diff options
Diffstat (limited to 'fs/xfs/linux-2.6')
-rw-r--r-- | fs/xfs/linux-2.6/kmem.h | 19 | ||||
-rw-r--r-- | fs/xfs/linux-2.6/xfs_aops.c | 43 | ||||
-rw-r--r-- | fs/xfs/linux-2.6/xfs_buf.c | 59 | ||||
-rw-r--r-- | fs/xfs/linux-2.6/xfs_buf.h | 2 | ||||
-rw-r--r-- | fs/xfs/linux-2.6/xfs_file.c | 37 | ||||
-rw-r--r-- | fs/xfs/linux-2.6/xfs_globals.c | 1 | ||||
-rw-r--r-- | fs/xfs/linux-2.6/xfs_ioctl.c | 2 | ||||
-rw-r--r-- | fs/xfs/linux-2.6/xfs_ioctl32.c | 321 | ||||
-rw-r--r-- | fs/xfs/linux-2.6/xfs_linux.h | 2 | ||||
-rw-r--r-- | fs/xfs/linux-2.6/xfs_lrw.c | 46 | ||||
-rw-r--r-- | fs/xfs/linux-2.6/xfs_lrw.h | 3 | ||||
-rw-r--r-- | fs/xfs/linux-2.6/xfs_super.c | 5 | ||||
-rw-r--r-- | fs/xfs/linux-2.6/xfs_sysctl.c | 11 | ||||
-rw-r--r-- | fs/xfs/linux-2.6/xfs_sysctl.h | 2 | ||||
-rw-r--r-- | fs/xfs/linux-2.6/xfs_vfs.h | 15 | ||||
-rw-r--r-- | fs/xfs/linux-2.6/xfs_vnode.h | 11 |
16 files changed, 390 insertions, 189 deletions
diff --git a/fs/xfs/linux-2.6/kmem.h b/fs/xfs/linux-2.6/kmem.h index 9ebabdf7829..4b6470cf87f 100644 --- a/fs/xfs/linux-2.6/kmem.h +++ b/fs/xfs/linux-2.6/kmem.h @@ -100,25 +100,6 @@ kmem_zone_destroy(kmem_zone_t *zone) extern void *kmem_zone_alloc(kmem_zone_t *, unsigned int __nocast); extern void *kmem_zone_zalloc(kmem_zone_t *, unsigned int __nocast); -/* - * Low memory cache shrinkers - */ - -typedef struct shrinker *kmem_shaker_t; -typedef int (*kmem_shake_func_t)(int, gfp_t); - -static inline kmem_shaker_t -kmem_shake_register(kmem_shake_func_t sfunc) -{ - return set_shrinker(DEFAULT_SEEKS, sfunc); -} - -static inline void -kmem_shake_deregister(kmem_shaker_t shrinker) -{ - remove_shrinker(shrinker); -} - static inline int kmem_shake_allow(gfp_t gfp_mask) { diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c index 7361861e3aa..fd4105d662e 100644 --- a/fs/xfs/linux-2.6/xfs_aops.c +++ b/fs/xfs/linux-2.6/xfs_aops.c @@ -108,14 +108,19 @@ xfs_page_trace( /* * Schedule IO completion handling on a xfsdatad if this was - * the final hold on this ioend. + * the final hold on this ioend. If we are asked to wait, + * flush the workqueue. */ STATIC void xfs_finish_ioend( - xfs_ioend_t *ioend) + xfs_ioend_t *ioend, + int wait) { - if (atomic_dec_and_test(&ioend->io_remaining)) + if (atomic_dec_and_test(&ioend->io_remaining)) { queue_work(xfsdatad_workqueue, &ioend->io_work); + if (wait) + flush_workqueue(xfsdatad_workqueue); + } } /* @@ -156,6 +161,8 @@ xfs_setfilesize( xfs_fsize_t bsize; ip = xfs_vtoi(ioend->io_vnode); + if (!ip) + return; ASSERT((ip->i_d.di_mode & S_IFMT) == S_IFREG); ASSERT(ioend->io_type != IOMAP_READ); @@ -334,7 +341,7 @@ xfs_end_bio( bio->bi_end_io = NULL; bio_put(bio); - xfs_finish_ioend(ioend); + xfs_finish_ioend(ioend, 0); return 0; } @@ -470,7 +477,7 @@ xfs_submit_ioend( } if (bio) xfs_submit_ioend_bio(ioend, bio); - xfs_finish_ioend(ioend); + xfs_finish_ioend(ioend, 0); } while ((ioend = next) != NULL); } @@ -1003,6 +1010,8 @@ xfs_page_state_convert( if (buffer_unwritten(bh) || buffer_delay(bh) || ((buffer_uptodate(bh) || PageUptodate(page)) && !buffer_mapped(bh) && (unmapped || startio))) { + int new_ioend = 0; + /* * Make sure we don't use a read-only iomap */ @@ -1021,6 +1030,15 @@ xfs_page_state_convert( } if (!iomap_valid) { + /* + * if we didn't have a valid mapping then we + * need to ensure that we put the new mapping + * in a new ioend structure. This needs to be + * done to ensure that the ioends correctly + * reflect the block mappings at io completion + * for unwritten extent conversion. + */ + new_ioend = 1; if (type == IOMAP_NEW) { size = xfs_probe_cluster(inode, page, bh, head, 0); @@ -1040,7 +1058,7 @@ xfs_page_state_convert( if (startio) { xfs_add_to_ioend(inode, bh, offset, type, &ioend, - !iomap_valid); + new_ioend); } else { set_buffer_dirty(bh); unlock_buffer(bh); @@ -1416,6 +1434,13 @@ xfs_end_io_direct( * This is not necessary for synchronous direct I/O, but we do * it anyway to keep the code uniform and simpler. * + * Well, if only it were that simple. Because synchronous direct I/O + * requires extent conversion to occur *before* we return to userspace, + * we have to wait for extent conversion to complete. Look at the + * iocb that has been passed to us to determine if this is AIO or + * not. If it is synchronous, tell xfs_finish_ioend() to kick the + * workqueue and wait for it to complete. + * * The core direct I/O code might be changed to always call the * completion handler in the future, in which case all this can * go away. @@ -1423,9 +1448,9 @@ xfs_end_io_direct( ioend->io_offset = offset; ioend->io_size = size; if (ioend->io_type == IOMAP_READ) { - xfs_finish_ioend(ioend); + xfs_finish_ioend(ioend, 0); } else if (private && size > 0) { - xfs_finish_ioend(ioend); + xfs_finish_ioend(ioend, is_sync_kiocb(iocb)); } else { /* * A direct I/O write ioend starts it's life in unwritten @@ -1434,7 +1459,7 @@ xfs_end_io_direct( * handler. */ INIT_WORK(&ioend->io_work, xfs_end_bio_written); - xfs_finish_ioend(ioend); + xfs_finish_ioend(ioend, 0); } /* diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c index fe4f66a5af1..2df63622354 100644 --- a/fs/xfs/linux-2.6/xfs_buf.c +++ b/fs/xfs/linux-2.6/xfs_buf.c @@ -35,7 +35,7 @@ #include <linux/freezer.h> static kmem_zone_t *xfs_buf_zone; -static kmem_shaker_t xfs_buf_shake; +static struct shrinker *xfs_buf_shake; STATIC int xfsbufd(void *); STATIC int xfsbufd_wakeup(int, gfp_t); STATIC void xfs_buf_delwri_queue(xfs_buf_t *, int); @@ -314,7 +314,7 @@ xfs_buf_free( ASSERT(list_empty(&bp->b_hash_list)); - if (bp->b_flags & _XBF_PAGE_CACHE) { + if (bp->b_flags & (_XBF_PAGE_CACHE|_XBF_PAGES)) { uint i; if ((bp->b_flags & XBF_MAPPED) && (bp->b_page_count > 1)) @@ -323,18 +323,11 @@ xfs_buf_free( for (i = 0; i < bp->b_page_count; i++) { struct page *page = bp->b_pages[i]; - ASSERT(!PagePrivate(page)); + if (bp->b_flags & _XBF_PAGE_CACHE) + ASSERT(!PagePrivate(page)); page_cache_release(page); } _xfs_buf_free_pages(bp); - } else if (bp->b_flags & _XBF_KMEM_ALLOC) { - /* - * XXX(hch): bp->b_count_desired might be incorrect (see - * xfs_buf_associate_memory for details), but fortunately - * the Linux version of kmem_free ignores the len argument.. - */ - kmem_free(bp->b_addr, bp->b_count_desired); - _xfs_buf_free_pages(bp); } xfs_buf_deallocate(bp); @@ -764,43 +757,44 @@ xfs_buf_get_noaddr( size_t len, xfs_buftarg_t *target) { - size_t malloc_len = len; + unsigned long page_count = PAGE_ALIGN(len) >> PAGE_SHIFT; + int error, i; xfs_buf_t *bp; - void *data; - int error; bp = xfs_buf_allocate(0); if (unlikely(bp == NULL)) goto fail; _xfs_buf_initialize(bp, target, 0, len, 0); - try_again: - data = kmem_alloc(malloc_len, KM_SLEEP | KM_MAYFAIL | KM_LARGE); - if (unlikely(data == NULL)) + error = _xfs_buf_get_pages(bp, page_count, 0); + if (error) goto fail_free_buf; - /* check whether alignment matches.. */ - if ((__psunsigned_t)data != - ((__psunsigned_t)data & ~target->bt_smask)) { - /* .. else double the size and try again */ - kmem_free(data, malloc_len); - malloc_len <<= 1; - goto try_again; + for (i = 0; i < page_count; i++) { + bp->b_pages[i] = alloc_page(GFP_KERNEL); + if (!bp->b_pages[i]) + goto fail_free_mem; } + bp->b_flags |= _XBF_PAGES; - error = xfs_buf_associate_memory(bp, data, len); - if (error) + error = _xfs_buf_map_pages(bp, XBF_MAPPED); + if (unlikely(error)) { + printk(KERN_WARNING "%s: failed to map pages\n", + __FUNCTION__); goto fail_free_mem; - bp->b_flags |= _XBF_KMEM_ALLOC; + } xfs_buf_unlock(bp); - XB_TRACE(bp, "no_daddr", data); + XB_TRACE(bp, "no_daddr", len); return bp; + fail_free_mem: - kmem_free(data, malloc_len); + while (--i >= 0) + __free_page(bp->b_pages[i]); + _xfs_buf_free_pages(bp); fail_free_buf: - xfs_buf_free(bp); + xfs_buf_deallocate(bp); fail: return NULL; } @@ -1453,6 +1447,7 @@ xfs_free_buftarg( int external) { xfs_flush_buftarg(btp, 1); + xfs_blkdev_issue_flush(btp); if (external) xfs_blkdev_put(btp->bt_bdev); xfs_free_bufhash(btp); @@ -1837,7 +1832,7 @@ xfs_buf_init(void) if (!xfsdatad_workqueue) goto out_destroy_xfslogd_workqueue; - xfs_buf_shake = kmem_shake_register(xfsbufd_wakeup); + xfs_buf_shake = set_shrinker(DEFAULT_SEEKS, xfsbufd_wakeup); if (!xfs_buf_shake) goto out_destroy_xfsdatad_workqueue; @@ -1859,7 +1854,7 @@ xfs_buf_init(void) void xfs_buf_terminate(void) { - kmem_shake_deregister(xfs_buf_shake); + remove_shrinker(xfs_buf_shake); destroy_workqueue(xfsdatad_workqueue); destroy_workqueue(xfslogd_workqueue); kmem_zone_destroy(xfs_buf_zone); diff --git a/fs/xfs/linux-2.6/xfs_buf.h b/fs/xfs/linux-2.6/xfs_buf.h index b6241f6201a..b5908a34b15 100644 --- a/fs/xfs/linux-2.6/xfs_buf.h +++ b/fs/xfs/linux-2.6/xfs_buf.h @@ -63,7 +63,7 @@ typedef enum { /* flags used only internally */ _XBF_PAGE_CACHE = (1 << 17),/* backed by pagecache */ - _XBF_KMEM_ALLOC = (1 << 18),/* backed by kmem_alloc() */ + _XBF_PAGES = (1 << 18), /* backed by refcounted pages */ _XBF_RUN_QUEUES = (1 << 19),/* run block device task queue */ _XBF_DELWRI_Q = (1 << 21), /* buffer on delwri queue */ } xfs_buf_flags_t; diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c index cb51dc96135..cbcd40c8c2a 100644 --- a/fs/xfs/linux-2.6/xfs_file.c +++ b/fs/xfs/linux-2.6/xfs_file.c @@ -124,30 +124,6 @@ xfs_file_aio_write_invis( } STATIC ssize_t -xfs_file_sendfile( - struct file *filp, - loff_t *pos, - size_t count, - read_actor_t actor, - void *target) -{ - return bhv_vop_sendfile(vn_from_inode(filp->f_path.dentry->d_inode), - filp, pos, 0, count, actor, target, NULL); -} - -STATIC ssize_t -xfs_file_sendfile_invis( - struct file *filp, - loff_t *pos, - size_t count, - read_actor_t actor, - void *target) -{ - return bhv_vop_sendfile(vn_from_inode(filp->f_path.dentry->d_inode), - filp, pos, IO_INVIS, count, actor, target, NULL); -} - -STATIC ssize_t xfs_file_splice_read( struct file *infilp, loff_t *ppos, @@ -208,15 +184,6 @@ xfs_file_open( } STATIC int -xfs_file_close( - struct file *filp, - fl_owner_t id) -{ - return -bhv_vop_close(vn_from_inode(filp->f_path.dentry->d_inode), 0, - file_count(filp) > 1 ? L_FALSE : L_TRUE, NULL); -} - -STATIC int xfs_file_release( struct inode *inode, struct file *filp) @@ -452,7 +419,6 @@ const struct file_operations xfs_file_operations = { .write = do_sync_write, .aio_read = xfs_file_aio_read, .aio_write = xfs_file_aio_write, - .sendfile = xfs_file_sendfile, .splice_read = xfs_file_splice_read, .splice_write = xfs_file_splice_write, .unlocked_ioctl = xfs_file_ioctl, @@ -461,7 +427,6 @@ const struct file_operations xfs_file_operations = { #endif .mmap = xfs_file_mmap, .open = xfs_file_open, - .flush = xfs_file_close, .release = xfs_file_release, .fsync = xfs_file_fsync, #ifdef HAVE_FOP_OPEN_EXEC @@ -475,7 +440,6 @@ const struct file_operations xfs_invis_file_operations = { .write = do_sync_write, .aio_read = xfs_file_aio_read_invis, .aio_write = xfs_file_aio_write_invis, - .sendfile = xfs_file_sendfile_invis, .splice_read = xfs_file_splice_read_invis, .splice_write = xfs_file_splice_write_invis, .unlocked_ioctl = xfs_file_ioctl_invis, @@ -484,7 +448,6 @@ const struct file_operations xfs_invis_file_operations = { #endif .mmap = xfs_file_mmap, .open = xfs_file_open, - .flush = xfs_file_close, .release = xfs_file_release, .fsync = xfs_file_fsync, }; diff --git a/fs/xfs/linux-2.6/xfs_globals.c b/fs/xfs/linux-2.6/xfs_globals.c index ed3a5e1b4b6..bb72c3d4141 100644 --- a/fs/xfs/linux-2.6/xfs_globals.c +++ b/fs/xfs/linux-2.6/xfs_globals.c @@ -46,6 +46,7 @@ xfs_param_t xfs_params = { .inherit_nosym = { 0, 0, 1 }, .rotorstep = { 1, 1, 255 }, .inherit_nodfrg = { 0, 1, 1 }, + .fstrm_timer = { 1, 50, 3600*100}, }; /* diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c index ff5c41ff8d4..5917808abbd 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl.c +++ b/fs/xfs/linux-2.6/xfs_ioctl.c @@ -1019,7 +1019,7 @@ xfs_ioc_bulkstat( if (cmd == XFS_IOC_FSINUMBERS) error = xfs_inumbers(mp, &inlast, &count, - bulkreq.ubuffer); + bulkreq.ubuffer, xfs_inumbers_fmt); else if (cmd == XFS_IOC_FSBULKSTAT_SINGLE) error = xfs_bulkstat_single(mp, &inlast, bulkreq.ubuffer, &done); diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c index b83cebc165f..141cf15067c 100644 --- a/fs/xfs/linux-2.6/xfs_ioctl32.c +++ b/fs/xfs/linux-2.6/xfs_ioctl32.c @@ -23,10 +23,25 @@ #include <linux/fs.h> #include <asm/uaccess.h> #include "xfs.h" -#include "xfs_types.h" #include "xfs_fs.h" +#include "xfs_bit.h" +#include "xfs_log.h" +#include "xfs_inum.h" +#include "xfs_trans.h" +#include "xfs_sb.h" +#include "xfs_ag.h" +#include "xfs_dir2.h" +#include "xfs_dmapi.h" +#include "xfs_mount.h" +#include "xfs_bmap_btree.h" +#include "xfs_attr_sf.h" +#include "xfs_dir2_sf.h" #include "xfs_vfs.h" #include "xfs_vnode.h" +#include "xfs_dinode.h" +#include "xfs_inode.h" +#include "xfs_itable.h" +#include "xfs_error.h" #include "xfs_dfrag.h" #define _NATIVE_IOC(cmd, type) \ @@ -34,6 +49,7 @@ #if defined(CONFIG_IA64) || defined(CONFIG_X86_64) #define BROKEN_X86_ALIGNMENT +#define _PACKED __attribute__((packed)) /* on ia32 l_start is on a 32-bit boundary */ typedef struct xfs_flock64_32 { __s16 l_type; @@ -75,35 +91,276 @@ xfs_ioctl32_flock( return (unsigned long)p; } +typedef struct compat_xfs_fsop_geom_v1 { + __u32 blocksize; /* filesystem (data) block size */ + __u32 rtextsize; /* realtime extent size */ + __u32 agblocks; /* fsblocks in an AG */ + __u32 agcount; /* number of allocation groups */ + __u32 logblocks; /* fsblocks in the log */ + __u32 sectsize; /* (data) sector size, bytes */ + __u32 inodesize; /* inode size in bytes */ + __u32 imaxpct; /* max allowed inode space(%) */ + __u64 datablocks; /* fsblocks in data subvolume */ + __u64 rtblocks; /* fsblocks in realtime subvol */ + __u64 rtextents; /* rt extents in realtime subvol*/ + __u64 logstart; /* starting fsblock of the log */ + unsigned char uuid[16]; /* unique id of the filesystem */ + __u32 sunit; /* stripe unit, fsblocks */ + __u32 swidth; /* stripe width, fsblocks */ + __s32 version; /* structure version */ + __u32 flags; /* superblock version flags */ + __u32 logsectsize; /* log sector size, bytes */ + __u32 rtsectsize; /* realtime sector size, bytes */ + __u32 dirblocksize; /* directory block size, bytes */ +} __attribute__((packed)) compat_xfs_fsop_geom_v1_t; + +#define XFS_IOC_FSGEOMETRY_V1_32 \ + _IOR ('X', 100, struct compat_xfs_fsop_geom_v1) + +STATIC unsigned long xfs_ioctl32_geom_v1(unsigned long arg) +{ + compat_xfs_fsop_geom_v1_t __user *p32 = (void __user *)arg; + xfs_fsop_geom_v1_t __user *p = compat_alloc_user_space(sizeof(*p)); + + if (copy_in_user(p, p32, sizeof(*p32))) + return -EFAULT; + return (unsigned long)p; +} + +typedef struct compat_xfs_inogrp { + __u64 xi_startino; /* starting inode number */ + __s32 xi_alloccount; /* # bits set in allocmask */ + __u64 xi_allocmask; /* mask of allocated inodes */ +} __attribute__((packed)) compat_xfs_inogrp_t; + +STATIC int xfs_inumbers_fmt_compat( + void __user *ubuffer, + const xfs_inogrp_t *buffer, + long count, + long *written) +{ + compat_xfs_inogrp_t *p32 = ubuffer; + long i; + + for (i = 0; i < count; i++) { + if (put_user(buffer[i].xi_startino, &p32[i].xi_startino) || + put_user(buffer[i].xi_alloccount, &p32[i].xi_alloccount) || + put_user(buffer[i].xi_allocmask, &p32[i].xi_allocmask)) + return -EFAULT; + } + *written = count * sizeof(*p32); + return 0; +} + #else -typedef struct xfs_fsop_bulkreq32 { +#define xfs_inumbers_fmt_compat xfs_inumbers_fmt +#define _PACKED + +#endif + +/* XFS_IOC_FSBULKSTAT and friends */ + +typedef struct compat_xfs_bstime { + __s32 tv_sec; /* seconds */ + __s32 tv_nsec; /* and nanoseconds */ +} compat_xfs_bstime_t; + +STATIC int xfs_bstime_store_compat( + compat_xfs_bstime_t __user *p32, + const xfs_bstime_t *p) +{ + __s32 sec32; + + sec32 = p->tv_sec; + if (put_user(sec32, &p32->tv_sec) || + put_user(p->tv_nsec, &p32->tv_nsec)) + return -EFAULT; + return 0; +} + +typedef struct compat_xfs_bstat { + __u64 bs_ino; /* inode number */ + __u16 bs_mode; /* type and mode */ + __u16 bs_nlink; /* number of links */ + __u32 bs_uid; /* user id */ + __u32 bs_gid; /* group id */ + __u32 bs_rdev; /* device value */ + __s32 bs_blksize; /* block size */ + __s64 bs_size; /* file size */ + compat_xfs_bstime_t bs_atime; /* access time */ + compat_xfs_bstime_t bs_mtime; /* modify time */ + compat_xfs_bstime_t bs_ctime; /* inode change time */ + int64_t bs_blocks; /* number of blocks */ + __u32 bs_xflags; /* extended flags */ + __s32 bs_extsize; /* extent size */ + __s32 bs_extents; /* number of extents */ + __u32 bs_gen; /* generation count */ + __u16 bs_projid; /* project id */ + unsigned char bs_pad[14]; /* pad space, unused */ + __u32 bs_dmevmask; /* DMIG event mask */ + __u16 bs_dmstate; /* DMIG state info */ + __u16 bs_aextents; /* attribute number of extents */ +} _PACKED compat_xfs_bstat_t; + +STATIC int xfs_bulkstat_one_fmt_compat( + void __user *ubuffer, + const xfs_bstat_t *buffer) +{ + compat_xfs_bstat_t __user *p32 = ubuffer; + + if (put_user(buffer->bs_ino, &p32->bs_ino) || + put_user(buffer->bs_mode, &p32->bs_mode) || + put_user(buffer->bs_nlink, &p32->bs_nlink) || + put_user(buffer->bs_uid, &p32->bs_uid) || + put_user(buffer->bs_gid, &p32->bs_gid) || + put_user(buffer->bs_rdev, &p32->bs_rdev) || + put_user(buffer->bs_blksize, &p32->bs_blksize) || + put_user(buffer->bs_size, &p32->bs_size) || + xfs_bstime_store_compat(&p32->bs_atime, &buffer->bs_atime) || + xfs_bstime_store_compat(&p32->bs_mtime, &buffer->bs_mtime) || + xfs_bstime_store_compat(&p32->bs_ctime, &buffer->bs_ctime) || + put_user(buffer->bs_blocks, &p32->bs_blocks) || + put_user(buffer->bs_xflags, &p32->bs_xflags) || + put_user(buffer->bs_extsize, &p32->bs_extsize) || + put_user(buffer->bs_extents, &p32->bs_extents) || + put_user(buffer->bs_gen, &p32->bs_gen) || + put_user(buffer->bs_projid, &p32->bs_projid) || + put_user(buffer->bs_dmevmask, &p32->bs_dmevmask) || + put_user(buffer->bs_dmstate, &p32->bs_dmstate) || + put_user(buffer->bs_aextents, &p32->bs_aextents)) + return -EFAULT; + return sizeof(*p32); +} + + + +typedef struct compat_xfs_fsop_bulkreq { compat_uptr_t lastip; /* last inode # pointer */ __s32 icount; /* count of entries in buffer */ compat_uptr_t ubuffer; /* user buffer for inode desc. */ - __s32 ocount; /* output count pointer */ -} xfs_fsop_bulkreq32_t; + compat_uptr_t ocount; /* output count pointer */ +} compat_xfs_fsop_bulkreq_t; -STATIC unsigned long -xfs_ioctl32_bulkstat( - unsigned long arg) +#define XFS_IOC_FSBULKSTAT_32 \ + _IOWR('X', 101, struct compat_xfs_fsop_bulkreq) +#define XFS_IOC_FSBULKSTAT_SINGLE_32 \ + _IOWR('X', 102, struct compat_xfs_fsop_bulkreq) +#define XFS_IOC_FSINUMBERS_32 \ + _IOWR('X', 103, struct compat_xfs_fsop_bulkreq) + +/* copied from xfs_ioctl.c */ +STATIC int +xfs_ioc_bulkstat_compat( + xfs_mount_t *mp, + unsigned int cmd, + void __user *arg) { - xfs_fsop_bulkreq32_t __user *p32 = (void __user *)arg; - xfs_fsop_bulkreq_t __user *p = compat_alloc_user_space(sizeof(*p)); + compat_xfs_fsop_bulkreq_t __user *p32 = (void __user *)arg; u32 addr; + xfs_fsop_bulkreq_t bulkreq; + int count; /* # of records returned */ + xfs_ino_t inlast; /* last inode number */ + int done; + int error; + + /* done = 1 if there are more stats to get and if bulkstat */ + /* should be called again (unused here, but used in dmapi) */ + + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + + if (XFS_FORCED_SHUTDOWN(mp)) + return -XFS_ERROR(EIO); + + if (get_user(addr, &p32->lastip)) + return -EFAULT; + bulkreq.lastip = compat_ptr(addr); + if (get_user(bulkreq.icount, &p32->icount) || + get_user(addr, &p32->ubuffer)) + return -EFAULT; + bulkreq.ubuffer = compat_ptr(addr); + if (get_user(addr, &p32->ocount)) + return -EFAULT; + bulkreq.ocount = compat_ptr(addr); + + if (copy_from_user(&inlast, bulkreq.lastip, sizeof(__s64))) + return -XFS_ERROR(EFAULT); + + if ((count = bulkreq.icount) <= 0) + return -XFS_ERROR(EINVAL); + + if (cmd == XFS_IOC_FSINUMBERS) + error = xfs_inumbers(mp, &inlast, &count, + bulkreq.ubuffer, xfs_inumbers_fmt_compat); + else { + /* declare a var to get a warning in case the type changes */ + bulkstat_one_fmt_pf formatter = xfs_bulkstat_one_fmt_compat; + error = xfs_bulkstat(mp, &inlast, &count, + xfs_bulkstat_one, formatter, + sizeof(compat_xfs_bstat_t), bulkreq.ubuffer, + BULKSTAT_FG_QUICK, &done); + } + if (error) + return -error; + + if (bulkreq.ocount != NULL) { + if (copy_to_user(bulkreq.lastip, &inlast, + sizeof(xfs_ino_t))) + return -XFS_ERROR(EFAULT); + + if (copy_to_user(bulkreq.ocount, &count, sizeof(count))) + return -XFS_ERROR(EFAULT); + } + + return 0; +} + + + +typedef struct compat_xfs_fsop_handlereq { + __u32 fd; /* fd for FD_TO_HANDLE */ + compat_uptr_t path; /* user pathname */ + __u32 oflags; /* open flags */ + compat_uptr_t ihandle; /* user supplied handle */ + __u32 ihandlen; /* user supplied length */ + compat_uptr_t ohandle; /* user buffer for handle */ + compat_uptr_t ohandlen; /* user buffer length */ +} compat_xfs_fsop_handlereq_t; + +#define XFS_IOC_PATH_TO_FSHANDLE_32 \ + _IOWR('X', 104, struct compat_xfs_fsop_handlereq) +#define XFS_IOC_PATH_TO_HANDLE_32 \ + _IOWR('X', 105, struct compat_xfs_fsop_handlereq) +#define XFS_IOC_FD_TO_HANDLE_32 \ + _IOWR('X', 106, struct compat_xfs_fsop_handlereq) +#define XFS_IOC_OPEN_BY_HANDLE_32 \ + _IOWR('X', 107, struct compat_xfs_fsop_handlereq) +#define XFS_IOC_READLINK_BY_HANDLE_32 \ + _IOWR('X', 108, struct compat_xfs_fsop_handlereq) + +STATIC unsigned long xfs_ioctl32_fshandle(unsigned long arg) +{ + compat_xfs_fsop_handlereq_t __user *p32 = (void __user *)arg; + xfs_fsop_handlereq_t __user *p = compat_alloc_user_space(sizeof(*p)); + u32 addr; - if (get_user(addr, &p32->lastip) || - put_user(compat_ptr(addr), &p->lastip) || - copy_in_user(&p->icount, &p32->icount, sizeof(s32)) || - get_user(addr, &p32->ubuffer) || - put_user(compat_ptr(addr), &p->ubuffer) || - get_user(addr, &p32->ocount) || - put_user(compat_ptr(addr), &p->ocount)) + if (copy_in_user(&p->fd, &p32->fd, sizeof(__u32)) || + get_user(addr, &p32->path) || + put_user(compat_ptr(addr), &p->path) || + copy_in_user(&p->oflags, &p32->oflags, sizeof(__u32)) || + get_user(addr, &p32->ihandle) || + put_user(compat_ptr(addr), &p->ihandle) || + copy_in_user(&p->ihandlen, &p32->ihandlen, sizeof(__u32)) || + get_user(addr, &p32->ohandle) || + put_user(compat_ptr(addr), &p->ohandle) || + get_user(addr, &p32->ohandlen) || + put_user(compat_ptr(addr), &p->ohandlen)) return -EFAULT; return (unsigned long)p; } -#endif + STATIC long xfs_compat_ioctl( @@ -118,7 +375,6 @@ xfs_compat_ioctl( switch (cmd) { case XFS_IOC_DIOINFO: - case XFS_IOC_FSGEOMETRY_V1: case XFS_IOC_FSGEOMETRY: case XFS_IOC_GETVERSION: case XFS_IOC_GETXFLAGS: @@ -131,12 +387,7 @@ xfs_compat_ioctl( case XFS_IOC_GETBMAPA: case XFS_IOC_GETBMAPX: /* not handled - case XFS_IOC_FD_TO_HANDLE: - case XFS_IOC_PATH_TO_HANDLE: - case XFS_IOC_PATH_TO_FSHANDLE: - case XFS_IOC_OPEN_BY_HANDLE: case XFS_IOC_FSSETDM_BY_HANDLE: - case XFS_IOC_READLINK_BY_HANDLE: case XFS_IOC_ATTRLIST_BY_HANDLE: case XFS_IOC_ATTRMULTI_BY_HANDLE: */ @@ -166,6 +417,10 @@ xfs_compat_ioctl( arg = xfs_ioctl32_flock(arg); cmd = _NATIVE_IOC(cmd, struct xfs_flock64); break; + case XFS_IOC_FSGEOMETRY_V1_32: + arg = xfs_ioctl32_geom_v1(arg); + cmd = _NATIVE_IOC(cmd, struct xfs_fsop_geom_v1); + break; #else /* These are handled fine if no alignment issues */ case XFS_IOC_ALLOCSP: @@ -176,18 +431,28 @@ xfs_compat_ioctl( case XFS_IOC_FREESP64: case XFS_IOC_RESVSP64: case XFS_IOC_UNRESVSP64: + case XFS_IOC_FSGEOMETRY_V1: break; /* xfs_bstat_t still has wrong u32 vs u64 alignment */ case XFS_IOC_SWAPEXT: break; - case XFS_IOC_FSBULKSTAT_SINGLE: - case XFS_IOC_FSBULKSTAT: - case XFS_IOC_FSINUMBERS: - arg = xfs_ioctl32_bulkstat(arg); - break; #endif + case XFS_IOC_FSBULKSTAT_32: + case XFS_IOC_FSBULKSTAT_SINGLE_32: + case XFS_IOC_FSINUMBERS_32: + cmd = _NATIVE_IOC(cmd, struct xfs_fsop_bulkreq); + return xfs_ioc_bulkstat_compat(XFS_BHVTOI(VNHEAD(vp))->i_mount, + cmd, (void*)arg); + case XFS_IOC_FD_TO_HANDLE_32: + case XFS_IOC_PATH_TO_HANDLE_32: + case XFS_IOC_PATH_TO_FSHANDLE_32: + case XFS_IOC_OPEN_BY_HANDLE_32: + case XFS_IOC_READLINK_BY_HANDLE_32: + arg = xfs_ioctl32_fshandle(arg); + cmd = _NATIVE_IOC(cmd, struct xfs_fsop_handlereq); + break; default: return -ENOIOCTLCMD; } diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h index 715adad7dd4..330c4ba9d40 100644 --- a/fs/xfs/linux-2.6/xfs_linux.h +++ b/fs/xfs/linux-2.6/xfs_linux.h @@ -101,7 +101,6 @@ * Feature macros (disable/enable) */ #undef HAVE_REFCACHE /* reference cache not needed for NFS in 2.6 */ -#define HAVE_SENDFILE /* sendfile(2) exists in 2.6, but not in 2.4 */ #define HAVE_SPLICE /* a splice(2) exists in 2.6, but not in 2.4 */ #ifdef CONFIG_SMP #define HAVE_PERCPU_SB /* per cpu superblock counters are a 2.6 feature */ @@ -124,6 +123,7 @@ #define xfs_inherit_nosymlinks xfs_params.inherit_nosym.val #define xfs_rotorstep xfs_params.rotorstep.val #define xfs_inherit_nodefrag xfs_params.inherit_nodfrg.val +#define xfs_fstrm_centisecs xfs_params.fstrm_timer.val #define current_cpu() (raw_smp_processor_id()) #define current_pid() (current->pid) diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c index 86fb671a8bc..765ec16a6e3 100644 --- a/fs/xfs/linux-2.6/xfs_lrw.c +++ b/fs/xfs/linux-2.6/xfs_lrw.c @@ -159,7 +159,7 @@ xfs_iozero( if (status) goto unlock; - memclear_highpage_flush(page, offset, bytes); + zero_user_page(page, offset, bytes, KM_USER0); status = mapping->a_ops->commit_write(NULL, page, offset, offset + bytes); @@ -287,50 +287,6 @@ xfs_read( } ssize_t -xfs_sendfile( - bhv_desc_t *bdp, - struct file *filp, - loff_t *offset, - int ioflags, - size_t count, - read_actor_t actor, - void *target, - cred_t *credp) -{ - xfs_inode_t *ip = XFS_BHVTOI(bdp); - xfs_mount_t *mp = ip->i_mount; - ssize_t ret; - - XFS_STATS_INC(xs_read_calls); - if (XFS_FORCED_SHUTDOWN(mp)) - return -EIO; - - xfs_ilock(ip, XFS_IOLOCK_SHARED); - - if (DM_EVENT_ENABLED(BHV_TO_VNODE(bdp)->v_vfsp, ip, DM_EVENT_READ) && - (!(ioflags & IO_INVIS))) { - bhv_vrwlock_t locktype = VRWLOCK_READ; - int error; - - error = XFS_SEND_DATA(mp, DM_EVENT_READ, BHV_TO_VNODE(bdp), - *offset, count, - FILP_DELAY_FLAG(filp), &locktype); - if (error) { - xfs_iunlock(ip, XFS_IOLOCK_SHARED); - return -error; - } - } - xfs_rw_enter_trace(XFS_SENDFILE_ENTER, &ip->i_iocore, - (void *)(unsigned long)target, count, *offset, ioflags); - ret = generic_file_sendfile(filp, offset, count, actor, target); - if (ret > 0) - XFS_STATS_ADD(xs_read_bytes, ret); - - xfs_iunlock(ip, XFS_IOLOCK_SHARED); - return ret; -} - -ssize_t xfs_splice_read( bhv_desc_t *bdp, struct file *infilp, diff --git a/fs/xfs/linux-2.6/xfs_lrw.h b/fs/xfs/linux-2.6/xfs_lrw.h index 7ac51b1d216..7c60a1eed88 100644 --- a/fs/xfs/linux-2.6/xfs_lrw.h +++ b/fs/xfs/linux-2.6/xfs_lrw.h @@ -90,9 +90,6 @@ extern ssize_t xfs_read(struct bhv_desc *, struct kiocb *, extern ssize_t xfs_write(struct bhv_desc *, struct kiocb *, const struct iovec *, unsigned int, loff_t *, int, struct cred *); -extern ssize_t xfs_sendfile(struct bhv_desc *, struct file *, - loff_t *, int, size_t, read_actor_t, - void *, struct cred *); extern ssize_t xfs_splice_read(struct bhv_desc *, struct file *, loff_t *, struct pipe_inode_info *, size_t, int, int, struct cred *); diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c index bf9a9d5909b..06894cf00b1 100644 --- a/fs/xfs/linux-2.6/xfs_super.c +++ b/fs/xfs/linux-2.6/xfs_super.c @@ -547,7 +547,8 @@ vfs_sync_worker( if (!(vfsp->vfs_flag & VFS_RDONLY)) error = bhv_vfs_sync(vfsp, SYNC_FSDATA | SYNC_BDFLUSH | \ - SYNC_ATTR | SYNC_REFCACHE, NULL); + SYNC_ATTR | SYNC_REFCACHE | SYNC_SUPER, + NULL); vfsp->vfs_sync_seq++; wake_up(&vfsp->vfs_wait_single_sync_task); } @@ -663,7 +664,7 @@ xfs_fs_sync_super( * occur here so don't bother flushing the buftarg (i.e * SYNC_QUIESCE) because it'll just get dirty again. */ - flags = SYNC_FSDATA | SYNC_DELWRI | SYNC_WAIT | SYNC_IOWAIT; + flags = SYNC_DATA_QUIESCE; } else flags = SYNC_FSDATA | (wait ? SYNC_WAIT : 0); diff --git a/fs/xfs/linux-2.6/xfs_sysctl.c b/fs/xfs/linux-2.6/xfs_sysctl.c index cd6eaa44aa2..bb997d75c05 100644 --- a/fs/xfs/linux-2.6/xfs_sysctl.c +++ b/fs/xfs/linux-2.6/xfs_sysctl.c @@ -210,6 +210,17 @@ static ctl_table xfs_table[] = { .extra1 = &xfs_params.inherit_nodfrg.min, .extra2 = &xfs_params.inherit_nodfrg.max }, + { + .ctl_name = XFS_FILESTREAM_TIMER, + .procname = "filestream_centisecs", + .data = &xfs_params.fstrm_timer.val, + .maxlen = sizeof(int), + .mode = 0644, + .proc_handler = &proc_dointvec_minmax, + .strategy = &sysctl_intvec, + .extra1 = &xfs_params.fstrm_timer.min, + .extra2 = &xfs_params.fstrm_timer.max, + }, /* please keep this the last entry */ #ifdef CONFIG_PROC_FS { diff --git a/fs/xfs/linux-2.6/xfs_sysctl.h b/fs/xfs/linux-2.6/xfs_sysctl.h index a631fb8cc5a..98b97e399d6 100644 --- a/fs/xfs/linux-2.6/xfs_sysctl.h +++ b/fs/xfs/linux-2.6/xfs_sysctl.h @@ -47,6 +47,7 @@ typedef struct xfs_param { xfs_sysctl_val_t inherit_nosym; /* Inherit the "nosymlinks" flag. */ xfs_sysctl_val_t rotorstep; /* inode32 AG rotoring control knob */ xfs_sysctl_val_t inherit_nodfrg;/* Inherit the "nodefrag" inode flag. */ + xfs_sysctl_val_t fstrm_timer; /* Filestream dir-AG assoc'n timeout. */ } xfs_param_t; /* @@ -86,6 +87,7 @@ enum { XFS_INHERIT_NOSYM = 19, XFS_ROTORSTEP = 20, XFS_INHERIT_NODFRG = 21, + XFS_FILESTREAM_TIMER = 22, }; extern xfs_param_t xfs_params; diff --git a/fs/xfs/linux-2.6/xfs_vfs.h b/fs/xfs/linux-2.6/xfs_vfs.h index e2c2ce98ab5..dca3481aaaf 100644 --- a/fs/xfs/linux-2.6/xfs_vfs.h +++ b/fs/xfs/linux-2.6/xfs_vfs.h @@ -92,6 +92,21 @@ typedef enum { #define SYNC_REFCACHE 0x0040 /* prune some of the nfs ref cache */ #define SYNC_REMOUNT 0x0080 /* remount readonly, no dummy LRs */ #define SYNC_IOWAIT 0x0100 /* wait for all I/O to complete */ +#define SYNC_SUPER 0x0200 /* flush superblock to disk */ + +/* + * When remounting a filesystem read-only or freezing the filesystem, + * we have two phases to execute. This first phase is syncing the data + * before we quiesce the fielsystem, and the second is flushing all the + * inodes out after we've waited for all the transactions created by + * the first phase to complete. The second phase uses SYNC_INODE_QUIESCE + * to ensure that the inodes are written to their location on disk + * rather than just existing in transactions in the log. This means + * after a quiesce there is no log replay required to write the inodes + * to disk (this is the main difference between a sync and a quiesce). + */ +#define SYNC_DATA_QUIESCE (SYNC_DELWRI|SYNC_FSDATA|SYNC_WAIT|SYNC_IOWAIT) +#define SYNC_INODE_QUIESCE (SYNC_REMOUNT|SYNC_ATTR|SYNC_WAIT) #define SHUTDOWN_META_IO_ERROR 0x0001 /* write attempt to metadata failed */ #define SHUTDOWN_LOG_IO_ERROR 0x0002 /* write attempt to the log failed */ diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h index d1b2d01843d..5742d65f078 100644 --- a/fs/xfs/linux-2.6/xfs_vnode.h +++ b/fs/xfs/linux-2.6/xfs_vnode.h @@ -129,19 +129,13 @@ typedef enum bhv_vchange { VCHANGE_FLAGS_IOEXCL_COUNT = 4 } bhv_vchange_t; -typedef enum { L_FALSE, L_TRUE } lastclose_t; - typedef int (*vop_open_t)(bhv_desc_t *, struct cred *); -typedef int (*vop_close_t)(bhv_desc_t *, int, lastclose_t, struct cred *); typedef ssize_t (*vop_read_t)(bhv_desc_t *, struct kiocb *, const struct iovec *, unsigned int, loff_t *, int, struct cred *); typedef ssize_t (*vop_write_t)(bhv_desc_t *, struct kiocb *, const struct iovec *, unsigned int, loff_t *, int, struct cred *); -typedef ssize_t (*vop_sendfile_t)(bhv_desc_t *, struct file *, - loff_t *, int, size_t, read_actor_t, - void *, struct cred *); typedef ssize_t (*vop_splice_read_t)(bhv_desc_t *, struct file *, loff_t *, struct pipe_inode_info *, size_t, int, int, struct cred *); @@ -203,10 +197,8 @@ typedef int (*vop_iflush_t)(bhv_desc_t *, int); typedef struct bhv_vnodeops { bhv_position_t vn_position; /* position within behavior chain */ vop_open_t vop_open; - vop_close_t vop_close; vop_read_t vop_read; vop_write_t vop_write; - vop_sendfile_t vop_sendfile; vop_splice_read_t vop_splice_read; vop_splice_write_t vop_splice_write; vop_ioctl_t vop_ioctl; @@ -249,13 +241,10 @@ typedef struct bhv_vnodeops { #define VNHEAD(vp) ((vp)->v_bh.bh_first) #define VOP(op, vp) (*((bhv_vnodeops_t *)VNHEAD(vp)->bd_ops)->op) #define bhv_vop_open(vp, cr) VOP(vop_open, vp)(VNHEAD(vp),cr) -#define bhv_vop_close(vp, f,last,cr) VOP(vop_close, vp)(VNHEAD(vp),f,last,cr) #define bhv_vop_read(vp,file,iov,segs,offset,ioflags,cr) \ VOP(vop_read, vp)(VNHEAD(vp),file,iov,segs,offset,ioflags,cr) #define bhv_vop_write(vp,file,iov,segs,offset,ioflags,cr) \ VOP(vop_write, vp)(VNHEAD(vp),file,iov,segs,offset,ioflags,cr) -#define bhv_vop_sendfile(vp,f,off,ioflags,cnt,act,targ,cr) \ - VOP(vop_sendfile, vp)(VNHEAD(vp),f,off,ioflags,cnt,act,targ,cr) #define bhv_vop_splice_read(vp,f,o,pipe,cnt,fl,iofl,cr) \ VOP(vop_splice_read, vp)(VNHEAD(vp),f,o,pipe,cnt,fl,iofl,cr) #define bhv_vop_splice_write(vp,f,o,pipe,cnt,fl,iofl,cr) \ |