAD_LOCK_INIT(_lock) .lock = _lock +# define PLIST_HEAD_LOCK_INIT(_lock) .spinlock = _lock +# define PLIST_HEAD_LOCK_INIT_RAW(_lock) .rawlock = _lock #else # define PLIST_HEAD_LOCK_INIT(_lock) +# define PLIST_HEAD_LOCK_INIT_RAW(_lock) #endif #define _PLIST_HEAD_INIT(head) \ @@ -107,11 +110,22 @@ struct plist_node { */ #define PLIST_HEAD_INIT(head, _lock) \ { \ - _PLIST_HEAD_INIT(head), \ + _PLIST_HEAD_INIT(head), \ PLIST_HEAD_LOCK_INIT(&(_lock)) \ } /** + * PLIST_HEAD_INIT_RAW - static struct plist_head initializer + * @head: struct plist_head variable name + * @_lock: lock to initialize for this list + */ +#define PLIST_HEAD_INIT_RAW(head, _lock) \ +{ \ + _PLIST_HEAD_INIT(head), \ + PLIST_HEAD_LOCK_INIT_RAW(&(_lock)) \ +} + +/** * PLIST_NODE_INIT - static struct plist_node initializer * @node: struct plist_node variable name * @__prio: initial node priority @@ -119,13 +133,13 @@ struct plist_node { #define PLIST_NODE_INIT(node, __prio) \ { \ .prio = (__prio), \ - .plist = { _PLIST_HEAD_INIT((node).plist) }, \ + .plist = { _PLIST_HEAD_INIT((node).plist) }, \ } /** * plist_head_init - dynamic struct plist_head initializer * @head: &struct plist_head pointer - * @lock: list spinlock, remembered for debugging + * @lock: spinlock protecting the list (debugging) */ static inline void plist_head_init(struct plist_head *head, spinlock_t *lock) @@ -133,7 +147,24 @@ plist_head_init(struct plist_head *head, spinlock_t *lock) INIT_LIST_HEAD(&head->prio_list); INIT_LIST_HEAD(&head->node_list); #ifdef CONFIG_DEBUG_PI_LIST - head->lock = lock; + head->spinlock = lock; + head->rawlock = NULL; +#endif +} + +/** + * plist_head_init_raw - dynamic struct plist_head initializer + * @head: &struct plist_head pointer + * @lock: raw_spinlock protecting the list (debugging) + */ +static inline void +plist_head_init_raw(struct plist_head *head, raw_spinlock_t *lock) +{ + INIT_LIST_HEAD(&head->prio_list); + INIT_LIST_HEAD(&head->node_list); +#ifdef CONFIG_DEBUG_PI_LIST + head->rawlock = lock; + head->spinlock = NULL; #endif } diff --git a/include/linux/pm.h b/include/linux/pm.h index 0d65934246a..198b8f9fe05 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -219,7 +219,7 @@ struct dev_pm_ops { * to RAM and hibernation. */ #define SIMPLE_DEV_PM_OPS(name, suspend_fn, resume_fn) \ -struct dev_pm_ops name = { \ +const struct dev_pm_ops name = { \ .suspend = suspend_fn, \ .resume = resume_fn, \ .freeze = suspend_fn, \ diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h index 7456d7d87a1..56f2d63a5cb 100644 --- a/include/linux/ptrace.h +++ b/include/linux/ptrace.h @@ -105,12 +105,7 @@ static inline int ptrace_reparented(struct task_struct *child) { return child->real_parent != child->parent; } -static inline void ptrace_link(struct task_struct *child, - struct task_struct *new_parent) -{ - if (unlikely(child->ptrace)) - __ptrace_link(child, new_parent); -} + static inline void ptrace_unlink(struct task_struct *child) { if (unlikely(child->ptrace)) @@ -169,9 +164,9 @@ static inline void ptrace_init_task(struct task_struct *child, bool ptrace) INIT_LIST_HEAD(&child->ptraced); child->parent = child->real_parent; child->ptrace = 0; - if (unlikely(ptrace)) { + if (unlikely(ptrace) && (current->ptrace & PT_PTRACED)) { child->ptrace = current->ptrace; - ptrace_link(child, current->parent); + __ptrace_link(child, current->parent); } } @@ -278,6 +273,18 @@ static inline void user_enable_block_step(struct task_struct *task) } #endif /* arch_has_block_step */ +#ifdef ARCH_HAS_USER_SINGLE_STEP_INFO +extern void user_single_step_siginfo(struct task_struct *tsk, + struct pt_regs *regs, siginfo_t *info); +#else +static inline void user_single_step_siginfo(struct task_struct *tsk, + struct pt_regs *regs, siginfo_t *info) +{ + memset(info, 0, sizeof(*info)); + info->si_signo = SIGTRAP; +} +#endif + #ifndef arch_ptrace_stop_needed /** * arch_ptrace_stop_needed - Decide whether arch_ptrace_stop() should be called diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h index a05b4a20768..c96c1858fe2 100644 --- a/include/linux/reiserfs_fs.h +++ b/include/linux/reiserfs_fs.h @@ -2051,25 +2051,12 @@ void set_de_name_and_namelen(struct reiserfs_dir_entry *de); int search_by_entry_key(struct super_block *sb, const struct cpu_key *key, struct treepath *path, struct reiserfs_dir_entry *de); struct dentry *reiserfs_get_parent(struct dentry *); -/* procfs.c */ - -#if defined( CONFIG_PROC_FS ) && defined( CONFIG_REISERFS_PROC_INFO ) -#define REISERFS_PROC_INFO -#else -#undef REISERFS_PROC_INFO -#endif +#ifdef CONFIG_REISERFS_PROC_INFO int reiserfs_proc_info_init(struct super_block *sb); int reiserfs_proc_info_done(struct super_block *sb); -struct proc_dir_entry *reiserfs_proc_register_global(char *name, - read_proc_t * func); -void reiserfs_proc_unregister_global(const char *name); int reiserfs_proc_info_global_init(void); int reiserfs_proc_info_global_done(void); -int reiserfs_global_version_in_proc(char *buffer, char **start, off_t offset, - int count, int *eof, void *data); - -#if defined( REISERFS_PROC_INFO ) #define PROC_EXP( e ) e @@ -2084,6 +2071,26 @@ int reiserfs_global_version_in_proc(char *buffer, char **start, off_t offset, PROC_INFO_ADD( sb, free_at[ ( level ) ], B_FREE_SPACE( bh ) ); \ PROC_INFO_ADD( sb, items_at[ ( level ) ], B_NR_ITEMS( bh ) ) #else +static inline int reiserfs_proc_info_init(struct super_block *sb) +{ + return 0; +} + +static inline int reiserfs_proc_info_done(struct super_block *sb) +{ + return 0; +} + +static inline int reiserfs_proc_info_global_init(void) +{ + return 0; +} + +static inline int reiserfs_proc_info_global_done(void) +{ + return 0; +} + #define PROC_EXP( e ) #define VOID_V ( ( void ) 0 ) #define PROC_INFO_MAX( sb, field, value ) VOID_V diff --git a/include/linux/rmap.h b/include/linux/rmap.h index cb0ba703260..b019ae64e2a 100644 --- a/include/linux/rmap.h +++ b/include/linux/rmap.h @@ -26,6 +26,9 @@ */ struct anon_vma { spinlock_t lock; /* Serialize access to vma list */ +#ifdef CONFIG_KSM + atomic_t ksm_refcount; +#endif /* * NOTE: the LSB of the head.next is set by * mm_take_all_locks() _after_ taking the above lock. So the @@ -38,6 +41,34 @@ struct anon_vma { }; #ifdef CONFIG_MMU +#ifdef CONFIG_KSM +static inline void ksm_refcount_init(struct anon_vma *anon_vma) +{ + atomic_set(&anon_vma->ksm_refcount, 0); +} + +static inline int ksm_refcount(struct anon_vma *anon_vma) +{ + return atomic_read(&anon_vma->ksm_refcount); +} +#else +static inline void ksm_refcount_init(struct anon_vma *anon_vma) +{ +} + +static inline int ksm_refcount(struct anon_vma *anon_vma) +{ + return 0; +} +#endif /* CONFIG_KSM */ + +static inline struct anon_vma *page_anon_vma(struct page *page) +{ + if (((unsigned long)page->mapping & PAGE_MAPPING_FLAGS) != + PAGE_MAPPING_ANON) + return NULL; + return page_rmapping(page); +} static inline void anon_vma_lock(struct vm_area_struct *vma) { @@ -62,6 +93,7 @@ void __anon_vma_merge(struct vm_area_struct *, struct vm_area_struct *); void anon_vma_unlink(struct vm_area_struct *); void anon_vma_link(struct vm_area_struct *); void __anon_vma_link(struct vm_area_struct *); +void anon_vma_free(struct anon_vma *); /* * rmap interfaces called when adding or removing pte of page @@ -81,6 +113,9 @@ static inline void page_dup_rmap(struct page *page) */ int page_referenced(struct page *, int is_locked, struct mem_cgroup *cnt, unsigned long *vm_flags); +int page_referenced_one(struct page *, struct vm_area_struct *, + unsigned long address, unsigned int *mapcount, unsigned long *vm_flags); + enum ttu_flags { TTU_UNMAP = 0, /* unmap mode */ TTU_MIGRATION = 1, /* migration mode */ @@ -94,6 +129,8 @@ enum ttu_flags { #define TTU_ACTION(x) ((x) & TTU_ACTION_MASK) int try_to_unmap(struct page *, enum ttu_flags flags); +int try_to_unmap_one(struct page *, struct vm_area_struct *, + unsigned long address, enum ttu_flags flags); /* * Called from mm/filemap_xip.c to unmap empty zero page @@ -127,6 +164,12 @@ struct anon_vma *page_lock_anon_vma(struct page *page); void page_unlock_anon_vma(struct anon_vma *anon_vma); int page_mapped_in_vma(struct page *page, struct vm_area_struct *vma); +/* + * Called by migrate.c to remove migration ptes, but might be used more later. + */ +int rmap_walk(struct page *page, int (*rmap_one)(struct page *, + struct vm_area_struct *, unsigned long, void *), void *arg); + #else /* !CONFIG_MMU */ #define anon_vma_init() do {} while (0) diff --git a/include/linux/rtmutex.h b/include/linux/rtmutex.h index f19b00b7d53..281d8fd775e 100644 --- a/include/linux/rtmutex.h +++ b/include/linux/rtmutex.h @@ -24,7 +24,7 @@ * @owner: the mutex owner */ struct rt_mutex { - spinlock_t wait_lock; + raw_spinlock_t wait_lock; struct plist_head wait_list; struct task_struct *owner; #ifdef CONFIG_DEBUG_RT_MUTEXES @@ -63,8 +63,8 @@ struct hrtimer_sleeper; #endif #define __RT_MUTEX_INITIALIZER(mutexname) \ - { .wait_lock = __SPIN_LOCK_UNLOCKED(mutexname.wait_lock) \ - , .wait_list = PLIST_HEAD_INIT(mutexname.wait_list, mutexname.wait_lock) \ + { .wait_lock = __RAW_SPIN_LOCK_UNLOCKED(mutexname.wait_lock) \ + , .wait_list = PLIST_HEAD_INIT_RAW(mutexname.wait_list, mutexname.wait_lock) \ , .owner = NULL \ __DEBUG_RT_MUTEX_INITIALIZER(mutexname)} diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h index 14fc906ed60..05330fc5b43 100644 --- a/include/linux/rtnetlink.h +++ b/include/linux/rtnetlink.h @@ -368,11 +368,9 @@ enum { #define RTAX_MAX (__RTAX_MAX - 1) #define RTAX_FEATURE_ECN 0x00000001 -#define RTAX_FEATURE_NO_SACK 0x00000002 -#define RTAX_FEATURE_NO_TSTAMP 0x00000004 +#define RTAX_FEATURE_SACK 0x00000002 +#define RTAX_FEATURE_TIMESTAMP 0x00000004 #define RTAX_FEATURE_ALLFRAG 0x00000008 -#define RTAX_FEATURE_NO_WSCALE 0x00000010 -#define RTAX_FEATURE_NO_DSACK 0x00000020 struct rta_session { __u8 proto; diff --git a/include/linux/rwlock.h b/include/linux/rwlock.h new file mode 100644 index 00000000000..71e0b00b6f2 --- /dev/null +++ b/include/linux/rwlock.h @@ -0,0 +1,125 @@ +#ifndef __LINUX_RWLOCK_H +#define __LINUX_RWLOCK_H + +#ifndef __LINUX_SPINLOCK_H +# error "please don't include this file directly" +#endif + +/* + * rwlock related methods + * + * split out from spinlock.h + * + * portions Copyright 2005, Red Hat, Inc., Ingo Molnar + * Released under the General Public License (GPL). + */ + +#ifdef CONFIG_DEBUG_SPINLOCK + extern void __rwlock_init(rwlock_t *lock, const char *name, + struct lock_class_key *key); +# define rwlock_init(lock) \ +do { \ + static struct lock_class_key __key; \ + \ + __rwlock_init((lock), #lock, &__key); \ +} while (0) +#else +# define rwlock_init(lock) \ + do { *(lock) = __RW_LOCK_UNLOCKED(lock); } while (0) +#endif + +#ifdef CONFIG_DEBUG_SPINLOCK + extern void do_raw_read_lock(rwlock_t *lock); +#define do_raw_read_lock_flags(lock, flags) do_raw_read_lock(lock) + extern int do_raw_read_trylock(rwlock_t *lock); + extern void do_raw_read_unlock(rwlock_t *lock); + extern void do_raw_write_lock(rwlock_t *lock); +#define do_raw_write_lock_flags(lock, flags) do_raw_write_lock(lock) + extern int do_raw_write_trylock(rwlock_t *lock); + extern void do_raw_write_unlock(rwlock_t *lock); +#else +# define do_raw_read_lock(rwlock) arch_read_lock(&(rwlock)->raw_lock) +# define do_raw_read_lock_flags(lock, flags) \ + arch_read_lock_flags(&(lock)->raw_lock, *(flags)) +# define do_raw_read_trylock(rwlock) arch_read_trylock(&(rwlock)->raw_lock) +# define do_raw_read_unlock(rwlock) arch_read_unlock(&(rwlock)->raw_lock) +# define do_raw_write_lock(rwlock) arch_write_lock(&(rwlock)->raw_lock) +# define do_raw_write_lock_flags(lock, flags) \ + arch_write_lock_flags(&(lock)->raw_lock, *(flags)) +# define do_raw_write_trylock(rwlock) arch_write_trylock(&(rwlock)->raw_lock) +# define do_raw_write_unlock(rwlock) arch_write_unlock(&(rwlock)->raw_lock) +#endif + +#define read_can_lock(rwlock) arch_read_can_lock(&(rwlock)->raw_lock) +#define write_can_lock(rwlock) arch_write_can_lock(&(rwlock)->raw_lock) + +/* + * Define the various rw_lock methods. Note we define these + * regardless of whether CONFIG_SMP or CONFIG_PREEMPT are set. The various + * methods are defined as nops in the case they are not required. + */ +#define read_trylock(lock) __cond_lock(lock, _raw_read_trylock(lock)) +#define write_trylock(lock) __cond_lock(lock, _raw_write_trylock(lock)) + +#define write_lock(lock) _raw_write_lock(lock) +#define read_lock(lock) _raw_read_lock(lock) + +#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK) + +#define read_lock_irqsave(lock, flags) \ + do { \ + typecheck(unsigned long, flags); \ + flags = _raw_read_lock_irqsave(lock); \ + } while (0) +#define write_lock_irqsave(lock, flags) \ + do { \ + typecheck(unsigned long, flags); \ + flags = _raw_write_lock_irqsave(lock); \ + } while (0) + +#else + +#define read_lock_irqsave(lock, flags) \ + do { \ + typecheck(unsigned long, flags); \ + _raw_read_lock_irqsave(lock, flags); \ + } while (0) +#define write_lock_irqsave(lock, flags) \ + do { \ + typecheck(unsigned long, flags); \ + _raw_write_lock_irqsave(lock, flags); \ + } while (0) + +#endif + +#define read_lock_irq(lock) _raw_read_lock_irq(lock) +#define read_lock_bh(lock) _raw_read_lock_bh(lock) +#define write_lock_irq(lock) _raw_write_lock_irq(lock) +#define write_lock_bh(lock) _raw_write_lock_bh(lock) +#define read_unlock(lock) _raw_read_unlock(lock) +#define write_unlock(lock) _raw_write_unlock(lock) +#define read_unlock_irq(lock) _raw_read_unlock_irq(lock) +#define write_unlock_irq(lock) _raw_write_unlock_irq(lock) + +#define read_unlock_irqrestore(lock, flags) \ + do { \ + typecheck(unsigned long, flags); \ + _raw_read_unlock_irqrestore(lock, flags); \ + } while (0) +#define read_unlock_bh(lock) _raw_read_unlock_bh(lock) + +#define write_unlock_irqrestore(lock, flags) \ + do { \ + typecheck(unsigned long, flags); \ + _raw_write_unlock_irqrestore(lock, flags); \ + } while (0) +#define write_unlock_bh(lock) _raw_write_unlock_bh(lock) + +#define write_trylock_irqsave(lock, flags) \ +({ \ + local_irq_save(flags); \ + write_trylock(lock) ? \ + 1 : ({ local_irq_restore(flags); 0; }); \ +}) + +#endif /* __LINUX_RWLOCK_H */ diff --git a/include/linux/rwlock_api_smp.h b/include/linux/rwlock_api_smp.h new file mode 100644 index 00000000000..9c9f0495d37 --- /dev/null +++ b/include/linux/rwlock_api_smp.h @@ -0,0 +1,282 @@ +#ifndef __LINUX_RWLOCK_API_SMP_H +#define __LINUX_RWLOCK_API_SMP_H + +#ifndef __LINUX_SPINLOCK_API_SMP_H +# error "please don't include this file directly" +#endif + +/* + * include/linux/rwlock_api_smp.h + * + * spinlock API declarations on SMP (and debug) + * (implemented in kernel/spinlock.c) + * + * portions Copyright 2005, Red Hat, Inc., Ingo Molnar + * Released under the General Public License (GPL). + */ + +void __lockfunc _raw_read_lock(rwlock_t *lock) __acquires(lock); +void __lockfunc _raw_write_lock(rwlock_t *lock) __acquires(lock); +void __lockfunc _raw_read_lock_bh(rwlock_t *lock) __acquires(lock); +void __lockfunc _raw_write_lock_bh(rwlock_t *lock) __acquires(lock); +void __lockfunc _raw_read_lock_irq(rwlock_t *lock) __acquires(lock); +void __lockfunc _raw_write_lock_irq(rwlock_t *lock) __acquires(lock); +unsigned long __lockfunc _raw_read_lock_irqsave(rwlock_t *lock) + __acquires(lock); +unsigned long __lockfunc _raw_write_lock_irqsave(rwlock_t *lock) + __acquires(lock); +int __lockfunc _raw_read_trylock(rwlock_t *lock); +int __lockfunc _raw_write_trylock(rwlock_t *lock); +void __lockfunc _raw_read_unlock(rwlock_t *lock) __releases(lock); +void __lockfunc _raw_write_unlock(rwlock_t *lock) __releases(lock); +void __lockfunc _raw_read_unlock_bh(rwlock_t *lock) __releases(lock); +void __lockfunc _raw_write_unlock_bh(rwlock_t *lock) __releases(lock); +void __lockfunc _raw_read_unlock_irq(rwlock_t *lock) __releases(lock); +void __lockfunc _raw_write_unlock_irq(rwlock_t *lock) __releases(lock); +void __lockfunc +_raw_read_unlock_irqrestore(rwlock_t *lock, unsigned long flags) + __releases(lock); +void __lockfunc +_raw_write_unlock_irqrestore(rwlock_t *lock, unsigned long flags) + __releases(lock); + +#ifdef CONFIG_INLINE_READ_LOCK +#define _raw_read_lock(lock) __raw_read_lock(lock) +#endif + +#ifdef CONFIG_INLINE_WRITE_LOCK +#define _raw_write_lock(lock) __raw_write_lock(lock) +#endif + +#ifdef CONFIG_INLINE_READ_LOCK_BH +#define _raw_read_lock_bh(lock) __raw_read_lock_bh(lock) +#endif + +#ifdef CONFIG_INLINE_WRITE_LOCK_BH +#define _raw_write_lock_bh(lock) __raw_write_lock_bh(lock) +#endif + +#ifdef CONFIG_INLINE_READ_LOCK_IRQ +#define _raw_read_lock_irq(lock) __raw_read_lock_irq(lock) +#endif + +#ifdef CONFIG_INLINE_WRITE_LOCK_IRQ +#define _raw_write_lock_irq(lock) __raw_write_lock_irq(lock) +#endif + +#ifdef CONFIG_INLINE_READ_LOCK_IRQSAVE +#define _raw_read_lock_irqsave(lock) __raw_read_lock_irqsave(lock) +#endif + +#ifdef CONFIG_INLINE_WRITE_LOCK_IRQSAVE +#define _raw_write_lock_irqsave(lock) __raw_write_lock_irqsave(lock) +#endif + +#ifdef CONFIG_INLINE_READ_TRYLOCK +#define _raw_read_trylock(lock) __raw_read_trylock(lock) +#endif + +#ifdef CONFIG_INLINE_WRITE_TRYLOCK +#define _raw_write_trylock(lock) __raw_write_trylock(lock) +#endif + +#ifdef CONFIG_INLINE_READ_UNLOCK +#define _raw_read_unlock(lock) __raw_read_unlock(lock) +#endif + +#ifdef CONFIG_INLINE_WRITE_UNLOCK +#define _raw_write_unlock(lock) __raw_write_unlock(lock) +#endif + +#ifdef CONFIG_INLINE_READ_UNLOCK_BH +#define _raw_read_unlock_bh(lock) __raw_read_unlock_bh(lock) +#endif + +#ifdef CONFIG_INLINE_WRITE_UNLOCK_BH +#define _raw_write_unlock_bh(lock) __raw_write_unlock_bh(lock) +#endif + +#ifdef CONFIG_INLINE_READ_UNLOCK_IRQ +#define _raw_read_unlock_irq(lock) __raw_read_unlock_irq(lock) +#endif + +#ifdef CONFIG_INLINE_WRITE_UNLOCK_IRQ +#define _raw_write_unlock_irq(lock) __raw_write_unlock_irq(lock) +#endif + +#ifdef CONFIG_INLINE_READ_UNLOCK_IRQRESTORE +#define _raw_read_unlock_irqrestore(lock, flags) \ + __raw_read_unlock_irqrestore(lock, flags) +#endif + +#ifdef CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE +#define _raw_write_unlock_irqrestore(lock, flags) \ + __raw_write_unlock_irqrestore(lock, flags) +#endif + +static inline int __raw_read_trylock(rwlock_t *lock) +{ + preempt_disable(); + if (do_raw_read_trylock(lock)) { + rwlock_acquire_read(&lock->dep_map, 0, 1, _RET_IP_); + return 1; + } + preempt_enable(); + return 0; +} + +static inline int __raw_write_trylock(rwlock_t *lock) +{ + preempt_disable(); + if (do_raw_write_trylock(lock)) { + rwlock_acquire(&lock->dep_map, 0, 1, _RET_IP_); + return 1; + } + preempt_enable(); + return 0; +} + +/* + * If lockdep is enabled then we use the non-preemption spin-ops + * even on CONFIG_PREEMPT, because lockdep assumes that interrupts are + * not re-enabled during lock-acquire (which the preempt-spin-ops do): + */ +#if !defined(CONFIG_GENERIC_LOCKBREAK) || defined(CONFIG_DEBUG_LOCK_ALLOC) + +static inline void __raw_read_lock(rwlock_t *lock) +{ + preempt_disable(); + rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_); + LOCK_CONTENDED(lock, do_raw_read_trylock, do_raw_read_lock); +} + +static inline unsigned long __raw_read_lock_irqsave(rwlock_t *lock) +{ + unsigned long flags; + + local_irq_save(flags); + preempt_disable(); + rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_); + LOCK_CONTENDED_FLAGS(lock, do_raw_read_trylock, do_raw_read_lock, + do_raw_read_lock_flags, &flags); + return flags; +} + +static inline void __raw_read_lock_irq(rwlock_t *lock) +{ + local_irq_disable(); + preempt_disable(); + rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_); + LOCK_CONTENDED(lock, do_raw_read_trylock, do_raw_read_lock); +} + +static inline void __raw_read_lock_bh(rwlock_t *lock) +{ + local_bh_disable(); + preempt_disable(); + rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_); + LOCK_CONTENDED(lock, do_raw_read_trylock, do_raw_read_lock); +} + +static inline unsigned long __raw_write_lock_irqsave(rwlock_t *lock) +{ + unsigned long flags; + + local_irq_save(flags); + preempt_disable(); + rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_); + LOCK_CONTENDED_FLAGS(lock, do_raw_write_trylock, do_raw_write_lock, + do_raw_write_lock_flags, &flags); + return flags; +} + +static inline void __raw_write_lock_irq(rwlock_t *lock) +{ + local_irq_disable(); + preempt_disable(); + rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_); + LOCK_CONTENDED(lock, do_raw_write_trylock, do_raw_write_lock); +} + +static inline void __raw_write_lock_bh(rwlock_t *lock) +{ + local_bh_disable(); + preempt_disable(); + rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_); + LOCK_CONTENDED(lock, do_raw_write_trylock, do_raw_write_lock); +} + +static inline void __raw_write_lock(rwlock_t *lock) +{ + preempt_disable(); + rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_); + LOCK_CONTENDED(lock, do_raw_write_trylock, do_raw_write_lock); +} + +#endif /* CONFIG_PREEMPT */ + +static inline void __raw_write_unlock(rwlock_t *lock) +{ + rwlock_release(&lock->dep_map, 1, _RET_IP_); + do_raw_write_unlock(lock); + preempt_enable(); +} + +static inline void __raw_read_unlock(rwlock_t *lock) +{ + rwlock_release(&lock->dep_map, 1, _RET_IP_); + do_raw_read_unlock(lock); + preempt_enable(); +} + +static inline void +__raw_read_unlock_irqrestore(rwlock_t *lock, unsigned long flags) +{ + rwlock_release(&lock->dep_map, 1, _RET_IP_); + do_raw_read_unlock(lock); + local_irq_restore(flags); + preempt_enable(); +} + +static inline void __raw_read_unlock_irq(rwlock_t *lock) +{ + rwlock_release(&lock->dep_map, 1, _RET_IP_); + do_raw_read_unlock(lock); + local_irq_enable(); + preempt_enable(); +} + +static inline void __raw_read_unlock_bh(rwlock_t *lock) +{ + rwlock_release(&lock->dep_map, 1, _RET_IP_); + do_raw_read_unlock(lock); + preempt_enable_no_resched(); + local_bh_enable_ip((unsigned long)__builtin_return_address(0)); +} + +static inline void __raw_write_unlock_irqrestore(rwlock_t *lock, + unsigned long flags) +{ + rwlock_release(&lock->dep_map, 1, _RET_IP_); + do_raw_write_unlock(lock); + local_irq_restore(flags); + preempt_enable(); +} + +static inline void __raw_write_unlock_irq(rwlock_t *lock) +{ + rwlock_release(&lock->dep_map, 1, _RET_IP_); + do_raw_write_unlock(lock); + local_irq_enable(); + preempt_enable(); +} + +static inline void __raw_write_unlock_bh(rwlock_t *lock) +{ + rwlock_release(&lock->dep_map, 1, _RET_IP_); + do_raw_write_unlock(lock); + preempt_enable_no_resched(); + local_bh_enable_ip((unsigned long)__builtin_return_address(0)); +} + +#endif /* __LINUX_RWLOCK_API_SMP_H */ diff --git a/include/linux/rwlock_types.h b/include/linux/rwlock_types.h new file mode 100644 index 00000000000..bd31808c7d8 --- /dev/null +++ b/include/linux/rwlock_types.h @@ -0,0 +1,56 @@ +#ifndef __LINUX_RWLOCK_TYPES_H +#define __LINUX_RWLOCK_TYPES_H + +/* + * include/linux/rwlock_types.h - generic rwlock type definitions + * and initializers + * + * portions Copyright 2005, Red Hat, Inc., Ingo Molnar + * Released under the General Public License (GPL). + */ +typedef struct { + arch_rwlock_t raw_lock; +#ifdef CONFIG_GENERIC_LOCKBREAK + unsigned int break_lock; +#endif +#ifdef CONFIG_DEBUG_SPINLOCK + unsigned int magic, owner_cpu; + void *owner; +#endif +#ifdef CONFIG_DEBUG_LOCK_ALLOC + struct lockdep_map dep_map; +#endif +} rwlock_t; + +#define RWLOCK_MAGIC 0xdeaf1eed + +#ifdef CONFIG_DEBUG_LOCK_ALLOC +# define RW_DEP_MAP_INIT(lockname) .dep_map = { .name = #lockname } +#else +# define RW_DEP_MAP_INIT(lockname) +#endif + +#ifdef CONFIG_DEBUG_SPINLOCK +#define __RW_LOCK_UNLOCKED(lockname) \ + (rwlock_t) { .raw_lock = __ARCH_RW_LOCK_UNLOCKED, \ + .magic = RWLOCK_MAGIC, \ + .owner = SPINLOCK_OWNER_INIT, \ + .owner_cpu = -1, \ + RW_DEP_MAP_INIT(lockname) } +#else +#define __RW_LOCK_UNLOCKED(lockname) \ + (rwlock_t) { .raw_lock = __ARCH_RW_LOCK_UNLOCKED, \ + RW_DEP_MAP_INIT(lockname) } +#endif + +/* + * RW_LOCK_UNLOCKED defeat lockdep state tracking and is hence + * deprecated. + * + * Please use DEFINE_RWLOCK() or __RW_LOCK_UNLOCKED() as appropriate. + */ +#define RW_LOCK_UNLOCKED __RW_LOCK_UNLOCKED(old_style_rw_init) + +#define DEFINE_RWLOCK(x) rwlock_t x = __RW_LOCK_UNLOCKED(x) + +#endif /* __LINUX_RWLOCK_TYPES_H */ diff --git a/include/linux/rwsem-spinlock.h b/include/linux/rwsem-spinlock.h index 6c3c0f6c261..bdfcc252797 100644 --- a/include/linux/rwsem-spinlock.h +++ b/include/linux/rwsem-spinlock.h @@ -68,11 +68,7 @@ extern int __down_write_trylock(struct rw_semaphore *sem); extern void __up_read(struct rw_semaphore *sem); extern void __up_write(struct rw_semaphore *sem); extern void __downgrade_write(struct rw_semaphore *sem); - -static inline int rwsem_is_locked(struct rw_semaphore *sem) -{ - return (sem->activity != 0); -} +extern int rwsem_is_locked(struct rw_semaphore *sem); #endif /* __KERNEL__ */ #endif /* _LINUX_RWSEM_SPINLOCK_H */ diff --git a/include/linux/sched.h b/include/linux/sched.h index 294eb2f8014..244c287a5ac 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1409,7 +1409,7 @@ struct task_struct { #endif /* Protection of the PI data structures: */ - spinlock_t pi_lock; + raw_spinlock_t pi_lock; #ifdef CONFIG_RT_MUTEXES /* PI waiters blocked on a rt_mutex held by this task */ @@ -1446,8 +1446,10 @@ struct task_struct { gfp_t lockdep_reclaim_gfp; #endif +#ifdef CONFIG_FS_JOURNAL_INFO /* journalling filesystem info */ void *journal_info; +#endif /* stacked block device info */ struct bio *bio_list, **bio_tail; @@ -1542,6 +1544,14 @@ struct task_struct { unsigned long trace_recursion; #endif /* CONFIG_TRACING */ unsigned long stack_start; +#ifdef CONFIG_CGROUP_MEM_RES_CTLR /* memcg uses this to do batch job */ + struct memcg_batch_info { + int do_batch; /* incremented when batch uncharge started */ + struct mem_cgroup *memcg; /* target memcg of uncharge */ + unsigned long bytes; /* uncharged usage */ + unsigned long memsw_bytes; /* uncharged mem+swap usage */ + } memcg_batch; +#endif }; /* Future-safe accessor for struct task_struct's cpus_allowed. */ @@ -2073,7 +2083,6 @@ extern int kill_proc_info(int, struct siginfo *, pid_t); extern int do_notify_parent(struct task_struct *, int); extern void __wake_up_parent(struct task_struct *p, struct task_struct *parent); extern void force_sig(int, struct task_struct *); -extern void force_sig_specific(int, struct task_struct *); extern int send_sig(int, struct task_struct *, int); extern void zap_other_threads(struct task_struct *p); extern struct sigqueue *sigqueue_alloc(void); @@ -2092,11 +2101,6 @@ static inline int kill_cad_pid(int sig, int priv) #define SEND_SIG_PRIV ((struct siginfo *) 1) #define SEND_SIG_FORCED ((struct siginfo *) 2) -static inline int is_si_special(const struct siginfo *info) -{ - return info <= SEND_SIG_FORCED; -} - /* * True if we are on the alternate signal stack. */ diff --git a/include/linux/sem.h b/include/linux/sem.h index 1b191c176bc..8a4adbef8a0 100644 --- a/include/linux/sem.h +++ b/include/linux/sem.h @@ -86,6 +86,7 @@ struct task_struct; struct sem { int semval; /* current value */ int sempid; /* pid of last operation */ + struct list_head sem_pending; /* pending single-sop operations */ }; /* One sem_array data structure for each set of semaphores in the system. */ @@ -96,11 +97,13 @@ struct sem_array { struct sem *sem_base; /* ptr to first semaphore in array */ struct list_head sem_pending; /* pending operations to be processed */ struct list_head list_id; /* undo requests on this array */ - unsigned long sem_nsems; /* no. of semaphores in array */ + int sem_nsems; /* no. of semaphores in array */ + int complex_count; /* pending complex operations */ }; /* One queue for each sleeping process in the system. */ struct sem_queue { + struct list_head simple_list; /* queue of pending operations */ struct list_head list; /* queue of pending operations */ struct task_struct *sleeper; /* this process */ struct sem_undo *undo; /* undo structure */ diff --git a/include/linux/sm501-regs.h b/include/linux/sm501-regs.h index d53642d2d89..67ed2c54283 100644 --- a/include/linux/sm501-regs.h +++ b/include/linux/sm501-regs.h @@ -31,6 +31,8 @@ #define SM501_SYSCTRL_PCI_SUBSYS_LOCK (1<<11) #define SM501_SYSCTRL_PCI_BURST_READ_EN (1<<15) +#define SM501_SYSCTRL_2D_ENGINE_STATUS (1<<19) + /* miscellaneous control */ #define SM501_MISC_CONTROL (0x000004) diff --git a/include/linux/spinlock.h b/include/linux/spinlock.h index 71dccfeb0d8..86088213334 100644 --- a/include/linux/spinlock.h +++ b/include/linux/spinlock.h @@ -8,13 +8,13 @@ * * on SMP builds: * - * asm/spinlock_types.h: contains the raw_spinlock_t/raw_rwlock_t and the + * asm/spinlock_types.h: contains the arch_spinlock_t/arch_rwlock_t and the * initializers * * linux/spinlock_types.h: * defines the generic type and initializers * - * asm/spinlock.h: contains the __raw_spin_*()/etc. lowlevel + * asm/spinlock.h: contains the arch_spin_*()/etc. lowlevel * implementations, mostly inline assembly code * * (also included on UP-debug builds:) @@ -34,7 +34,7 @@ * defines the generic type and initializers * * linux/spinlock_up.h: - * contains the __raw_spin_*()/etc. version of UP + * contains the arch_spin_*()/etc. version of UP * builds. (which are NOPs on non-debug, non-preempt * builds) * @@ -75,12 +75,12 @@ #define __lockfunc __attribute__((section(".spinlock.text"))) /* - * Pull the raw_spinlock_t and raw_rwlock_t definitions: + * Pull the arch_spinlock_t and arch_rwlock_t definitions: */ #include <linux/spinlock_types.h> /* - * Pull the __raw*() functions/declarations (UP-nondebug doesnt need them): + * Pull the arch_spin*() functions/declarations (UP-nondebug doesnt need them): */ #ifdef CONFIG_SMP # include <asm/spinlock.h> @@ -89,45 +89,31 @@ #endif #ifdef CONFIG_DEBUG_SPINLOCK - extern void __spin_lock_init(spinlock_t *lock, const char *name, - struct lock_class_key *key); -# define spin_lock_init(lock) \ + extern void __raw_spin_lock_init(raw_spinlock_t *lock, const char *name, + struct lock_class_key *key); +# define raw_spin_lock_init(lock) \ do { \ static struct lock_class_key __key; \ \ - __spin_lock_init((lock), #lock, &__key); \ + __raw_spin_lock_init((lock), #lock, &__key); \ } while (0) #else -# define spin_lock_init(lock) \ - do { *(lock) = __SPIN_LOCK_UNLOCKED(lock); } while (0) +# define raw_spin_lock_init(lock) \ + do { *(lock) = __RAW_SPIN_LOCK_UNLOCKED(lock); } while (0) #endif -#ifdef CONFIG_DEBUG_SPINLOCK - extern void __rwlock_init(rwlock_t *lock, const char *name, - struct lock_class_key *key); -# define rwlock_init(lock) \ -do { \ - static struct lock_class_key __key; \ - \ - __rwlock_init((lock), #lock, &__key); \ -} while (0) -#else -# define rwlock_init(lock) \ - do { *(lock) = __RW_LOCK_UNLOCKED(lock); } while (0) -#endif - -#define spin_is_locked(lock) __raw_spin_is_locked(&(lock)->raw_lock) +#define raw_spin_is_locked(lock) arch_spin_is_locked(&(lock)->raw_lock) #ifdef CONFIG_GENERIC_LOCKBREAK -#define spin_is_contended(lock) ((lock)->break_lock) +#define raw_spin_is_contended(lock) ((lock)->break_lock) #else -#ifdef __raw_spin_is_contended -#define spin_is_contended(lock) __raw_spin_is_contended(&(lock)->raw_lock) +#ifdef arch_spin_is_contended +#define raw_spin_is_contended(lock) arch_spin_is_contended(&(lock)->raw_lock) #else -#define spin_is_contended(lock) (((void)(lock), 0)) -#endif /*__raw_spin_is_contended*/ +#define raw_spin_is_contended(lock) (((void)(lock), 0)) +#endif /*arch_spin_is_contended*/ #endif /* The lock does not imply full memory barrier. */ @@ -136,182 +122,260 @@ static inline void smp_mb__after_lock(void) { smp_mb(); } #endif /** - * spin_unlock_wait - wait until the spinlock gets unlocked + * raw_spin_unlock_wait - wait until the spinlock gets unlocked * @lock: the spinlock in question. */ -#define spin_unlock_wait(lock) __raw_spin_unlock_wait(&(lock)->raw_lock) +#define raw_spin_unlock_wait(lock) arch_spin_unlock_wait(&(lock)->raw_lock) #ifdef CONFIG_DEBUG_SPINLOCK - extern void _raw_spin_lock(spinlock_t *lock); -#define _raw_spin_lock_flags(lock, flags) _raw_spin_lock(lock) - extern int _raw_spin_trylock(spinlock_t *lock); - extern void _raw_spin_unlock(spinlock_t *lock); - extern void _raw_read_lock(rwlock_t *lock); -#define _raw_read_lock_flags(lock, flags) _raw_read_lock(lock) - extern int _raw_read_trylock(rwlock_t *lock); - extern void _raw_read_unlock(rwlock_t *lock); - extern void _raw_write_lock(rwlock_t *lock); -#define _raw_write_lock_flags(lock, flags) _raw_write_lock(lock) - extern int _raw_write_trylock(rwlock_t *lock); - extern void _raw_write_unlock(rwlock_t *lock); + extern void do_raw_spin_lock(raw_spinlock_t *lock); +#define do_raw_spin_lock_flags(lock, flags) do_raw_spin_lock(lock) + extern int do_raw_spin_trylock(raw_spinlock_t *lock); + extern void do_raw_spin_unlock(raw_spinlock_t *lock); #else -# define _raw_spin_lock(lock) __raw_spin_lock(&(lock)->raw_lock) -# define _raw_spin_lock_flags(lock, flags) \ - __raw_spin_lock_flags(&(lock)->raw_lock, *(flags)) -# define _raw_spin_trylock(lock) __raw_spin_trylock(&(lock)->raw_lock) -# define _raw_spin_unlock(lock) __raw_spin_unlock(&(lock)->raw_lock) -# define _raw_read_lock(rwlock) __raw_read_lock(&(rwlock)->raw_lock) -# define _raw_read_lock_flags(lock, flags) \ - __raw_read_lock_flags(&(lock)->raw_lock, *(flags)) -# define _raw_read_trylock(rwlock) __raw_read_trylock(&(rwlock)->raw_lock) -# define _raw_read_unlock(rwlock) __raw_read_unlock(&(rwlock)->raw_lock) -# define _raw_write_lock(rwlock) __raw_write_lock(&(rwlock)->raw_lock) -# define _raw_write_lock_flags(lock, flags) \ - __raw_write_lock_flags(&(lock)->raw_lock, *(flags)) -# define _raw_write_trylock(rwlock) __raw_write_trylock(&(rwlock)->raw_lock) -# define _raw_write_unlock(rwlock) __raw_write_unlock(&(rwlock)->raw_lock) +static inline void do_raw_spin_lock(raw_spinlock_t *lock) +{ + arch_spin_lock(&lock->raw_lock); +} + +static inline void +do_raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long *flags) +{ + arch_spin_lock_flags(&lock->raw_lock, *flags); +} + +static inline int do_raw_spin_trylock(raw_spinlock_t *lock) +{ + return arch_spin_trylock(&(lock)->raw_lock); +} + +static inline void do_raw_spin_unlock(raw_spinlock_t *lock) +{ + arch_spin_unlock(&lock->raw_lock); +} #endif -#define read_can_lock(rwlock) __raw_read_can_lock(&(rwlock)->raw_lock) -#define write_can_lock(rwlock) __raw_write_can_lock(&(rwlock)->raw_lock) - /* - * Define the various spin_lock and rw_lock methods. Note we define these - * regardless of whether CONFIG_SMP or CONFIG_PREEMPT are set. The various - * methods are defined as nops in the case they are not required. + * Define the various spin_lock methods. Note we define these + * regardless of whether CONFIG_SMP or CONFIG_PREEMPT are set. The + * various methods are defined as nops in the case they are not + * required. */ -#define spin_trylock(lock) __cond_lock(lock, _spin_trylock(lock)) -#define read_trylock(lock) __cond_lock(lock, _read_trylock(lock)) -#define write_trylock(lock) __cond_lock(lock, _write_trylock(lock)) +#define raw_spin_trylock(lock) __cond_lock(lock, _raw_spin_trylock(lock)) -#define spin_lock(lock) _spin_lock(lock) +#define raw_spin_lock(lock) _raw_spin_lock(lock) #ifdef CONFIG_DEBUG_LOCK_ALLOC -# define spin_lock_nested(lock, subclass) _spin_lock_nested(lock, subclass) -# define spin_lock_nest_lock(lock, nest_lock) \ +# define raw_spin_lock_nested(lock, subclass) \ + _raw_spin_lock_nested(lock, subclass) + +# define raw_spin_lock_nest_lock(lock, nest_lock) \ do { \ typecheck(struct lockdep_map *, &(nest_lock)->dep_map);\ - _spin_lock_nest_lock(lock, &(nest_lock)->dep_map); \ + _raw_spin_lock_nest_lock(lock, &(nest_lock)->dep_map); \ } while (0) #else -# define spin_lock_nested(lock, subclass) _spin_lock(lock) -# define spin_lock_nest_lock(lock, nest_lock) _spin_lock(lock) +# define raw_spin_lock_nested(lock, subclass) _raw_spin_lock(lock) +# define raw_spin_lock_nest_lock(lock, nest_lock) _raw_spin_lock(lock) #endif -#define write_lock(lock) _write_lock(lock) -#define read_lock(lock) _read_lock(lock) - #if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK) -#define spin_lock_irqsave(lock, flags) \ +#define raw_spin_lock_irqsave(lock, flags) \ do { \ typecheck(unsigned long, flags); \ - flags = _spin_lock_irqsave(lock); \ - } while (0) -#define read_lock_irqsave(lock, flags) \ - do { \ - typecheck(unsigned long, flags); \ - flags = _read_lock_irqsave(lock); \ - } while (0) -#define write_lock_irqsave(lock, flags) \ - do { \ - typecheck(unsigned long, flags); \ - flags = _write_lock_irqsave(lock); \ + flags = _raw_spin_lock_irqsave(lock); \ } while (0) #ifdef CONFIG_DEBUG_LOCK_ALLOC -#define spin_lock_irqsave_nested(lock, flags, subclass) \ +#define raw_spin_lock_irqsave_nested(lock, flags, subclass) \ do { \ typecheck(unsigned long, flags); \ - flags = _spin_lock_irqsave_nested(lock, subclass); \ + flags = _raw_spin_lock_irqsave_nested(lock, subclass); \ } while (0) #else -#define spin_lock_irqsave_nested(lock, flags, subclass) \ +#define raw_spin_lock_irqsave_nested(lock, flags, subclass) \ do { \ typecheck(unsigned long, flags); \ - flags = _spin_lock_irqsave(lock); \ + flags = _raw_spin_lock_irqsave(lock); \ } while (0) #endif #else -#define spin_lock_irqsave(lock, flags) \ - do { \ - typecheck(unsigned long, flags); \ - _spin_lock_irqsave(lock, flags); \ - } while (0) -#define read_lock_irqsave(lock, flags) \ - do { \ - typecheck(unsigned long, flags); \ - _read_lock_irqsave(lock, flags); \ - } while (0) -#define write_lock_irqsave(lock, flags) \ +#define raw_spin_lock_irqsave(lock, flags) \ do { \ typecheck(unsigned long, flags); \ - _write_lock_irqsave(lock, flags); \ + _raw_spin_lock_irqsave(lock, flags); \ } while (0) -#define spin_lock_irqsave_nested(lock, flags, subclass) \ - spin_lock_irqsave(lock, flags) -#endif +#define raw_spin_lock_irqsave_nested(lock, flags, subclass) \ + raw_spin_lock_irqsave(lock, flags) -#define spin_lock_irq(lock) _spin_lock_irq(lock) -#define spin_lock_bh(lock) _spin_lock_bh(lock) -#define read_lock_irq(lock) _read_lock_irq(lock) -#define read_lock_bh(lock) _read_lock_bh(lock) -#define write_lock_irq(lock) _write_lock_irq(lock) -#define write_lock_bh(lock) _write_lock_bh(lock) -#define spin_unlock(lock) _spin_unlock(lock) -#define read_unlock(lock) _read_unlock(lock) -#define write_unlock(lock) _write_unlock(lock) -#define spin_unlock_irq(lock) _spin_unlock_irq(lock) -#define read_unlock_irq(lock) _read_unlock_irq(lock) -#define write_unlock_irq(lock) _write_unlock_irq(lock) - -#define spin_unlock_irqrestore(lock, flags) \ - do { \ - typecheck(unsigned long, flags); \ - _spin_unlock_irqrestore(lock, flags); \ - } while (0) -#define spin_unlock_bh(lock) _spin_unlock_bh(lock) +#endif -#define read_unlock_irqrestore(lock, flags) \ - do { \ - typecheck(unsigned long, flags); \ - _read_unlock_irqrestore(lock, flags); \ - } while (0) -#define read_unlock_bh(lock) _read_unlock_bh(lock) +#define raw_spin_lock_irq(lock) _raw_spin_lock_irq(lock) +#define raw_spin_lock_bh(lock) _raw_spin_lock_bh(lock) +#define raw_spin_unlock(lock) _raw_spin_unlock(lock) +#define raw_spin_unlock_irq(lock) _raw_spin_unlock_irq(lock) -#define write_unlock_irqrestore(lock, flags) \ - do { \ - typecheck(unsigned long, flags); \ - _write_unlock_irqrestore(lock, flags); \ +#define raw_spin_unlock_irqrestore(lock, flags) \ + do { \ + typecheck(unsigned long, flags); \ + _raw_spin_unlock_irqrestore(lock, flags); \ } while (0) -#define write_unlock_bh(lock) _write_unlock_bh(lock) +#define raw_spin_unlock_bh(lock) _raw_spin_unlock_bh(lock) -#define spin_trylock_bh(lock) __cond_lock(lock, _spin_trylock_bh(lock)) +#define raw_spin_trylock_bh(lock) \ + __cond_lock(lock, _raw_spin_trylock_bh(lock)) -#define spin_trylock_irq(lock) \ +#define raw_spin_trylock_irq(lock) \ ({ \ local_irq_disable(); \ - spin_trylock(lock) ? \ + raw_spin_trylock(lock) ? \ 1 : ({ local_irq_enable(); 0; }); \ }) -#define spin_trylock_irqsave(lock, flags) \ +#define raw_spin_trylock_irqsave(lock, flags) \ ({ \ local_irq_save(flags); \ - spin_trylock(lock) ? \ + raw_spin_trylock(lock) ? \ 1 : ({ local_irq_restore(flags); 0; }); \ }) -#define write_trylock_irqsave(lock, flags) \ -({ \ - local_irq_save(flags); \ - write_trylock(lock) ? \ - 1 : ({ local_irq_restore(flags); 0; }); \ +/** + * raw_spin_can_lock - would raw_spin_trylock() succeed? + * @lock: the spinlock in question. + */ +#define raw_spin_can_lock(lock) (!raw_spin_is_locked(lock)) + +/* Include rwlock functions */ +#include <linux/rwlock.h> + +/* + * Pull the _spin_*()/_read_*()/_write_*() functions/declarations: + */ +#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK) +# include <linux/spinlock_api_smp.h> +#else +# include <linux/spinlock_api_up.h> +#endif + +/* + * Map the spin_lock functions to the raw variants for PREEMPT_RT=n + */ + +static inline raw_spinlock_t *spinlock_check(spinlock_t *lock) +{ + return &lock->rlock; +} + +#define spin_lock_init(_lock) \ +do { \ + spinlock_check(_lock); \ + raw_spin_lock_init(&(_lock)->rlock); \ +} while (0) + +static inline void spin_lock(spinlock_t *lock) +{ + raw_spin_lock(&lock->rlock); +} + +static inline void spin_lock_bh(spinlock_t *lock) +{ + raw_spin_lock_bh(&lock->rlock); +} + +static inline int spin_trylock(spinlock_t *lock) +{ + return raw_spin_trylock(&lock->rlock); +} + +#define spin_lock_nested(lock, subclass) \ +do { \ + raw_spin_lock_nested(spinlock_check(lock), subclass); \ +} while (0) + +#define spin_lock_nest_lock(lock, nest_lock) \ +do { \ + raw_spin_lock_nest_lock(spinlock_check(lock), nest_lock); \ +} while (0) + +static inline void spin_lock_irq(spinlock_t *lock) +{ + raw_spin_lock_irq(&lock->rlock); +} + +#define spin_lock_irqsave(lock, flags) \ +do { \ + raw_spin_lock_irqsave(spinlock_check(lock), flags); \ +} while (0) + +#define spin_lock_irqsave_nested(lock, flags, subclass) \ +do { \ + raw_spin_lock_irqsave_nested(spinlock_check(lock), flags, subclass); \ +} while (0) + +static inline void spin_unlock(spinlock_t *lock) +{ + raw_spin_unlock(&lock->rlock); +} + +static inline void spin_unlock_bh(spinlock_t *lock) +{ + raw_spin_unlock_bh(&lock->rlock); +} + +static inline void spin_unlock_irq(spinlock_t *lock) +{ + raw_spin_unlock_irq(&lock->rlock); +} + +static inline void spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags) +{ + raw_spin_unlock_irqrestore(&lock->rlock, flags); +} + +static inline int spin_trylock_bh(spinlock_t *lock) +{ + return raw_spin_trylock_bh(&lock->rlock); +} + +static inline int spin_trylock_irq(spinlock_t *lock) +{ + return raw_spin_trylock_irq(&lock->rlock); +} + +#define spin_trylock_irqsave(lock, flags) \ +({ \ + raw_spin_trylock_irqsave(spinlock_check(lock), flags); \ }) +static inline void spin_unlock_wait(spinlock_t *lock) +{ + raw_spin_unlock_wait(&lock->rlock); +} + +static inline int spin_is_locked(spinlock_t *lock) +{ + return raw_spin_is_locked(&lock->rlock); +} + +static inline int spin_is_contended(spinlock_t *lock) +{ + return raw_spin_is_contended(&lock->rlock); +} + +static inline int spin_can_lock(spinlock_t *lock) +{ + return raw_spin_can_lock(&lock->rlock); +} + +static inline void assert_spin_locked(spinlock_t *lock) +{ + assert_raw_spin_locked(&lock->rlock); +} + /* * Pull the atomic_t declaration: * (asm-mips/atomic.h needs above definitions) @@ -329,19 +393,4 @@ extern int _atomic_dec_and_lock(atomic_t *atomic, spinlock_t *lock); #define atomic_dec_and_lock(atomic, lock) \ __cond_lock(lock, _atomic_dec_and_lock(atomic, lock)) -/** - * spin_can_lock - would spin_trylock() succeed? - * @lock: the spinlock in question. - */ -#define spin_can_lock(lock) (!spin_is_locked(lock)) - -/* - * Pull the _spin_*()/_read_*()/_write_*() functions/declarations: - */ -#if defined(CONFIG_SMP) || defined(CONFIG_DEBUG_SPINLOCK) -# include <linux/spinlock_api_smp.h> -#else -# include <linux/spinlock_api_up.h> -#endif - #endif /* __LINUX_SPINLOCK_H */ diff --git a/include/linux/spinlock_api_smp.h b/include/linux/spinlock_api_smp.h index 8264a7f459b..e253ccd7a60 100644 --- a/include/linux/spinlock_api_smp.h +++ b/include/linux/spinlock_api_smp.h @@ -17,165 +17,76 @@ int in_lock_functions(unsigned long addr); -#define assert_spin_locked(x) BUG_ON(!spin_is_locked(x)) - -void __lockfunc _spin_lock(spinlock_t *lock) __acquires(lock); -void __lockfunc _spin_lock_nested(spinlock_t *lock, int subclass) - __acquires(lock); -void __lockfunc _spin_lock_nest_lock(spinlock_t *lock, struct lockdep_map *map) - __acquires(lock); -void __lockfunc _read_lock(rwlock_t *lock) __acquires(lock); -void __lockfunc _write_lock(rwlock_t *lock) __acquires(lock); -void __lockfunc _spin_lock_bh(spinlock_t *lock) __acquires(lock); -void __lockfunc _read_lock_bh(rwlock_t *lock) __acquires(lock); -void __lockfunc _write_lock_bh(rwlock_t *lock) __acquires(lock); -void __lockfunc _spin_lock_irq(spinlock_t *lock) __acquires(lock); -void __lockfunc _read_lock_irq(rwlock_t *lock) __acquires(lock); -void __lockfunc _write_lock_irq(rwlock_t *lock) __acquires(lock); -unsigned long __lockfunc _spin_lock_irqsave(spinlock_t *lock) - __acquires(lock); -unsigned long __lockfunc _spin_lock_irqsave_nested(spinlock_t *lock, int subclass) - __acquires(lock); -unsigned long __lockfunc _read_lock_irqsave(rwlock_t *lock) - __acquires(lock); -unsigned long __lockfunc _write_lock_irqsave(rwlock_t *lock) - __acquires(lock); -int __lockfunc _spin_trylock(spinlock_t *lock); -int __lockfunc _read_trylock(rwlock_t *lock); -int __lockfunc _write_trylock(rwlock_t *lock); -int __lockfunc _spin_trylock_bh(spinlock_t *lock); -void __lockfunc _spin_unlock(spinlock_t *lock) __releases(lock); -void __lockfunc _read_unlock(rwlock_t *lock) __releases(lock); -void __lockfunc _write_unlock(rwlock_t *lock) __releases(lock); -void __lockfunc _spin_unlock_bh(spinlock_t *lock) __releases(lock); -void __lockfunc _read_unlock_bh(rwlock_t *lock) __releases(lock); -void __lockfunc _write_unlock_bh(rwlock_t *lock) __releases(lock); -void __lockfunc _spin_unlock_irq(spinlock_t *lock) __releases(lock); -void __lockfunc _read_unlock_irq(rwlock_t *lock) __releases(lock); -void __lockfunc _write_unlock_irq(rwlock_t *lock) __releases(lock); -void __lockfunc _spin_unlock_irqrestore(spinlock_t *lock, unsigned long flags) - __releases(lock); -void __lockfunc _read_unlock_irqrestore(rwlock_t *lock, unsigned long flags) - __releases(lock); -void __lockfunc _write_unlock_irqrestore(rwlock_t *lock, unsigned long flags) - __releases(lock); +#define assert_raw_spin_locked(x) BUG_ON(!raw_spin_is_locked(x)) + +void __lockfunc _raw_spin_lock(raw_spinlock_t *lock) __acquires(lock); +void __lockfunc _raw_spin_lock_nested(raw_spinlock_t *lock, int subclass) + __acquires(lock); +void __lockfunc +_raw_spin_lock_nest_lock(raw_spinlock_t *lock, struct lockdep_map *map) + __acquires(lock); +void __lockfunc _raw_spin_lock_bh(raw_spinlock_t *lock) __acquires(lock); +void __lockfunc _raw_spin_lock_irq(raw_spinlock_t *lock) + __acquires(lock); + +unsigned long __lockfunc _raw_spin_lock_irqsave(raw_spinlock_t *lock) + __acquires(lock); +unsigned long __lockfunc +_raw_spin_lock_irqsave_nested(raw_spinlock_t *lock, int subclass) + __acquires(lock); +int __lockfunc _raw_spin_trylock(raw_spinlock_t *lock); +int __lockfunc _raw_spin_trylock_bh(raw_spinlock_t *lock); +void __lockfunc _raw_spin_unlock(raw_spinlock_t *lock) __releases(lock); +void __lockfunc _raw_spin_unlock_bh(raw_spinlock_t *lock) __releases(lock); +void __lockfunc _raw_spin_unlock_irq(raw_spinlock_t *lock) __releases(lock); +void __lockfunc +_raw_spin_unlock_irqrestore(raw_spinlock_t *lock, unsigned long flags) + __releases(lock); #ifdef CONFIG_INLINE_SPIN_LOCK -#define _spin_lock(lock) __spin_lock(lock) -#endif - -#ifdef CONFIG_INLINE_READ_LOCK -#define _read_lock(lock) __read_lock(lock) -#endif - -#ifdef CONFIG_INLINE_WRITE_LOCK -#define _write_lock(lock) __write_lock(lock) +#define _raw_spin_lock(lock) __raw_spin_lock(lock) #endif #ifdef CONFIG_INLINE_SPIN_LOCK_BH -#define _spin_lock_bh(lock) __spin_lock_bh(lock) -#endif - -#ifdef CONFIG_INLINE_READ_LOCK_BH -#define _read_lock_bh(lock) __read_lock_bh(lock) -#endif - -#ifdef CONFIG_INLINE_WRITE_LOCK_BH -#define _write_lock_bh(lock) __write_lock_bh(lock) +#define _raw_spin_lock_bh(lock) __raw_spin_lock_bh(lock) #endif #ifdef CONFIG_INLINE_SPIN_LOCK_IRQ -#define _spin_lock_irq(lock) __spin_lock_irq(lock) -#endif - -#ifdef CONFIG_INLINE_READ_LOCK_IRQ -#define _read_lock_irq(lock) __read_lock_irq(lock) -#endif - -#ifdef CONFIG_INLINE_WRITE_LOCK_IRQ -#define _write_lock_irq(lock) __write_lock_irq(lock) +#define _raw_spin_lock_irq(lock) __raw_spin_lock_irq(lock) #endif #ifdef CONFIG_INLINE_SPIN_LOCK_IRQSAVE -#define _spin_lock_irqsave(lock) __spin_lock_irqsave(lock) -#endif - -#ifdef CONFIG_INLINE_READ_LOCK_IRQSAVE -#define _read_lock_irqsave(lock) __read_lock_irqsave(lock) -#endif - -#ifdef CONFIG_INLINE_WRITE_LOCK_IRQSAVE -#define _write_lock_irqsave(lock) __write_lock_irqsave(lock) +#define _raw_spin_lock_irqsave(lock) __raw_spin_lock_irqsave(lock) #endif #ifdef CONFIG_INLINE_SPIN_TRYLOCK -#define _spin_trylock(lock) __spin_trylock(lock) -#endif - -#ifdef CONFIG_INLINE_READ_TRYLOCK -#define _read_trylock(lock) __read_trylock(lock) -#endif - -#ifdef CONFIG_INLINE_WRITE_TRYLOCK -#define _write_trylock(lock) __write_trylock(lock) +#define _raw_spin_trylock(lock) __raw_spin_trylock(lock) #endif #ifdef CONFIG_INLINE_SPIN_TRYLOCK_BH -#define _spin_trylock_bh(lock) __spin_trylock_bh(lock) +#define _raw_spin_trylock_bh(lock) __raw_spin_trylock_bh(lock) #endif #ifdef CONFIG_INLINE_SPIN_UNLOCK -#define _spin_unlock(lock) __spin_unlock(lock) -#endif - -#ifdef CONFIG_INLINE_READ_UNLOCK -#define _read_unlock(lock) __read_unlock(lock) -#endif - -#ifdef CONFIG_INLINE_WRITE_UNLOCK -#define _write_unlock(lock) __write_unlock(lock) +#define _raw_spin_unlock(lock) __raw_spin_unlock(lock) #endif #ifdef CONFIG_INLINE_SPIN_UNLOCK_BH -#define _spin_unlock_bh(lock) __spin_unlock_bh(lock) -#endif - -#ifdef CONFIG_INLINE_READ_UNLOCK_BH -#define _read_unlock_bh(lock) __read_unlock_bh(lock) -#endif - -#ifdef CONFIG_INLINE_WRITE_UNLOCK_BH -#define _write_unlock_bh(lock) __write_unlock_bh(lock) +#define _raw_spin_unlock_bh(lock) __raw_spin_unlock_bh(lock) #endif #ifdef CONFIG_INLINE_SPIN_UNLOCK_IRQ -#define _spin_unlock_irq(lock) __spin_unlock_irq(lock) -#endif - -#ifdef CONFIG_INLINE_READ_UNLOCK_IRQ -#define _read_unlock_irq(lock) __read_unlock_irq(lock) -#endif - -#ifdef CONFIG_INLINE_WRITE_UNLOCK_IRQ -#define _write_unlock_irq(lock) __write_unlock_irq(lock) +#define _raw_spin_unlock_irq(lock) __raw_spin_unlock_irq(lock) #endif #ifdef CONFIG_INLINE_SPIN_UNLOCK_IRQRESTORE -#define _spin_unlock_irqrestore(lock, flags) __spin_unlock_irqrestore(lock, flags) -#endif - -#ifdef CONFIG_INLINE_READ_UNLOCK_IRQRESTORE -#define _read_unlock_irqrestore(lock, flags) __read_unlock_irqrestore(lock, flags) -#endif - -#ifdef CONFIG_INLINE_WRITE_UNLOCK_IRQRESTORE -#define _write_unlock_irqrestore(lock, flags) __write_unlock_irqrestore(lock, flags) +#define _raw_spin_unlock_irqrestore(lock, flags) __raw_spin_unlock_irqrestore(lock, flags) #endif -static inline int __spin_trylock(spinlock_t *lock) +static inline int __raw_spin_trylock(raw_spinlock_t *lock) { preempt_disable(); - if (_raw_spin_trylock(lock)) { + if (do_raw_spin_trylock(lock)) { spin_acquire(&lock->dep_map, 0, 1, _RET_IP_); return 1; } @@ -183,28 +94,6 @@ static inline int __spin_trylock(spinlock_t *lock) return 0; } -static inline int __read_trylock(rwlock_t *lock) -{ - preempt_disable(); - if (_raw_read_trylock(lock)) { - rwlock_acquire_read(&lock->dep_map, 0, 1, _RET_IP_); - return 1; - } - preempt_enable(); - return 0; -} - -static inline int __write_trylock(rwlock_t *lock) -{ - preempt_disable(); - if (_raw_write_trylock(lock)) { - rwlock_acquire(&lock->dep_map, 0, 1, _RET_IP_); - return 1; - } - preempt_enable(); - return 0; -} - /* * If lockdep is enabled then we use the non-preemption spin-ops * even on CONFIG_PREEMPT, because lockdep assumes that interrupts are @@ -212,14 +101,7 @@ static inline int __write_trylock(rwlock_t *lock) */ #if !defined(CONFIG_GENERIC_LOCKBREAK) || defined(CONFIG_DEBUG_LOCK_ALLOC) -static inline void __read_lock(rwlock_t *lock) -{ - preempt_disable(); - rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_); - LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock); -} - -static inline unsigned long __spin_lock_irqsave(spinlock_t *lock) +static inline unsigned long __raw_spin_lock_irqsave(raw_spinlock_t *lock) { unsigned long flags; @@ -228,205 +110,79 @@ static inline unsigned long __spin_lock_irqsave(spinlock_t *lock) spin_acquire(&lock->dep_map, 0, 0, _RET_IP_); /* * On lockdep we dont want the hand-coded irq-enable of - * _raw_spin_lock_flags() code, because lockdep assumes + * do_raw_spin_lock_flags() code, because lockdep assumes * that interrupts are not re-enabled during lock-acquire: */ #ifdef CONFIG_LOCKDEP - LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock); + LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock); #else - _raw_spin_lock_flags(lock, &flags); + do_raw_spin_lock_flags(lock, &flags); #endif return flags; } -static inline void __spin_lock_irq(spinlock_t *lock) +static inline void __raw_spin_lock_irq(raw_spinlock_t *lock) { local_irq_disable(); preempt_disable(); spin_acquire(&lock->dep_map, 0, 0, _RET_IP_); - LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock); + LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock); } -static inline void __spin_lock_bh(spinlock_t *lock) +static inline void __raw_spin_lock_bh(raw_spinlock_t *lock) { local_bh_disable(); preempt_disable(); spin_acquire(&lock->dep_map, 0, 0, _RET_IP_); - LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock); -} - -static inline unsigned long __read_lock_irqsave(rwlock_t *lock) -{ - unsigned long flags; - - local_irq_save(flags); - preempt_disable(); - rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_); - LOCK_CONTENDED_FLAGS(lock, _raw_read_trylock, _raw_read_lock, - _raw_read_lock_flags, &flags); - return flags; -} - -static inline void __read_lock_irq(rwlock_t *lock) -{ - local_irq_disable(); - preempt_disable(); - rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_); - LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock); -} - -static inline void __read_lock_bh(rwlock_t *lock) -{ - local_bh_disable(); - preempt_disable(); - rwlock_acquire_read(&lock->dep_map, 0, 0, _RET_IP_); - LOCK_CONTENDED(lock, _raw_read_trylock, _raw_read_lock); -} - -static inline unsigned long __write_lock_irqsave(rwlock_t *lock) -{ - unsigned long flags; - - local_irq_save(flags); - preempt_disable(); - rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_); - LOCK_CONTENDED_FLAGS(lock, _raw_write_trylock, _raw_write_lock, - _raw_write_lock_flags, &flags); - return flags; -} - -static inline void __write_lock_irq(rwlock_t *lock) -{ - local_irq_disable(); - preempt_disable(); - rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_); - LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock); + LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock); } -static inline void __write_lock_bh(rwlock_t *lock) -{ - local_bh_disable(); - preempt_disable(); - rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_); - LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock); -} - -static inline void __spin_lock(spinlock_t *lock) +static inline void __raw_spin_lock(raw_spinlock_t *lock) { preempt_disable(); spin_acquire(&lock->dep_map, 0, 0, _RET_IP_); - LOCK_CONTENDED(lock, _raw_spin_trylock, _raw_spin_lock); -} - -static inline void __write_lock(rwlock_t *lock) -{ - preempt_disable(); - rwlock_acquire(&lock->dep_map, 0, 0, _RET_IP_); - LOCK_CONTENDED(lock, _raw_write_trylock, _raw_write_lock); + LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock); } #endif /* CONFIG_PREEMPT */ -static inline void __spin_unlock(spinlock_t *lock) +static inline void __raw_spin_unlock(raw_spinlock_t *lock) { spin_release(&lock->dep_map, 1, _RET_IP_); - _raw_spin_unlock(lock); - preempt_enable(); -} - -static inline void __write_unlock(rwlock_t *lock) -{ - rwlock_release(&lock->dep_map, 1, _RET_IP_); - _raw_write_unlock(lock); - preempt_enable(); -} - -static inline void __read_unlock(rwlock_t *lock) -{ - rwlock_release(&lock->dep_map, 1, _RET_IP_); - _raw_read_unlock(lock); + do_raw_spin_unlock(lock); preempt_enable(); } -static inline void __spin_unlock_irqrestore(spinlock_t *lock, +static inline void __raw_spin_unlock_irqrestore(raw_spinlock_t *lock, unsigned long flags) { spin_release(&lock->dep_map, 1, _RET_IP_); - _raw_spin_unlock(lock); + do_raw_spin_unlock(lock); local_irq_restore(flags); preempt_enable(); } -static inline void __spin_unlock_irq(spinlock_t *lock) +static inline void __raw_spin_unlock_irq(raw_spinlock_t *lock) { spin_release(&lock->dep_map, 1, _RET_IP_); - _raw_spin_unlock(lock); + do_raw_spin_unlock(lock); local_irq_enable(); preempt_enable(); } -static inline void __spin_unlock_bh(spinlock_t *lock) +static inline void __raw_spin_unlock_bh(raw_spinlock_t *lock) { spin_release(&lock->dep_map, 1, _RET_IP_); - _raw_spin_unlock(lock); - preempt_enable_no_resched(); - local_bh_enable_ip((unsigned long)__builtin_return_address(0)); -} - -static inline void __read_unlock_irqrestore(rwlock_t *lock, unsigned long flags) -{ - rwlock_release(&lock->dep_map, 1, _RET_IP_); - _raw_read_unlock(lock); - local_irq_restore(flags); - preempt_enable(); -} - -static inline void __read_unlock_irq(rwlock_t *lock) -{ - rwlock_release(&lock->dep_map, 1, _RET_IP_); - _raw_read_unlock(lock); - local_irq_enable(); - preempt_enable(); -} - -static inline void __read_unlock_bh(rwlock_t *lock) -{ - rwlock_release(&lock->dep_map, 1, _RET_IP_); - _raw_read_unlock(lock); + do_raw_spin_unlock(lock); preempt_enable_no_resched(); local_bh_enable_ip((unsigned long)__builtin_return_address(0)); } -static inline void __write_unlock_irqrestore(rwlock_t *lock, - unsigned long flags) -{ - rwlock_release(&lock->dep_map, 1, _RET_IP_); - _raw_write_unlock(lock); - local_irq_restore(flags); - preempt_enable(); -} - -static inline void __write_unlock_irq(rwlock_t *lock) -{ - rwlock_release(&lock->dep_map, 1, _RET_IP_); - _raw_write_unlock(lock); - local_irq_enable(); - preempt_enable(); -} - -static inline void __write_unlock_bh(rwlock_t *lock) -{ - rwlock_release(&lock->dep_map, 1, _RET_IP_); - _raw_write_unlock(lock); - preempt_enable_no_resched(); - local_bh_enable_ip((unsigned long)__builtin_return_address(0)); -} - -static inline int __spin_trylock_bh(spinlock_t *lock) +static inline int __raw_spin_trylock_bh(raw_spinlock_t *lock) { local_bh_disable(); preempt_disable(); - if (_raw_spin_trylock(lock)) { + if (do_raw_spin_trylock(lock)) { spin_acquire(&lock->dep_map, 0, 1, _RET_IP_); return 1; } @@ -435,4 +191,6 @@ static inline int __spin_trylock_bh(spinlock_t *lock) return 0; } +#include <linux/rwlock_api_smp.h> + #endif /* __LINUX_SPINLOCK_API_SMP_H */ diff --git a/include/linux/spinlock_api_up.h b/include/linux/spinlock_api_up.h index 04e1d316457..af1f47229e7 100644 --- a/include/linux/spinlock_api_up.h +++ b/include/linux/spinlock_api_up.h @@ -16,7 +16,7 @@ #define in_lock_functions(ADDR) 0 -#define assert_spin_locked(lock) do { (void)(lock); } while (0) +#define assert_raw_spin_locked(lock) do { (void)(lock); } while (0) /* * In the UP-nondebug case there's no real locking going on, so the @@ -40,7 +40,8 @@ do { preempt_enable(); __release(lock); (void)(lock); } while (0) #define __UNLOCK_BH(lock) \ - do { preempt_enable_no_resched(); local_bh_enable(); __release(lock); (void)(lock); } while (0) + do { preempt_enable_no_resched(); local_bh_enable(); \ + __release(lock); (void)(lock); } while (0) #define __UNLOCK_IRQ(lock) \ do { local_irq_enable(); __UNLOCK(lock); } while (0) @@ -48,34 +49,37 @@ #define __UNLOCK_IRQRESTORE(lock, flags) \ do { local_irq_restore(flags); __UNLOCK(lock); } while (0) -#define _spin_lock(lock) __LOCK(lock) -#define _spin_lock_nested(lock, subclass) __LOCK(lock) -#define _read_lock(lock) __LOCK(lock) -#define _write_lock(lock) __LOCK(lock) -#define _spin_lock_bh(lock) __LOCK_BH(lock) -#define _read_lock_bh(lock) __LOCK_BH(lock) -#define _write_lock_bh(lock) __LOCK_BH(lock) -#define _spin_lock_irq(lock) __LOCK_IRQ(lock) -#define _read_lock_irq(lock) __LOCK_IRQ(lock) -#define _write_lock_irq(lock) __LOCK_IRQ(lock) -#define _spin_lock_irqsave(lock, flags) __LOCK_IRQSAVE(lock, flags) -#define _read_lock_irqsave(lock, flags) __LOCK_IRQSAVE(lock, flags) -#define _write_lock_irqsave(lock, flags) __LOCK_IRQSAVE(lock, flags) -#define _spin_trylock(lock) ({ __LOCK(lock); 1; }) -#define _read_trylock(lock) ({ __LOCK(lock); 1; }) -#define _write_trylock(lock) ({ __LOCK(lock); 1; }) -#define _spin_trylock_bh(lock) ({ __LOCK_BH(lock); 1; }) -#define _spin_unlock(lock) __UNLOCK(lock) -#define _read_unlock(lock) __UNLOCK(lock) -#define _write_unlock(lock) __UNLOCK(lock) -#define _spin_unlock_bh(lock) __UNLOCK_BH(lock) -#define _write_unlock_bh(lock) __UNLOCK_BH(lock) -#define _read_unlock_bh(lock) __UNLOCK_BH(lock) -#define _spin_unlock_irq(lock) __UNLOCK_IRQ(lock) -#define _read_unlock_irq(lock) __UNLOCK_IRQ(lock) -#define _write_unlock_irq(lock) __UNLOCK_IRQ(lock) -#define _spin_unlock_irqrestore(lock, flags) __UNLOCK_IRQRESTORE(lock, flags) -#define _read_unlock_irqrestore(lock, flags) __UNLOCK_IRQRESTORE(lock, flags) -#define _write_unlock_irqrestore(lock, flags) __UNLOCK_IRQRESTORE(lock, flags) +#define _raw_spin_lock(lock) __LOCK(lock) +#define _raw_spin_lock_nested(lock, subclass) __LOCK(lock) +#define _raw_read_lock(lock) __LOCK(lock) +#define _raw_write_lock(lock) __LOCK(lock) +#define _raw_spin_lock_bh(lock) __LOCK_BH(lock) +#define _raw_read_lock_bh(lock) __LOCK_BH(lock) +#define _raw_write_lock_bh(lock) __LOCK_BH(lock) +#define _raw_spin_lock_irq(lock) __LOCK_IRQ(lock) +#define _raw_read_lock_irq(lock) __LOCK_IRQ(lock) +#define _raw_write_lock_irq(lock) __LOCK_IRQ(lock) +#define _raw_spin_lock_irqsave(lock, flags) __LOCK_IRQSAVE(lock, flags) +#define _raw_read_lock_irqsave(lock, flags) __LOCK_IRQSAVE(lock, flags) +#define _raw_write_lock_irqsave(lock, flags) __LOCK_IRQSAVE(lock, flags) +#define _raw_spin_trylock(lock) ({ __LOCK(lock); 1; }) +#define _raw_read_trylock(lock) ({ __LOCK(lock); 1; }) +#define _raw_write_trylock(lock) ({ __LOCK(lock); 1; }) +#define _raw_spin_trylock_bh(lock) ({ __LOCK_BH(lock); 1; }) +#define _raw_spin_unlock(lock) __UNLOCK(lock) +#define _raw_read_unlock(lock) __UNLOCK(lock) +#define _raw_write_unlock(lock) __UNLOCK(lock) +#define _raw_spin_unlock_bh(lock) __UNLOCK_BH(lock) +#define _raw_write_unlock_bh(lock) __UNLOCK_BH(lock) +#define _raw_read_unlock_bh(lock) __UNLOCK_BH(lock) +#define _raw_spin_unlock_irq(lock) __UNLOCK_IRQ(lock) +#define _raw_read_unlock_irq(lock) __UNLOCK_IRQ(lock) +#define _raw_write_unlock_irq(lock) __UNLOCK_IRQ(lock) +#define _raw_spin_unlock_irqrestore(lock, flags) \ + __UNLOCK_IRQRESTORE(lock, flags) +#define _raw_read_unlock_irqrestore(lock, flags) \ + __UNLOCK_IRQRESTORE(lock, flags) +#define _raw_write_unlock_irqrestore(lock, flags) \ + __UNLOCK_IRQRESTORE(lock, flags) #endif /* __LINUX_SPINLOCK_API_UP_H */ diff --git a/include/linux/spinlock_types.h b/include/linux/spinlock_types.h index 68d88f71f1a..851b7783720 100644 --- a/include/linux/spinlock_types.h +++ b/include/linux/spinlock_types.h @@ -17,8 +17,8 @@ #include <linux/lockdep.h> -typedef struct { - raw_spinlock_t raw_lock; +typedef struct raw_spinlock { + arch_spinlock_t raw_lock; #ifdef CONFIG_GENERIC_LOCKBREAK unsigned int break_lock; #endif @@ -29,26 +29,10 @@ typedef struct { #ifdef CONFIG_DEBUG_LOCK_ALLOC struct lockdep_map dep_map; #endif -} spinlock_t; +} raw_spinlock_t; #define SPINLOCK_MAGIC 0xdead4ead -typedef struct { - raw_rwlock_t raw_lock; -#ifdef CONFIG_GENERIC_LOCKBREAK - unsigned int break_lock; -#endif -#ifdef CONFIG_DEBUG_SPINLOCK - unsigned int magic, owner_cpu; - void *owner; -#endif -#ifdef CONFIG_DEBUG_LOCK_ALLOC - struct lockdep_map dep_map; -#endif -} rwlock_t; - -#define RWLOCK_MAGIC 0xdeaf1eed - #define SPINLOCK_OWNER_INIT ((void *)-1L) #ifdef CONFIG_DEBUG_LOCK_ALLOC @@ -57,44 +41,56 @@ typedef struct { # define SPIN_DEP_MAP_INIT(lockname) #endif -#ifdef CONFIG_DEBUG_LOCK_ALLOC -# define RW_DEP_MAP_INIT(lockname) .dep_map = { .name = #lockname } +#ifdef CONFIG_DEBUG_SPINLOCK +# define SPIN_DEBUG_INIT(lockname) \ + .magic = SPINLOCK_MAGIC, \ + .owner_cpu = -1, \ + .owner = SPINLOCK_OWNER_INIT, #else -# define RW_DEP_MAP_INIT(lockname) +# define SPIN_DEBUG_INIT(lockname) #endif -#ifdef CONFIG_DEBUG_SPINLOCK -# define __SPIN_LOCK_UNLOCKED(lockname) \ - (spinlock_t) { .raw_lock = __RAW_SPIN_LOCK_UNLOCKED, \ - .magic = SPINLOCK_MAGIC, \ - .owner = SPINLOCK_OWNER_INIT, \ - .owner_cpu = -1, \ - SPIN_DEP_MAP_INIT(lockname) } -#define __RW_LOCK_UNLOCKED(lockname) \ - (rwlock_t) { .raw_lock = __RAW_RW_LOCK_UNLOCKED, \ - .magic = RWLOCK_MAGIC, \ - .owner = SPINLOCK_OWNER_INIT, \ - .owner_cpu = -1, \ - RW_DEP_MAP_INIT(lockname) } -#else -# define __SPIN_LOCK_UNLOCKED(lockname) \ - (spinlock_t) { .raw_lock = __RAW_SPIN_LOCK_UNLOCKED, \ - SPIN_DEP_MAP_INIT(lockname) } -#define __RW_LOCK_UNLOCKED(lockname) \ - (rwlock_t) { .raw_lock = __RAW_RW_LOCK_UNLOCKED, \ - RW_DEP_MAP_INIT(lockname) } +#define __RAW_SPIN_LOCK_INITIALIZER(lockname) \ + { \ + .raw_lock = __ARCH_SPIN_LOCK_UNLOCKED, \ + SPIN_DEBUG_INIT(lockname) \ + SPIN_DEP_MAP_INIT(lockname) } + +#define __RAW_SPIN_LOCK_UNLOCKED(lockname) \ + (raw_spinlock_t) __RAW_SPIN_LOCK_INITIALIZER(lockname) + +#define DEFINE_RAW_SPINLOCK(x) raw_spinlock_t x = __RAW_SPIN_LOCK_UNLOCKED(x) + +typedef struct spinlock { + union { + struct raw_spinlock rlock; + +#ifdef CONFIG_DEBUG_LOCK_ALLOC +# define LOCK_PADSIZE (offsetof(struct raw_spinlock, dep_map)) + struct { + u8 __padding[LOCK_PADSIZE]; + struct lockdep_map dep_map; + }; #endif + }; +} spinlock_t; + +#define __SPIN_LOCK_INITIALIZER(lockname) \ + { { .rlock = __RAW_SPIN_LOCK_INITIALIZER(lockname) } } + +#define __SPIN_LOCK_UNLOCKED(lockname) \ + (spinlock_t ) __SPIN_LOCK_INITIALIZER(lockname) /* - * SPIN_LOCK_UNLOCKED and RW_LOCK_UNLOCKED defeat lockdep state tracking and - * are hence deprecated. - * Please use DEFINE_SPINLOCK()/DEFINE_RWLOCK() or - * __SPIN_LOCK_UNLOCKED()/__RW_LOCK_UNLOCKED() as appropriate. + * SPIN_LOCK_UNLOCKED defeats lockdep state tracking and is hence + * deprecated. + * Please use DEFINE_SPINLOCK() or __SPIN_LOCK_UNLOCKED() as + * appropriate. */ #define SPIN_LOCK_UNLOCKED __SPIN_LOCK_UNLOCKED(old_style_spin_init) -#define RW_LOCK_UNLOCKED __RW_LOCK_UNLOCKED(old_style_rw_init) #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x) -#define DEFINE_RWLOCK(x) rwlock_t x = __RW_LOCK_UNLOCKED(x) + +#include <linux/rwlock_types.h> #endif /* __LINUX_SPINLOCK_TYPES_H */ diff --git a/include/linux/spinlock_types_up.h b/include/linux/spinlock_types_up.h index 04135b0e198..c09b6407ae1 100644 --- a/include/linux/spinlock_types_up.h +++ b/include/linux/spinlock_types_up.h @@ -16,22 +16,22 @@ typedef struct { volatile unsigned int slock; -} raw_spinlock_t; +} arch_spinlock_t; -#define __RAW_SPIN_LOCK_UNLOCKED { 1 } +#define __ARCH_SPIN_LOCK_UNLOCKED { 1 } #else -typedef struct { } raw_spinlock_t; +typedef struct { } arch_spinlock_t; -#define __RAW_SPIN_LOCK_UNLOCKED { } +#define __ARCH_SPIN_LOCK_UNLOCKED { } #endif typedef struct { /* no debug version on UP */ -} raw_rwlock_t; +} arch_rwlock_t; -#define __RAW_RW_LOCK_UNLOCKED { } +#define __ARCH_RW_LOCK_UNLOCKED { } #endif /* __LINUX_SPINLOCK_TYPES_UP_H */ diff --git a/include/linux/spinlock_up.h b/include/linux/spinlock_up.h index d4841ed8215..b14f6a91e19 100644 --- a/include/linux/spinlock_up.h +++ b/include/linux/spinlock_up.h @@ -18,21 +18,21 @@ */ #ifdef CONFIG_DEBUG_SPINLOCK -#define __raw_spin_is_locked(x) ((x)->slock == 0) +#define arch_spin_is_locked(x) ((x)->slock == 0) -static inline void __raw_spin_lock(raw_spinlock_t *lock) +static inline void arch_spin_lock(arch_spinlock_t *lock) { lock->slock = 0; } static inline void -__raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags) +arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags) { local_irq_save(flags); lock->slock = 0; } -static inline int __raw_spin_trylock(raw_spinlock_t *lock) +static inline int arch_spin_trylock(arch_spinlock_t *lock) { char oldval = lock->slock; @@ -41,7 +41,7 @@ static inline int __raw_spin_trylock(raw_spinlock_t *lock) return oldval > 0; } -static inline void __raw_spin_unlock(raw_spinlock_t *lock) +static inline void arch_spin_unlock(arch_spinlock_t *lock) { lock->slock = 1; } @@ -49,28 +49,28 @@ static inline void __raw_spin_unlock(raw_spinlock_t *lock) /* * Read-write spinlocks. No debug version. */ -#define __raw_read_lock(lock) do { (void)(lock); } while (0) -#define __raw_write_lock(lock) do { (void)(lock); } while (0) -#define __raw_read_trylock(lock) ({ (void)(lock); 1; }) -#define __raw_write_trylock(lock) ({ (void)(lock); 1; }) -#define __raw_read_unlock(lock) do { (void)(lock); } while (0) -#define __raw_write_unlock(lock) do { (void)(lock); } while (0) +#define arch_read_lock(lock) do { (void)(lock); } while (0) +#define arch_write_lock(lock) do { (void)(lock); } while (0) +#define arch_read_trylock(lock) ({ (void)(lock); 1; }) +#define arch_write_trylock(lock) ({ (void)(lock); 1; }) +#define arch_read_unlock(lock) do { (void)(lock); } while (0) +#define arch_write_unlock(lock) do { (void)(lock); } while (0) #else /* DEBUG_SPINLOCK */ -#define __raw_spin_is_locked(lock) ((void)(lock), 0) +#define arch_spin_is_locked(lock) ((void)(lock), 0) /* for sched.c and kernel_lock.c: */ -# define __raw_spin_lock(lock) do { (void)(lock); } while (0) -# define __raw_spin_lock_flags(lock, flags) do { (void)(lock); } while (0) -# define __raw_spin_unlock(lock) do { (void)(lock); } while (0) -# define __raw_spin_trylock(lock) ({ (void)(lock); 1; }) +# define arch_spin_lock(lock) do { (void)(lock); } while (0) +# define arch_spin_lock_flags(lock, flags) do { (void)(lock); } while (0) +# define arch_spin_unlock(lock) do { (void)(lock); } while (0) +# define arch_spin_trylock(lock) ({ (void)(lock); 1; }) #endif /* DEBUG_SPINLOCK */ -#define __raw_spin_is_contended(lock) (((void)(lock), 0)) +#define arch_spin_is_contended(lock) (((void)(lock), 0)) -#define __raw_read_can_lock(lock) (((void)(lock), 1)) -#define __raw_write_can_lock(lock) (((void)(lock), 1)) +#define arch_read_can_lock(lock) (((void)(lock), 1)) +#define arch_write_can_lock(lock) (((void)(lock), 1)) -#define __raw_spin_unlock_wait(lock) \ - do { cpu_relax(); } while (__raw_spin_is_locked(lock)) +#define arch_spin_unlock_wait(lock) \ + do { cpu_relax(); } while (arch_spin_is_locked(lock)) #endif /* __LINUX_SPINLOCK_UP_H */ diff --git a/include/linux/string.h b/include/linux/string.h index b8508868d5a..651839a2a75 100644 --- a/include/linux/string.h +++ b/include/linux/string.h @@ -62,7 +62,15 @@ extern char * strnchr(const char *, size_t, int); #ifndef __HAVE_ARCH_STRRCHR extern char * strrchr(const char *,int); #endif -extern char * __must_check strstrip(char *); +extern char * __must_check skip_spaces(const char *); + +extern char *strim(char *); + +static inline __must_check char *strstrip(char *str) +{ + return strim(str); +} + #ifndef __HAVE_ARCH_STRSTR extern char * strstr(const char *,const char *); #endif diff --git a/include/linux/sunrpc/debug.h b/include/linux/sunrpc/debug.h index 10709cbe96f..c2786f20016 100644 --- a/include/linux/sunrpc/debug.h +++ b/include/linux/sunrpc/debug.h @@ -28,9 +28,6 @@ #ifdef __KERNEL__ -#include <linux/timer.h> -#include <linux/workqueue.h> - /* * Enable RPC debugging/profiling. */ diff --git a/include/linux/sunrpc/rpc_rdma.h b/include/linux/sunrpc/rpc_rdma.h index 87b895d5c78..b78f16b1dea 100644 --- a/include/linux/sunrpc/rpc_rdma.h +++ b/include/linux/sunrpc/rpc_rdma.h @@ -40,6 +40,8 @@ #ifndef _LINUX_SUNRPC_RPC_RDMA_H #define _LINUX_SUNRPC_RPC_RDMA_H +#include <linux/types.h> + struct rpcrdma_segment { __be32 rs_handle; /* Registered memory handle */ __be32 rs_length; /* Length of the chunk in bytes */ diff --git a/include/linux/sunrpc/svc.h b/include/linux/sunrpc/svc.h index 52e8cb0a756..5a3085b9b39 100644 --- a/include/linux/sunrpc/svc.h +++ b/include/linux/sunrpc/svc.h @@ -29,7 +29,6 @@ struct svc_pool_stats { unsigned long packets; unsigned long sockets_queued; unsigned long threads_woken; - unsigned long overloads_avoided; unsigned long threads_timedout; }; @@ -50,7 +49,6 @@ struct svc_pool { struct list_head sp_sockets; /* pending sockets */ unsigned int sp_nrthreads; /* # of threads in pool */ struct list_head sp_all_threads; /* all server threads */ - int sp_nwaking; /* number of threads woken but not yet active */ struct svc_pool_stats sp_stats; /* statistics on pool operation */ } ____cacheline_aligned_in_smp; @@ -275,16 +273,11 @@ struct svc_rqst { struct auth_domain * rq_client; /* RPC peer info */ struct auth_domain * rq_gssclient; /* "gss/"-style peer info */ struct svc_cacherep * rq_cacherep; /* cache info */ - struct knfsd_fh * rq_reffh; /* Referrence filehandle, used to - * determine what device number - * to report (real or virtual) - */ int rq_splice_ok; /* turned off in gss privacy * to prevent encrypting page * cache pages */ wait_queue_head_t rq_wait; /* synchronization */ struct task_struct *rq_task; /* service thread */ - int rq_waking; /* 1 if thread is being woken */ }; /* diff --git a/include/linux/swap.h b/include/linux/swap.h index 4ec90019c1a..a2602a8207a 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -145,38 +145,43 @@ enum { SWP_DISCARDABLE = (1 << 2), /* blkdev supports discard */ SWP_DISCARDING = (1 << 3), /* now discarding a free cluster */ SWP_SOLIDSTATE = (1 << 4), /* blkdev seeks are cheap */ + SWP_CONTINUED = (1 << 5), /* swap_map has count continuation */ /* add others here before... */ SWP_SCANNING = (1 << 8), /* refcount in scan_swap_map */ }; #define SWAP_CLUSTER_MAX 32 -#define SWAP_MAP_MAX 0x7ffe -#define SWAP_MAP_BAD 0x7fff -#define SWAP_HAS_CACHE 0x8000 /* There is a swap cache of entry. */ -#define SWAP_COUNT_MASK (~SWAP_HAS_CACHE) +#define SWAP_MAP_MAX 0x3e /* Max duplication count, in first swap_map */ +#define SWAP_MAP_BAD 0x3f /* Note pageblock is bad, in first swap_map */ +#define SWAP_HAS_CACHE 0x40 /* Flag page is cached, in first swap_map */ +#define SWAP_CONT_MAX 0x7f /* Max count, in each swap_map continuation */ +#define COUNT_CONTINUED 0x80 /* See swap_map continuation for full count */ +#define SWAP_MAP_SHMEM 0xbf /* Owned by shmem/tmpfs, in first swap_map */ + /* * The in-memory structure used to track swap areas. */ struct swap_info_struct { - unsigned long flags; - int prio; /* swap priority */ - int next; /* next entry on swap list */ - struct file *swap_file; - struct block_device *bdev; - struct list_head extent_list; - struct swap_extent *curr_swap_extent; - unsigned short *swap_map; - unsigned int lowest_bit; - unsigned int highest_bit; + unsigned long flags; /* SWP_USED etc: see above */ + signed short prio; /* swap priority of this type */ + signed char type; /* strange name for an index */ + signed char next; /* next type on the swap list */ + unsigned int max; /* extent of the swap_map */ + unsigned char *swap_map; /* vmalloc'ed array of usage counts */ + unsigned int lowest_bit; /* index of first free in swap_map */ + unsigned int highest_bit; /* index of last free in swap_map */ + unsigned int pages; /* total of usable pages of swap */ + unsigned int inuse_pages; /* number of those currently in use */ + unsigned int cluster_next; /* likely index for next allocation */ + unsigned int cluster_nr; /* countdown to next cluster search */ unsigned int lowest_alloc; /* while preparing discard cluster */ unsigned int highest_alloc; /* while preparing discard cluster */ - unsigned int cluster_next; - unsigned int cluster_nr; - unsigned int pages; - unsigned int max; - unsigned int inuse_pages; - unsigned int old_block_size; + struct swap_extent *curr_swap_extent; + struct swap_extent first_swap_extent; + struct block_device *bdev; /* swap device or bdev of swap file */ + struct file *swap_file; /* seldom referenced */ + unsigned int old_block_size; /* seldom referenced */ }; struct swap_list_t { @@ -273,6 +278,7 @@ extern int scan_unevictable_register_node(struct node *node); extern void scan_unevictable_unregister_node(struct node *node); extern int kswapd_run(int nid); +extern void kswapd_stop(int nid); #ifdef CONFIG_MMU /* linux/mm/shmem.c */ @@ -309,17 +315,18 @@ extern long total_swap_pages; extern void si_swapinfo(struct sysinfo *); extern swp_entry_t get_swap_page(void); extern swp_entry_t get_swap_page_of_type(int); -extern void swap_duplicate(swp_entry_t); -extern int swapcache_prepare(swp_entry_t); extern int valid_swaphandles(swp_entry_t, unsigned long *); +extern int add_swap_count_continuation(swp_entry_t, gfp_t); +extern void swap_shmem_alloc(swp_entry_t); +extern int swap_duplicate(swp_entry_t); +extern int swapcache_prepare(swp_entry_t); extern void swap_free(swp_entry_t); extern void swapcache_free(swp_entry_t, struct page *page); extern int free_swap_and_cache(swp_entry_t); extern int swap_type_of(dev_t, sector_t, struct block_device **); extern unsigned int count_swap_pages(int, int); -extern sector_t map_swap_page(struct swap_info_struct *, pgoff_t); +extern sector_t map_swap_page(struct page *, struct block_device **); extern sector_t swapdev_block(int, pgoff_t); -extern struct swap_info_struct *get_swap_info_struct(unsigned); extern int reuse_swap_page(struct page *); extern int try_to_free_swap(struct page *); struct backing_dev_info; @@ -384,8 +391,18 @@ static inline void show_swap_cache_info(void) #define free_swap_and_cache(swp) is_migration_entry(swp) #define swapcache_prepare(swp) is_migration_entry(swp) -static inline void swap_duplicate(swp_entry_t swp) +static inline int add_swap_count_continuation(swp_entry_t swp, gfp_t gfp_mask) { + return 0; +} + +static inline void swap_shmem_alloc(swp_entry_t swp) +{ +} + +static inline int swap_duplicate(swp_entry_t swp) +{ + return 0; } static inline void swap_free(swp_entry_t swp) diff --git a/include/linux/timb_gpio.h b/include/linux/timb_gpio.h new file mode 100644 index 00000000000..ce456eaae86 --- /dev/null +++ b/include/linux/timb_gpio.h @@ -0,0 +1,37 @@ +/* + * timb_gpio.h timberdale FPGA GPIO driver, platform data definition + * Copyright (c) 2009 Intel Corporation + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef _LINUX_TIMB_GPIO_H +#define _LINUX_TIMB_GPIO_H + +/** + * struct timbgpio_platform_data - Platform data of the Timberdale GPIO driver + * @gpio_base The number of the first GPIO pin, set to -1 for + * dynamic number allocation. + * @nr_pins Number of pins that is supported by the hardware (1-32) + * @irq_base If IRQ is supported by the hardware, this is the base + * number of IRQ:s. One IRQ per pin will be used. Set to + * -1 if IRQ:s is not supported. + */ +struct timbgpio_platform_data { + int gpio_base; + int nr_pins; + int irq_base; +}; + +#endif diff --git a/include/linux/tracehook.h b/include/linux/tracehook.h index 1eb44a924e5..10db0102a89 100644 --- a/include/linux/tracehook.h +++ b/include/linux/tracehook.h @@ -134,6 +134,13 @@ static inline __must_check int tracehook_report_syscall_entry( */ static inline void tracehook_report_syscall_exit(struct pt_regs *regs, int step) { + if (step) { + siginfo_t info; + user_single_step_siginfo(current, regs, &info); + force_sig_info(SIGTRAP, &info, current); + return; + } + ptrace_report_syscall(regs); } diff --git a/include/linux/tty.h b/include/linux/tty.h index 405a9035fe4..ef3a2947b10 100644 --- a/include/linux/tty.h +++ b/include/linux/tty.h @@ -350,8 +350,6 @@ extern void tty_write_flush(struct tty_struct *); extern struct ktermios tty_std_termios; -extern int kmsg_redirect; - extern void console_init(void); extern int vcs_init(void); diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h index 32b92298fd7..d4962a782b8 100644 --- a/include/linux/videodev2.h +++ b/include/linux/videodev2.h @@ -294,6 +294,7 @@ struct v4l2_pix_format { /* Grey formats */ #define V4L2_PIX_FMT_GREY v4l2_fourcc('G', 'R', 'E', 'Y') /* 8 Greyscale */ +#define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ /* Palette formats */ @@ -329,7 +330,11 @@ struct v4l2_pix_format { #define V4L2_PIX_FMT_SBGGR8 v4l2_fourcc('B', 'A', '8', '1') /* 8 BGBG.. GRGR.. */ #define V4L2_PIX_FMT_SGBRG8 v4l2_fourcc('G', 'B', 'R', 'G') /* 8 GBGB.. RGRG.. */ #define V4L2_PIX_FMT_SGRBG8 v4l2_fourcc('G', 'R', 'B', 'G') /* 8 GRGR.. BGBG.. */ -#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10bit raw bayer */ +#define V4L2_PIX_FMT_SRGGB8 v4l2_fourcc('R', 'G', 'G', 'B') /* 8 RGRG.. GBGB.. */ +#define V4L2_PIX_FMT_SBGGR10 v4l2_fourcc('B', 'G', '1', '0') /* 10 BGBG.. GRGR.. */ +#define V4L2_PIX_FMT_SGBRG10 v4l2_fourcc('G', 'B', '1', '0') /* 10 GBGB.. RGRG.. */ +#define V4L2_PIX_FMT_SGRBG10 v4l2_fourcc('B', 'A', '1', '0') /* 10 GRGR.. BGBG.. */ +#define V4L2_PIX_FMT_SRGGB10 v4l2_fourcc('R', 'G', '1', '0') /* 10 RGRG.. GBGB.. */ /* 10bit raw bayer DPCM compressed to 8 bits */ #define V4L2_PIX_FMT_SGRBG10DPCM8 v4l2_fourcc('B', 'D', '1', '0') /* @@ -732,6 +737,99 @@ struct v4l2_standard { }; /* + * V I D E O T I M I N G S D V P R E S E T + */ +struct v4l2_dv_preset { + __u32 preset; + __u32 reserved[4]; +}; + +/* + * D V P R E S E T S E N U M E R A T I O N + */ +struct v4l2_dv_enum_preset { + __u32 index; + __u32 preset; + __u8 name[32]; /* Name of the preset timing */ + __u32 width; + __u32 height; + __u32 reserved[4]; +}; + +/* + * D V P R E S E T V A L U E S + */ +#define V4L2_DV_INVALID 0 +#define V4L2_DV_480P59_94 1 /* BT.1362 */ +#define V4L2_DV_576P50 2 /* BT.1362 */ +#define V4L2_DV_720P24 3 /* SMPTE 296M */ +#define V4L2_DV_720P25 4 /* SMPTE 296M */ +#define V4L2_DV_720P30 5 /* SMPTE 296M */ +#define V4L2_DV_720P50 6 /* SMPTE 296M */ +#define V4L2_DV_720P59_94 7 /* SMPTE 274M */ +#define V4L2_DV_720P60 8 /* SMPTE 274M/296M */ +#define V4L2_DV_1080I29_97 9 /* BT.1120/ SMPTE 274M */ +#define V4L2_DV_1080I30 10 /* BT.1120/ SMPTE 274M */ +#define V4L2_DV_1080I25 11 /* BT.1120 */ +#define V4L2_DV_1080I50 12 /* SMPTE 296M */ +#define V4L2_DV_1080I60 13 /* SMPTE 296M */ +#define V4L2_DV_1080P24 14 /* SMPTE 296M */ +#define V4L2_DV_1080P25 15 /* SMPTE 296M */ +#define V4L2_DV_1080P30 16 /* SMPTE 296M */ +#define V4L2_DV_1080P50 17 /* BT.1120 */ +#define V4L2_DV_1080P60 18 /* BT.1120 */ + +/* + * D V B T T I M I N G S + */ + +/* BT.656/BT.1120 timing data */ +struct v4l2_bt_timings { + __u32 width; /* width in pixels */ + __u32 height; /* height in lines */ + __u32 interlaced; /* Interlaced or progressive */ + __u32 polarities; /* Positive or negative polarity */ + __u64 pixelclock; /* Pixel clock in HZ. Ex. 74.25MHz->74250000 */ + __u32 hfrontporch; /* Horizpontal front porch in pixels */ + __u32 hsync; /* Horizontal Sync length in pixels */ + __u32 hbackporch; /* Horizontal back porch in pixels */ + __u32 vfrontporch; /* Vertical front porch in pixels */ + __u32 vsync; /* Vertical Sync length in lines */ + __u32 vbackporch; /* Vertical back porch in lines */ + __u32 il_vfrontporch; /* Vertical front porch for bottom field of + * interlaced field formats + */ + __u32 il_vsync; /* Vertical sync length for bottom field of + * interlaced field formats + */ + __u32 il_vbackporch; /* Vertical back porch for bottom field of + * interlaced field formats + */ + __u32 reserved[16]; +} __attribute__ ((packed)); + +/* Interlaced or progressive format */ +#define V4L2_DV_PROGRESSIVE 0 +#define V4L2_DV_INTERLACED 1 + +/* Polarities. If bit is not set, it is assumed to be negative polarity */ +#define V4L2_DV_VSYNC_POS_POL 0x00000001 +#define V4L2_DV_HSYNC_POS_POL 0x00000002 + + +/* DV timings */ +struct v4l2_dv_timings { + __u32 type; + union { + struct v4l2_bt_timings bt; + __u32 reserved[32]; + }; +} __attribute__ ((packed)); + +/* Values for the type field */ +#define V4L2_DV_BT_656_1120 0 /* BT.656/1120 timing type */ + +/* * V I D E O I N P U T S */ struct v4l2_input { @@ -742,7 +840,8 @@ struct v4l2_input { __u32 tuner; /* Associated tuner */ v4l2_std_id std; __u32 status; - __u32 reserved[4]; + __u32 capabilities; + __u32 reserved[3]; }; /* Values for the 'type' field */ @@ -773,6 +872,11 @@ struct v4l2_input { #define V4L2_IN_ST_NO_ACCESS 0x02000000 /* Conditional access denied */ #define V4L2_IN_ST_VTR 0x04000000 /* VTR time constant */ +/* capabilities flags */ +#define V4L2_IN_CAP_PRESETS 0x00000001 /* Supports S_DV_PRESET */ +#define V4L2_IN_CAP_CUSTOM_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ +#define V4L2_IN_CAP_STD 0x00000004 /* Supports S_STD */ + /* * V I D E O O U T P U T S */ @@ -783,13 +887,19 @@ struct v4l2_output { __u32 audioset; /* Associated audios (bitfield) */ __u32 modulator; /* Associated modulator */ v4l2_std_id std; - __u32 reserved[4]; + __u32 capabilities; + __u32 reserved[3]; }; /* Values for the 'type' field */ #define V4L2_OUTPUT_TYPE_MODULATOR 1 #define V4L2_OUTPUT_TYPE_ANALOG 2 #define V4L2_OUTPUT_TYPE_ANALOGVGAOVERLAY 3 +/* capabilities flags */ +#define V4L2_OUT_CAP_PRESETS 0x00000001 /* Supports S_DV_PRESET */ +#define V4L2_OUT_CAP_CUSTOM_TIMINGS 0x00000002 /* Supports S_DV_TIMINGS */ +#define V4L2_OUT_CAP_STD 0x00000004 /* Supports S_STD */ + /* * C O N T R O L S */ @@ -1624,6 +1734,13 @@ struct v4l2_dbg_chip_ident { #endif #define VIDIOC_S_HW_FREQ_SEEK _IOW('V', 82, struct v4l2_hw_freq_seek) +#define VIDIOC_ENUM_DV_PRESETS _IOWR('V', 83, struct v4l2_dv_enum_preset) +#define VIDIOC_S_DV_PRESET _IOWR('V', 84, struct v4l2_dv_preset) +#define VIDIOC_G_DV_PRESET _IOWR('V', 85, struct v4l2_dv_preset) +#define VIDIOC_QUERY_DV_PRESET _IOR('V', 86, struct v4l2_dv_preset) +#define VIDIOC_S_DV_TIMINGS _IOWR('V', 87, struct v4l2_dv_timings) +#define VIDIOC_G_DV_TIMINGS _IOWR('V', 88, struct v4l2_dv_timings) + /* Reminder: when adding new ioctls please add support for them to drivers/media/video/v4l2-compat-ioctl32.c as well! */ diff --git a/include/linux/vmstat.h b/include/linux/vmstat.h index d85889710f9..ee03bba9c5d 100644 --- a/include/linux/vmstat.h +++ b/include/linux/vmstat.h @@ -40,6 +40,8 @@ enum vm_event_item { PGPGIN, PGPGOUT, PSWPIN, PSWPOUT, PGSCAN_ZONE_RECLAIM_FAILED, #endif PGINODESTEAL, SLABS_SCANNED, KSWAPD_STEAL, KSWAPD_INODESTEAL, + KSWAPD_LOW_WMARK_HIT_QUICKLY, KSWAPD_HIGH_WMARK_HIT_QUICKLY, + KSWAPD_SKIP_CONGESTION_WAIT, PAGEOUTRUN, ALLOCSTALL, PGROTATED, #ifdef CONFIG_HUGETLB_PAGE HTLB_BUDDY_PGALLOC, HTLB_BUDDY_PGALLOC_FAIL, diff --git a/include/linux/vt.h b/include/linux/vt.h index 7ffa11f0623..3fb9944e50a 100644 --- a/include/linux/vt.h +++ b/include/linux/vt.h @@ -84,4 +84,19 @@ struct vt_setactivate { #define VT_SETACTIVATE 0x560F /* Activate and set the mode of a console */ +#ifdef CONFIG_VT_CONSOLE + +extern int vt_kmsg_redirect(int new); + +#else + +static inline int vt_kmsg_redirect(int new) +{ + return 0; +} + +#endif + +#define vt_get_kmsg_redirect() vt_kmsg_redirect(-1) + #endif /* _LINUX_VT_H */ |