Merge branch 'linus' into x86/urgent

Merge reason: We want to queue up a dependent patch.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

24 files changed, 207 insertions, 953 deletions

diff --git a/fs/aio.c b/fs/aio.c
index 02a2c934057..c30dfc00610 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -15,6 +15,7 @@
 #include <linux/aio_abi.h>
 #include <linux/module.h>
 #include <linux/syscalls.h>
+#include <linux/backing-dev.h>
 #include <linux/uio.h>
 
 #define DEBUG 0
@@ -32,6 +33,9 @@
 #include <linux/workqueue.h>
 #include <linux/security.h>
 #include <linux/eventfd.h>
+#include <linux/blkdev.h>
+#include <linux/mempool.h>
+#include <linux/hash.h>
 
 #include <asm/kmap_types.h>
 #include <asm/uaccess.h>
@@ -60,6 +64,14 @@ static DECLARE_WORK(fput_work, aio_fput_routine);
 static DEFINE_SPINLOCK(fput_lock);
 static LIST_HEAD(fput_head);
 
+#define AIO_BATCH_HASH_BITS	3 /* allocated on-stack, so don't go crazy */
+#define AIO_BATCH_HASH_SIZE	(1 << AIO_BATCH_HASH_BITS)
+struct aio_batch_entry {
+	struct hlist_node list;
+	struct address_space *mapping;
+};
+mempool_t *abe_pool;
+
 static void aio_kick_handler(struct work_struct *);
 static void aio_queue_work(struct kioctx *);
 
@@ -73,6 +85,8 @@ static int __init aio_setup(void)
 	kioctx_cachep = KMEM_CACHE(kioctx,SLAB_HWCACHE_ALIGN|SLAB_PANIC);
 
 	aio_wq = create_workqueue("aio");
+	abe_pool = mempool_create_kmalloc_pool(1, sizeof(struct aio_batch_entry));
+	BUG_ON(!abe_pool);
 
 	pr_debug("aio_setup: sizeof(struct page) = %d\n", (int)sizeof(struct page));
 
@@ -1531,8 +1545,44 @@ static int aio_wake_function(wait_queue_t *wait, unsigned mode,
 	return 1;
 }
 
+static void aio_batch_add(struct address_space *mapping,
+			  struct hlist_head *batch_hash)
+{
+	struct aio_batch_entry *abe;
+	struct hlist_node *pos;
+	unsigned bucket;
+
+	bucket = hash_ptr(mapping, AIO_BATCH_HASH_BITS);
+	hlist_for_each_entry(abe, pos, &batch_hash[bucket], list) {
+		if (abe->mapping == mapping)
+			return;
+	}
+
+	abe = mempool_alloc(abe_pool, GFP_KERNEL);
+	BUG_ON(!igrab(mapping->host));
+	abe->mapping = mapping;
+	hlist_add_head(&abe->list, &batch_hash[bucket]);
+	return;
+}
+
+static void aio_batch_free(struct hlist_head *batch_hash)
+{
+	struct aio_batch_entry *abe;
+	struct hlist_node *pos, *n;
+	int i;
+
+	for (i = 0; i < AIO_BATCH_HASH_SIZE; i++) {
+		hlist_for_each_entry_safe(abe, pos, n, &batch_hash[i], list) {
+			blk_run_address_space(abe->mapping);
+			iput(abe->mapping->host);
+			hlist_del(&abe->list);
+			mempool_free(abe, abe_pool);
+		}
+	}
+}
+
 static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
-			 struct iocb *iocb)
+			 struct iocb *iocb, struct hlist_head *batch_hash)
 {
 	struct kiocb *req;
 	struct file *file;
@@ -1608,6 +1658,12 @@ static int io_submit_one(struct kioctx *ctx, struct iocb __user *user_iocb,
 			;
 	}
 	spin_unlock_irq(&ctx->ctx_lock);
+	if (req->ki_opcode == IOCB_CMD_PREAD ||
+	    req->ki_opcode == IOCB_CMD_PREADV ||
+	    req->ki_opcode == IOCB_CMD_PWRITE ||
+	    req->ki_opcode == IOCB_CMD_PWRITEV)
+		aio_batch_add(file->f_mapping, batch_hash);
+
 	aio_put_req(req);	/* drop extra ref to req */
 	return 0;
 
@@ -1635,6 +1691,7 @@ SYSCALL_DEFINE3(io_submit, aio_context_t, ctx_id, long, nr,
 	struct kioctx *ctx;
 	long ret = 0;
 	int i;
+	struct hlist_head batch_hash[AIO_BATCH_HASH_SIZE] = { { 0, }, };
 
 	if (unlikely(nr < 0))
 		return -EINVAL;
@@ -1666,10 +1723,11 @@ SYSCALL_DEFINE3(io_submit, aio_context_t, ctx_id, long, nr,
 			break;
 		}
 
-		ret = io_submit_one(ctx, user_iocb, &tmp);
+		ret = io_submit_one(ctx, user_iocb, &tmp, batch_hash);
 		if (ret)
 			break;
 	}
+	aio_batch_free(batch_hash);
 
 	put_ioctx(ctx);
 	return i ? i : ret;
diff --git a/fs/bio.c b/fs/bio.c
index 12da5db8682..e23a63f4f7d 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -1393,6 +1393,18 @@ void bio_check_pages_dirty(struct bio *bio)
 	}
 }
 
+#if ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE
+void bio_flush_dcache_pages(struct bio *bi)
+{
+	int i;
+	struct bio_vec *bvec;
+
+	bio_for_each_segment(bvec, bi, i)
+		flush_dcache_page(bvec->bv_page);
+}
+EXPORT_SYMBOL(bio_flush_dcache_pages);
+#endif
+
 /**
  * bio_endio - end I/O on a bio
  * @bio:	bio
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 8bed0557d88..73d6a735b8f 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -405,7 +405,17 @@ static loff_t block_llseek(struct file *file, loff_t offset, int origin)
  
 static int block_fsync(struct file *filp, struct dentry *dentry, int datasync)
 {
-	return sync_blockdev(I_BDEV(filp->f_mapping->host));
+	struct block_device *bdev = I_BDEV(filp->f_mapping->host);
+	int error;
+
+	error = sync_blockdev(bdev);
+	if (error)
+		return error;
+	
+	error = blkdev_issue_flush(bdev, NULL);
+	if (error == -EOPNOTSUPP)
+		error = 0;
+	return error;
 }
 
 /*
diff --git a/fs/coda/sysctl.c b/fs/coda/sysctl.c
index 43c96ce2961..c6405ce3c50 100644
--- a/fs/coda/sysctl.c
+++ b/fs/coda/sysctl.c
@@ -17,28 +17,25 @@ static struct ctl_table_header *fs_table_header;
 
 static ctl_table coda_table[] = {
 	{
-		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "timeout",
 		.data		= &coda_timeout,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec
+		.proc_handler	= proc_dointvec
 	},
 	{
-		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "hard",
 		.data		= &coda_hard,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec
+		.proc_handler	= proc_dointvec
 	},
 	{
-		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "fake_statfs",
 		.data		= &coda_fake_statfs,
 		.maxlen		= sizeof(int),
 		.mode		= 0600,
-		.proc_handler	= &proc_dointvec
+		.proc_handler	= proc_dointvec
 	},
 	{}
 };
@@ -46,7 +43,6 @@ static ctl_table coda_table[] = {
 #ifdef CONFIG_SYSCTL
 static ctl_table fs_table[] = {
 	{
-		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "coda",
 		.mode		= 0555,
 		.child		= coda_table
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index d84e7058c29..229e7221816 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -246,428 +246,6 @@ static int do_video_set_spu_palette(unsigned int fd, unsigned int cmd, unsigned
 	return err;
 }
 
-#ifdef CONFIG_NET
-static int do_siocgstamp(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	struct compat_timeval __user *up = compat_ptr(arg);
-	struct timeval ktv;
-	mm_segment_t old_fs = get_fs();
-	int err;
-
-	set_fs(KERNEL_DS);
-	err = sys_ioctl(fd, cmd, (unsigned long)&ktv);
-	set_fs(old_fs);
-	if(!err) {
-		err = put_user(ktv.tv_sec, &up->tv_sec);
-		err |= __put_user(ktv.tv_usec, &up->tv_usec);
-	}
-	return err;
-}
-
-static int do_siocgstampns(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	struct compat_timespec __user *up = compat_ptr(arg);
-	struct timespec kts;
-	mm_segment_t old_fs = get_fs();
-	int err;
-
-	set_fs(KERNEL_DS);
-	err = sys_ioctl(fd, cmd, (unsigned long)&kts);
-	set_fs(old_fs);
-	if (!err) {
-		err = put_user(kts.tv_sec, &up->tv_sec);
-		err |= __put_user(kts.tv_nsec, &up->tv_nsec);
-	}
-	return err;
-}
-
-struct ifmap32 {
-	compat_ulong_t mem_start;
-	compat_ulong_t mem_end;
-	unsigned short base_addr;
-	unsigned char irq;
-	unsigned char dma;
-	unsigned char port;
-};
-
-struct ifreq32 {
-#define IFHWADDRLEN     6
-#define IFNAMSIZ        16
-        union {
-                char    ifrn_name[IFNAMSIZ];            /* if name, e.g. "en0" */
-        } ifr_ifrn;
-        union {
-                struct  sockaddr ifru_addr;
-                struct  sockaddr ifru_dstaddr;
-                struct  sockaddr ifru_broadaddr;
-                struct  sockaddr ifru_netmask;
-                struct  sockaddr ifru_hwaddr;
-                short   ifru_flags;
-                compat_int_t     ifru_ivalue;
-                compat_int_t     ifru_mtu;
-                struct  ifmap32 ifru_map;
-                char    ifru_slave[IFNAMSIZ];   /* Just fits the size */
-		char	ifru_newname[IFNAMSIZ];
-                compat_caddr_t ifru_data;
-	    /* XXXX? ifru_settings should be here */
-        } ifr_ifru;
-};
-
-struct ifconf32 {
-        compat_int_t	ifc_len;                        /* size of buffer       */
-        compat_caddr_t  ifcbuf;
-};
-
-static int dev_ifname32(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	struct ifreq __user *uifr;
-	int err;
-
-	uifr = compat_alloc_user_space(sizeof(struct ifreq));
-	if (copy_in_user(uifr, compat_ptr(arg), sizeof(struct ifreq32)))
-		return -EFAULT;
-
-	err = sys_ioctl(fd, SIOCGIFNAME, (unsigned long)uifr);
-	if (err)
-		return err;
-
-	if (copy_in_user(compat_ptr(arg), uifr, sizeof(struct ifreq32)))
-		return -EFAULT;
-
-	return 0;
-}
-
-static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	struct ifconf32 ifc32;
-	struct ifconf ifc;
-	struct ifconf __user *uifc;
-	struct ifreq32 __user *ifr32;
-	struct ifreq __user *ifr;
-	unsigned int i, j;
-	int err;
-
-	if (copy_from_user(&ifc32, compat_ptr(arg), sizeof(struct ifconf32)))
-		return -EFAULT;
-
-	if (ifc32.ifcbuf == 0) {
-		ifc32.ifc_len = 0;
-		ifc.ifc_len = 0;
-		ifc.ifc_req = NULL;
-		uifc = compat_alloc_user_space(sizeof(struct ifconf));
-	} else {
-		size_t len =((ifc32.ifc_len / sizeof (struct ifreq32)) + 1) *
-			sizeof (struct ifreq);
-		uifc = compat_alloc_user_space(sizeof(struct ifconf) + len);
-		ifc.ifc_len = len;
-		ifr = ifc.ifc_req = (void __user *)(uifc + 1);
-		ifr32 = compat_ptr(ifc32.ifcbuf);
-		for (i = 0; i < ifc32.ifc_len; i += sizeof (struct ifreq32)) {
-			if (copy_in_user(ifr, ifr32, sizeof(struct ifreq32)))
-				return -EFAULT;
-			ifr++;
-			ifr32++; 
-		}
-	}
-	if (copy_to_user(uifc, &ifc, sizeof(struct ifconf)))
-		return -EFAULT;
-
-	err = sys_ioctl (fd, SIOCGIFCONF, (unsigned long)uifc);	
-	if (err)
-		return err;
-
-	if (copy_from_user(&ifc, uifc, sizeof(struct ifconf))) 
-		return -EFAULT;
-
-	ifr = ifc.ifc_req;
-	ifr32 = compat_ptr(ifc32.ifcbuf);
-	for (i = 0, j = 0;
-             i + sizeof (struct ifreq32) <= ifc32.ifc_len && j < ifc.ifc_len;
-	     i += sizeof (struct ifreq32), j += sizeof (struct ifreq)) {
-		if (copy_in_user(ifr32, ifr, sizeof (struct ifreq32)))
-			return -EFAULT;
-		ifr32++;
-		ifr++;
-	}
-
-	if (ifc32.ifcbuf == 0) {
-		/* Translate from 64-bit structure multiple to
-		 * a 32-bit one.
-		 */
-		i = ifc.ifc_len;
-		i = ((i / sizeof(struct ifreq)) * sizeof(struct ifreq32));
-		ifc32.ifc_len = i;
-	} else {
-		ifc32.ifc_len = i;
-	}
-	if (copy_to_user(compat_ptr(arg), &ifc32, sizeof(struct ifconf32)))
-		return -EFAULT;
-
-	return 0;
-}
-
-static int ethtool_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	struct ifreq __user *ifr;
-	struct ifreq32 __user *ifr32;
-	u32 data;
-	void __user *datap;
-	
-	ifr = compat_alloc_user_space(sizeof(*ifr));
-	ifr32 = compat_ptr(arg);
-
-	if (copy_in_user(&ifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
-		return -EFAULT;
-
-	if (get_user(data, &ifr32->ifr_ifru.ifru_data))
-		return -EFAULT;
-
-	datap = compat_ptr(data);
-	if (put_user(datap, &ifr->ifr_ifru.ifru_data))
-		return -EFAULT;
-
-	return sys_ioctl(fd, cmd, (unsigned long) ifr);
-}
-
-static int bond_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	struct ifreq kifr;
-	struct ifreq __user *uifr;
-	struct ifreq32 __user *ifr32 = compat_ptr(arg);
-	mm_segment_t old_fs;
-	int err;
-	u32 data;
-	void __user *datap;
-
-	switch (cmd) {
-	case SIOCBONDENSLAVE:
-	case SIOCBONDRELEASE:
-	case SIOCBONDSETHWADDR:
-	case SIOCBONDCHANGEACTIVE:
-		if (copy_from_user(&kifr, ifr32, sizeof(struct ifreq32)))
-			return -EFAULT;
-
-		old_fs = get_fs();
-		set_fs (KERNEL_DS);
-		err = sys_ioctl (fd, cmd, (unsigned long)&kifr);
-		set_fs (old_fs);
-
-		return err;
-	case SIOCBONDSLAVEINFOQUERY:
-	case SIOCBONDINFOQUERY:
-		uifr = compat_alloc_user_space(sizeof(*uifr));
-		if (copy_in_user(&uifr->ifr_name, &ifr32->ifr_name, IFNAMSIZ))
-			return -EFAULT;
-
-		if (get_user(data, &ifr32->ifr_ifru.ifru_data))
-			return -EFAULT;
-
-		datap = compat_ptr(data);
-		if (put_user(datap, &uifr->ifr_ifru.ifru_data))
-			return -EFAULT;
-
-		return sys_ioctl (fd, cmd, (unsigned long)uifr);
-	default:
-		return -EINVAL;
-	};
-}
-
-static int siocdevprivate_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	struct ifreq __user *u_ifreq64;
-	struct ifreq32 __user *u_ifreq32 = compat_ptr(arg);
-	char tmp_buf[IFNAMSIZ];
-	void __user *data64;
-	u32 data32;
-
-	if (copy_from_user(&tmp_buf[0], &(u_ifreq32->ifr_ifrn.ifrn_name[0]),
-			   IFNAMSIZ))
-		return -EFAULT;
-	if (__get_user(data32, &u_ifreq32->ifr_ifru.ifru_data))
-		return -EFAULT;
-	data64 = compat_ptr(data32);
-
-	u_ifreq64 = compat_alloc_user_space(sizeof(*u_ifreq64));
-
-	/* Don't check these user accesses, just let that get trapped
-	 * in the ioctl handler instead.
-	 */
-	if (copy_to_user(&u_ifreq64->ifr_ifrn.ifrn_name[0], &tmp_buf[0],
-			 IFNAMSIZ))
-		return -EFAULT;
-	if (__put_user(data64, &u_ifreq64->ifr_ifru.ifru_data))
-		return -EFAULT;
-
-	return sys_ioctl(fd, cmd, (unsigned long) u_ifreq64);
-}
-
-static int dev_ifsioc(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	struct ifreq ifr;
-	struct ifreq32 __user *uifr32;
-	struct ifmap32 __user *uifmap32;
-	mm_segment_t old_fs;
-	int err;
-	
-	uifr32 = compat_ptr(arg);
-	uifmap32 = &uifr32->ifr_ifru.ifru_map;
-	switch (cmd) {
-	case SIOCSIFMAP:
-		err = copy_from_user(&ifr, uifr32, sizeof(ifr.ifr_name));
-		err |= __get_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
-		err |= __get_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
-		err |= __get_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
-		err |= __get_user(ifr.ifr_map.irq, &uifmap32->irq);
-		err |= __get_user(ifr.ifr_map.dma, &uifmap32->dma);
-		err |= __get_user(ifr.ifr_map.port, &uifmap32->port);
-		if (err)
-			return -EFAULT;
-		break;
-	case SIOCSHWTSTAMP:
-		if (copy_from_user(&ifr, uifr32, sizeof(*uifr32)))
-			return -EFAULT;
-		ifr.ifr_data = compat_ptr(uifr32->ifr_ifru.ifru_data);
-		break;
-	default:
-		if (copy_from_user(&ifr, uifr32, sizeof(*uifr32)))
-			return -EFAULT;
-		break;
-	}
-	old_fs = get_fs();
-	set_fs (KERNEL_DS);
-	err = sys_ioctl (fd, cmd, (unsigned long)&ifr);
-	set_fs (old_fs);
-	if (!err) {
-		switch (cmd) {
-		/* TUNSETIFF is defined as _IOW, it should be _IORW
-		 * as the data is copied back to user space, but that
-		 * cannot be fixed without breaking all existing apps.
-		 */
-		case TUNSETIFF:
-		case TUNGETIFF:
-		case SIOCGIFFLAGS:
-		case SIOCGIFMETRIC:
-		case SIOCGIFMTU:
-		case SIOCGIFMEM:
-		case SIOCGIFHWADDR:
-		case SIOCGIFINDEX:
-		case SIOCGIFADDR:
-		case SIOCGIFBRDADDR:
-		case SIOCGIFDSTADDR:
-		case SIOCGIFNETMASK:
-		case SIOCGIFTXQLEN:
-			if (copy_to_user(uifr32, &ifr, sizeof(*uifr32)))
-				return -EFAULT;
-			break;
-		case SIOCGIFMAP:
-			err = copy_to_user(uifr32, &ifr, sizeof(ifr.ifr_name));
-			err |= __put_user(ifr.ifr_map.mem_start, &uifmap32->mem_start);
-			err |= __put_user(ifr.ifr_map.mem_end, &uifmap32->mem_end);
-			err |= __put_user(ifr.ifr_map.base_addr, &uifmap32->base_addr);
-			err |= __put_user(ifr.ifr_map.irq, &uifmap32->irq);
-			err |= __put_user(ifr.ifr_map.dma, &uifmap32->dma);
-			err |= __put_user(ifr.ifr_map.port, &uifmap32->port);
-			if (err)
-				err = -EFAULT;
-			break;
-		}
-	}
-	return err;
-}
-
-struct rtentry32 {
-        u32   		rt_pad1;
-        struct sockaddr rt_dst;         /* target address               */
-        struct sockaddr rt_gateway;     /* gateway addr (RTF_GATEWAY)   */
-        struct sockaddr rt_genmask;     /* target network mask (IP)     */
-        unsigned short  rt_flags;
-        short           rt_pad2;
-        u32   		rt_pad3;
-        unsigned char   rt_tos;
-        unsigned char   rt_class;
-        short           rt_pad4;
-        short           rt_metric;      /* +1 for binary compatibility! */
-        /* char * */ u32 rt_dev;        /* forcing the device at add    */
-        u32   		rt_mtu;         /* per route MTU/Window         */
-        u32   		rt_window;      /* Window clamping              */
-        unsigned short  rt_irtt;        /* Initial RTT                  */
-
-};
-
-struct in6_rtmsg32 {
-	struct in6_addr		rtmsg_dst;
-	struct in6_addr		rtmsg_src;
-	struct in6_addr		rtmsg_gateway;
-	u32			rtmsg_type;
-	u16			rtmsg_dst_len;
-	u16			rtmsg_src_len;
-	u32			rtmsg_metric;
-	u32			rtmsg_info;
-	u32			rtmsg_flags;
-	s32			rtmsg_ifindex;
-};
-
-static int routing_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	int ret;
-	void *r = NULL;
-	struct in6_rtmsg r6;
-	struct rtentry r4;
-	char devname[16];
-	u32 rtdev;
-	mm_segment_t old_fs = get_fs();
-	
-	struct socket *mysock = sockfd_lookup(fd, &ret);
-
-	if (mysock && mysock->sk && mysock->sk->sk_family == AF_INET6) { /* ipv6 */
-		struct in6_rtmsg32 __user *ur6 = compat_ptr(arg);
-		ret = copy_from_user (&r6.rtmsg_dst, &(ur6->rtmsg_dst),
-			3 * sizeof(struct in6_addr));
-		ret |= __get_user (r6.rtmsg_type, &(ur6->rtmsg_type));
-		ret |= __get_user (r6.rtmsg_dst_len, &(ur6->rtmsg_dst_len));
-		ret |= __get_user (r6.rtmsg_src_len, &(ur6->rtmsg_src_len));
-		ret |= __get_user (r6.rtmsg_metric, &(ur6->rtmsg_metric));
-		ret |= __get_user (r6.rtmsg_info, &(ur6->rtmsg_info));
-		ret |= __get_user (r6.rtmsg_flags, &(ur6->rtmsg_flags));
-		ret |= __get_user (r6.rtmsg_ifindex, &(ur6->rtmsg_ifindex));
-		
-		r = (void *) &r6;
-	} else { /* ipv4 */
-		struct rtentry32 __user *ur4 = compat_ptr(arg);
-		ret = copy_from_user (&r4.rt_dst, &(ur4->rt_dst),
-					3 * sizeof(struct sockaddr));
-		ret |= __get_user (r4.rt_flags, &(ur4->rt_flags));
-		ret |= __get_user (r4.rt_metric, &(ur4->rt_metric));
-		ret |= __get_user (r4.rt_mtu, &(ur4->rt_mtu));
-		ret |= __get_user (r4.rt_window, &(ur4->rt_window));
-		ret |= __get_user (r4.rt_irtt, &(ur4->rt_irtt));
-		ret |= __get_user (rtdev, &(ur4->rt_dev));
-		if (rtdev) {
-			ret |= copy_from_user (devname, compat_ptr(rtdev), 15);
-			r4.rt_dev = devname; devname[15] = 0;
-		} else
-			r4.rt_dev = NULL;
-
-		r = (void *) &r4;
-	}
-
-	if (ret) {
-		ret = -EFAULT;
-		goto out;
-	}
-
-	set_fs (KERNEL_DS);
-	ret = sys_ioctl (fd, cmd, (unsigned long) r);
-	set_fs (old_fs);
-
-out:
-	if (mysock)
-		sockfd_put(mysock);
-
-	return ret;
-}
-#endif
-
 #ifdef CONFIG_BLOCK
 typedef struct sg_io_hdr32 {
 	compat_int_t interface_id;	/* [i] 'S' for SCSI generic (required) */
@@ -1212,170 +790,6 @@ static int do_smb_getmountuid(unsigned int fd, unsigned int cmd, unsigned long a
 	return err;
 }
 
-struct atmif_sioc32 {
-        compat_int_t	number;
-        compat_int_t	length;
-        compat_caddr_t	arg;
-};
-
-struct atm_iobuf32 {
-	compat_int_t	length;
-	compat_caddr_t	buffer;
-};
-
-#define ATM_GETLINKRATE32 _IOW('a', ATMIOC_ITF+1, struct atmif_sioc32)
-#define ATM_GETNAMES32    _IOW('a', ATMIOC_ITF+3, struct atm_iobuf32)
-#define ATM_GETTYPE32     _IOW('a', ATMIOC_ITF+4, struct atmif_sioc32)
-#define ATM_GETESI32	  _IOW('a', ATMIOC_ITF+5, struct atmif_sioc32)
-#define ATM_GETADDR32	  _IOW('a', ATMIOC_ITF+6, struct atmif_sioc32)
-#define ATM_RSTADDR32	  _IOW('a', ATMIOC_ITF+7, struct atmif_sioc32)
-#define ATM_ADDADDR32	  _IOW('a', ATMIOC_ITF+8, struct atmif_sioc32)
-#define ATM_DELADDR32	  _IOW('a', ATMIOC_ITF+9, struct atmif_sioc32)
-#define ATM_GETCIRANGE32  _IOW('a', ATMIOC_ITF+10, struct atmif_sioc32)
-#define ATM_SETCIRANGE32  _IOW('a', ATMIOC_ITF+11, struct atmif_sioc32)
-#define ATM_SETESI32      _IOW('a', ATMIOC_ITF+12, struct atmif_sioc32)
-#define ATM_SETESIF32     _IOW('a', ATMIOC_ITF+13, struct atmif_sioc32)
-#define ATM_GETSTAT32     _IOW('a', ATMIOC_SARCOM+0, struct atmif_sioc32)
-#define ATM_GETSTATZ32    _IOW('a', ATMIOC_SARCOM+1, struct atmif_sioc32)
-#define ATM_GETLOOP32	  _IOW('a', ATMIOC_SARCOM+2, struct atmif_sioc32)
-#define ATM_SETLOOP32	  _IOW('a', ATMIOC_SARCOM+3, struct atmif_sioc32)
-#define ATM_QUERYLOOP32	  _IOW('a', ATMIOC_SARCOM+4, struct atmif_sioc32)
-
-static struct {
-        unsigned int cmd32;
-        unsigned int cmd;
-} atm_ioctl_map[] = {
-        { ATM_GETLINKRATE32, ATM_GETLINKRATE },
-	{ ATM_GETNAMES32,    ATM_GETNAMES },
-        { ATM_GETTYPE32,     ATM_GETTYPE },
-        { ATM_GETESI32,      ATM_GETESI },
-        { ATM_GETADDR32,     ATM_GETADDR },
-        { ATM_RSTADDR32,     ATM_RSTADDR },
-        { ATM_ADDADDR32,     ATM_ADDADDR },
-        { ATM_DELADDR32,     ATM_DELADDR },
-        { ATM_GETCIRANGE32,  ATM_GETCIRANGE },
-	{ ATM_SETCIRANGE32,  ATM_SETCIRANGE },
-	{ ATM_SETESI32,      ATM_SETESI },
-	{ ATM_SETESIF32,     ATM_SETESIF },
-	{ ATM_GETSTAT32,     ATM_GETSTAT },
-	{ ATM_GETSTATZ32,    ATM_GETSTATZ },
-	{ ATM_GETLOOP32,     ATM_GETLOOP },
-	{ ATM_SETLOOP32,     ATM_SETLOOP },
-	{ ATM_QUERYLOOP32,   ATM_QUERYLOOP }
-};
-
-#define NR_ATM_IOCTL ARRAY_SIZE(atm_ioctl_map)
-
-static int do_atm_iobuf(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	struct atm_iobuf   __user *iobuf;
-	struct atm_iobuf32 __user *iobuf32;
-	u32 data;
-	void __user *datap;
-	int len, err;
-
-	iobuf = compat_alloc_user_space(sizeof(*iobuf));
-	iobuf32 = compat_ptr(arg);
-
-	if (get_user(len, &iobuf32->length) ||
-	    get_user(data, &iobuf32->buffer))
-		return -EFAULT;
-	datap = compat_ptr(data);
-	if (put_user(len, &iobuf->length) ||
-	    put_user(datap, &iobuf->buffer))
-		return -EFAULT;
-
-	err = sys_ioctl(fd, cmd, (unsigned long)iobuf);
-
-	if (!err) {
-		if (copy_in_user(&iobuf32->length, &iobuf->length,
-				 sizeof(int)))
-			err = -EFAULT;
-	}
-
-	return err;
-}
-
-static int do_atmif_sioc(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-        struct atmif_sioc   __user *sioc;
-	struct atmif_sioc32 __user *sioc32;
-	u32 data;
-	void __user *datap;
-	int err;
-        
-	sioc = compat_alloc_user_space(sizeof(*sioc));
-	sioc32 = compat_ptr(arg);
-
-	if (copy_in_user(&sioc->number, &sioc32->number, 2 * sizeof(int)) ||
-	    get_user(data, &sioc32->arg))
-		return -EFAULT;
-	datap = compat_ptr(data);
-	if (put_user(datap, &sioc->arg))
-		return -EFAULT;
-
-	err = sys_ioctl(fd, cmd, (unsigned long) sioc);
-
-	if (!err) {
-		if (copy_in_user(&sioc32->length, &sioc->length,
-				 sizeof(int)))
-			err = -EFAULT;
-	}
-	return err;
-}
-
-static int do_atm_ioctl(unsigned int fd, unsigned int cmd32, unsigned long arg)
-{
-        int i;
-        unsigned int cmd = 0;
-        
-	switch (cmd32) {
-	case SONET_GETSTAT:
-	case SONET_GETSTATZ:
-	case SONET_GETDIAG:
-	case SONET_SETDIAG:
-	case SONET_CLRDIAG:
-	case SONET_SETFRAMING:
-	case SONET_GETFRAMING:
-	case SONET_GETFRSENSE:
-		return do_atmif_sioc(fd, cmd32, arg);
-	}
-
-	for (i = 0; i < NR_ATM_IOCTL; i++) {
-		if (cmd32 == atm_ioctl_map[i].cmd32) {
-			cmd = atm_ioctl_map[i].cmd;
-			break;
-		}
-	}
-	if (i == NR_ATM_IOCTL)
-	        return -EINVAL;
-        
-        switch (cmd) {
-	case ATM_GETNAMES:
-		return do_atm_iobuf(fd, cmd, arg);
-	    
-	case ATM_GETLINKRATE:
-        case ATM_GETTYPE:
-        case ATM_GETESI:
-        case ATM_GETADDR:
-        case ATM_RSTADDR:
-        case ATM_ADDADDR:
-        case ATM_DELADDR:
-        case ATM_GETCIRANGE:
-	case ATM_SETCIRANGE:
-	case ATM_SETESI:
-	case ATM_SETESIF:
-	case ATM_GETSTAT:
-	case ATM_GETSTATZ:
-	case ATM_GETLOOP:
-	case ATM_SETLOOP:
-	case ATM_QUERYLOOP:
-                return do_atmif_sioc(fd, cmd, arg);
-        }
-
-        return -EINVAL;
-}
-
 static __used int
 ret_einval(unsigned int fd, unsigned int cmd, unsigned long arg)
 {
@@ -1718,21 +1132,6 @@ static int do_i2c_smbus_ioctl(unsigned int fd, unsigned int cmd, unsigned long a
 	return sys_ioctl(fd, cmd, (unsigned long)tdata);
 }
 
-/* Since old style bridge ioctl's endup using SIOCDEVPRIVATE
- * for some operations; this forces use of the newer bridge-utils that
- * use compatible ioctls
- */
-static int old_bridge_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	u32 tmp;
-
-	if (get_user(tmp, (u32 __user *) arg))
-		return -EFAULT;
-	if (tmp == BRCTL_GET_VERSION)
-		return BRCTL_VERSION + 1;
-	return -EINVAL;
-}
-
 #define RTC_IRQP_READ32		_IOR('p', 0x0b, compat_ulong_t)
 #define RTC_IRQP_SET32		_IOW('p', 0x0c, compat_ulong_t)
 #define RTC_EPOCH_READ32	_IOR('p', 0x0d, compat_ulong_t)
@@ -1979,18 +1378,6 @@ COMPATIBLE_IOCTL(SCSI_IOCTL_SEND_COMMAND)
 COMPATIBLE_IOCTL(SCSI_IOCTL_PROBE_HOST)
 COMPATIBLE_IOCTL(SCSI_IOCTL_GET_PCI)
 #endif
-/* Big T */
-COMPATIBLE_IOCTL(TUNSETNOCSUM)
-COMPATIBLE_IOCTL(TUNSETDEBUG)
-COMPATIBLE_IOCTL(TUNSETPERSIST)
-COMPATIBLE_IOCTL(TUNSETOWNER)
-COMPATIBLE_IOCTL(TUNSETLINK)
-COMPATIBLE_IOCTL(TUNSETGROUP)
-COMPATIBLE_IOCTL(TUNGETFEATURES)
-COMPATIBLE_IOCTL(TUNSETOFFLOAD)
-COMPATIBLE_IOCTL(TUNSETTXFILTER)
-COMPATIBLE_IOCTL(TUNGETSNDBUF)
-COMPATIBLE_IOCTL(TUNSETSNDBUF)
 /* Big V */
 COMPATIBLE_IOCTL(VT_SETMODE)
 COMPATIBLE_IOCTL(VT_GETMODE)
@@ -2032,30 +1419,6 @@ COMPATIBLE_IOCTL(_IOW('p', 21, int[7])) /* RTCSET */
 COMPATIBLE_IOCTL(MTIOCTOP)
 /* Socket level stuff */
 COMPATIBLE_IOCTL(FIOQSIZE)
-COMPATIBLE_IOCTL(FIOSETOWN)
-COMPATIBLE_IOCTL(SIOCSPGRP)
-COMPATIBLE_IOCTL(FIOGETOWN)
-COMPATIBLE_IOCTL(SIOCGPGRP)
-COMPATIBLE_IOCTL(SIOCATMARK)
-COMPATIBLE_IOCTL(SIOCSIFLINK)
-COMPATIBLE_IOCTL(SIOCSIFENCAP)
-COMPATIBLE_IOCTL(SIOCGIFENCAP)
-COMPATIBLE_IOCTL(SIOCSIFNAME)
-COMPATIBLE_IOCTL(SIOCSARP)
-COMPATIBLE_IOCTL(SIOCGARP)
-COMPATIBLE_IOCTL(SIOCDARP)
-COMPATIBLE_IOCTL(SIOCSRARP)
-COMPATIBLE_IOCTL(SIOCGRARP)
-COMPATIBLE_IOCTL(SIOCDRARP)
-COMPATIBLE_IOCTL(SIOCADDDLCI)
-COMPATIBLE_IOCTL(SIOCDELDLCI)
-COMPATIBLE_IOCTL(SIOCGMIIPHY)
-COMPATIBLE_IOCTL(SIOCGMIIREG)
-COMPATIBLE_IOCTL(SIOCSMIIREG)
-COMPATIBLE_IOCTL(SIOCGIFVLAN)
-COMPATIBLE_IOCTL(SIOCSIFVLAN)
-COMPATIBLE_IOCTL(SIOCBRADDBR)
-COMPATIBLE_IOCTL(SIOCBRDELBR)
 #ifdef CONFIG_BLOCK
 /* SG stuff */
 COMPATIBLE_IOCTL(SG_SET_TIMEOUT)
@@ -2311,22 +1674,6 @@ COMPATIBLE_IOCTL(RAW_SETBIND)
 COMPATIBLE_IOCTL(RAW_GETBIND)
 /* SMB ioctls which do not need any translations */
 COMPATIBLE_IOCTL(SMB_IOC_NEWCONN)
-/* Little a */
-COMPATIBLE_IOCTL(ATMSIGD_CTRL)
-COMPATIBLE_IOCTL(ATMARPD_CTRL)
-COMPATIBLE_IOCTL(ATMLEC_CTRL)
-COMPATIBLE_IOCTL(ATMLEC_MCAST)
-COMPATIBLE_IOCTL(ATMLEC_DATA)
-COMPATIBLE_IOCTL(ATM_SETSC)
-COMPATIBLE_IOCTL(SIOCSIFATMTCP)
-COMPATIBLE_IOCTL(SIOCMKCLIP)
-COMPATIBLE_IOCTL(ATMARP_MKIP)
-COMPATIBLE_IOCTL(ATMARP_SETENTRY)
-COMPATIBLE_IOCTL(ATMARP_ENCAP)
-COMPATIBLE_IOCTL(ATMTCP_CREATE)
-COMPATIBLE_IOCTL(ATMTCP_REMOVE)
-COMPATIBLE_IOCTL(ATMMPC_CTRL)
-COMPATIBLE_IOCTL(ATMMPC_DATA)
 /* Watchdog */
 COMPATIBLE_IOCTL(WDIOC_GETSUPPORT)
 COMPATIBLE_IOCTL(WDIOC_GETSTATUS)
@@ -2532,63 +1879,6 @@ COMPATIBLE_IOCTL(JSIOCGBUTTONS)
 COMPATIBLE_IOCTL(JSIOCGNAME(0))
 
 /* now things that need handlers */
-#ifdef CONFIG_NET
-HANDLE_IOCTL(SIOCGIFNAME, dev_ifname32)
-HANDLE_IOCTL(SIOCGIFCONF, dev_ifconf)
-HANDLE_IOCTL(SIOCGIFFLAGS, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFFLAGS, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFMETRIC, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFMETRIC, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFMTU, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFMTU, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFMEM, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFMEM, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFHWADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFHWADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCADDMULTI, dev_ifsioc)
-HANDLE_IOCTL(SIOCDELMULTI, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFINDEX, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFMAP, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFMAP, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFHWBROADCAST, dev_ifsioc)
-HANDLE_IOCTL(SIOCSHWTSTAMP, dev_ifsioc)
-
-/* ioctls used by appletalk ddp.c */
-HANDLE_IOCTL(SIOCATALKDIFADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCDIFADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCSARP, dev_ifsioc)
-HANDLE_IOCTL(SIOCDARP, dev_ifsioc)
-
-HANDLE_IOCTL(SIOCGIFBRDADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFBRDADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFDSTADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFDSTADDR, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFNETMASK, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFNETMASK, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFPFLAGS, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFPFLAGS, dev_ifsioc)
-HANDLE_IOCTL(SIOCGIFTXQLEN, dev_ifsioc)
-HANDLE_IOCTL(SIOCSIFTXQLEN, dev_ifsioc)
-HANDLE_IOCTL(TUNSETIFF, dev_ifsioc)
-HANDLE_IOCTL(TUNGETIFF, dev_ifsioc)
-HANDLE_IOCTL(SIOCETHTOOL, ethtool_ioctl)
-HANDLE_IOCTL(SIOCBONDENSLAVE, bond_ioctl)
-HANDLE_IOCTL(SIOCBONDRELEASE, bond_ioctl)
-HANDLE_IOCTL(SIOCBONDSETHWADDR, bond_ioctl)
-HANDLE_IOCTL(SIOCBONDSLAVEINFOQUERY, bond_ioctl)
-HANDLE_IOCTL(SIOCBONDINFOQUERY, bond_ioctl)
-HANDLE_IOCTL(SIOCBONDCHANGEACTIVE, bond_ioctl)
-HANDLE_IOCTL(SIOCADDRT, routing_ioctl)
-HANDLE_IOCTL(SIOCDELRT, routing_ioctl)
-HANDLE_IOCTL(SIOCBRADDIF, dev_ifsioc)
-HANDLE_IOCTL(SIOCBRDELIF, dev_ifsioc)
-/* Note SIOCRTMSG is no longer, so this is safe and * the user would have seen just an -EINVAL anyways. */
-HANDLE_IOCTL(SIOCRTMSG, ret_einval)
-HANDLE_IOCTL(SIOCGSTAMP, do_siocgstamp)
-HANDLE_IOCTL(SIOCGSTAMPNS, do_siocgstampns)
-#endif
 #ifdef CONFIG_BLOCK
 HANDLE_IOCTL(SG_IO,sg_ioctl_trans)
 HANDLE_IOCTL(SG_GET_REQUEST_TABLE, sg_grt_trans)
@@ -2613,31 +1903,6 @@ HANDLE_IOCTL(KDFONTOP, do_kdfontop_ioctl)
 /* One SMB ioctl needs translations. */
 #define SMB_IOC_GETMOUNTUID_32 _IOR('u', 1, compat_uid_t)
 HANDLE_IOCTL(SMB_IOC_GETMOUNTUID_32, do_smb_getmountuid)
-HANDLE_IOCTL(ATM_GETLINKRATE32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETNAMES32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETTYPE32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETESI32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETADDR32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_RSTADDR32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_ADDADDR32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_DELADDR32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETCIRANGE32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_SETCIRANGE32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_SETESI32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_SETESIF32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETSTAT32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETSTATZ32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_GETLOOP32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_SETLOOP32, do_atm_ioctl)
-HANDLE_IOCTL(ATM_QUERYLOOP32, do_atm_ioctl)
-HANDLE_IOCTL(SONET_GETSTAT, do_atm_ioctl)
-HANDLE_IOCTL(SONET_GETSTATZ, do_atm_ioctl)
-HANDLE_IOCTL(SONET_GETDIAG, do_atm_ioctl)
-HANDLE_IOCTL(SONET_SETDIAG, do_atm_ioctl)
-HANDLE_IOCTL(SONET_CLRDIAG, do_atm_ioctl)
-HANDLE_IOCTL(SONET_SETFRAMING, do_atm_ioctl)
-HANDLE_IOCTL(SONET_GETFRAMING, do_atm_ioctl)
-HANDLE_IOCTL(SONET_GETFRSENSE, do_atm_ioctl)
 /* block stuff */
 #ifdef CONFIG_BLOCK
 /* loop */
@@ -2672,11 +1937,7 @@ COMPATIBLE_IOCTL(USBDEVFS_IOCTL32)
 HANDLE_IOCTL(I2C_FUNCS, w_long)
 HANDLE_IOCTL(I2C_RDWR, do_i2c_rdwr_ioctl)
 HANDLE_IOCTL(I2C_SMBUS, do_i2c_smbus_ioctl)
-/* bridge */
-HANDLE_IOCTL(SIOCSIFBR, old_bridge_ioctl)
-HANDLE_IOCTL(SIOCGIFBR, old_bridge_ioctl)
 /* Not implemented in the native kernel */
-IGNORE_IOCTL(SIOCGIFCOUNT)
 HANDLE_IOCTL(RTC_IRQP_READ32, rtc_ioctl)
 HANDLE_IOCTL(RTC_IRQP_SET32, rtc_ioctl)
 HANDLE_IOCTL(RTC_EPOCH_READ32, rtc_ioctl)
@@ -2831,12 +2092,6 @@ asmlinkage long compat_sys_ioctl(unsigned int fd, unsigned int cmd,
 			goto found_handler;
 	}
 
-#ifdef CONFIG_NET
-	if (S_ISSOCK(filp->f_path.dentry->d_inode->i_mode) &&
-	    cmd >= SIOCDEVPRIVATE && cmd <= (SIOCDEVPRIVATE + 15)) {
-		error = siocdevprivate_ioctl(fd, cmd, arg);
-	} else
-#endif
 	{
 		static int count;
 
diff --git a/fs/direct-io.c b/fs/direct-io.c
index 8b10b87dc01..b912270942f 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c
@@ -1028,9 +1028,6 @@ direct_io_worker(int rw, struct kiocb *iocb, struct inode *inode,
 	if (dio->bio)
 		dio_bio_submit(dio);
 
-	/* All IO is now issued, send it on its way */
-	blk_run_address_space(inode->i_mapping);
-
 	/*
 	 * It is possible that, we return short IO due to end of file.
 	 * In that case, we need to release all the pages we got hold on.
@@ -1057,8 +1054,11 @@ direct_io_worker(int rw, struct kiocb *iocb, struct inode *inode,
 	    ((rw & READ) || (dio->result == dio->size)))
 		ret = -EIOCBQUEUED;
 
-	if (ret != -EIOCBQUEUED)
+	if (ret != -EIOCBQUEUED) {
+		/* All IO is now issued, send it on its way */
+		blk_run_address_space(inode->i_mapping);
 		dio_await_completion(dio);
+	}
 
 	/*
 	 * Sync will always be dropping the final ref and completing the
@@ -1124,7 +1124,7 @@ __blockdev_direct_IO(int rw, struct kiocb *iocb, struct inode *inode,
 	int acquire_i_mutex = 0;
 
 	if (rw & WRITE)
-		rw = WRITE_ODIRECT;
+		rw = WRITE_ODIRECT_PLUG;
 
 	if (bdev)
 		bdev_blkbits = blksize_bits(bdev_logical_block_size(bdev));
diff --git a/fs/eventpoll.c b/fs/eventpoll.c
index 085c5c06342..366c503f965 100644
--- a/fs/eventpoll.c
+++ b/fs/eventpoll.c
@@ -251,10 +251,10 @@ ctl_table epoll_table[] = {
 		.data		= &max_user_watches,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= &zero,
 	},
-	{ .ctl_name = 0 }
+	{ }
 };
 #endif /* CONFIG_SYSCTL */
 
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index 9d5360c4c2a..49bc1b8e8f1 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -614,7 +614,6 @@ static void writeback_inodes_wb(struct bdi_writeback *wb,
 				struct writeback_control *wbc)
 {
 	struct super_block *sb = wbc->sb, *pin_sb = NULL;
-	const int is_blkdev_sb = sb_is_blkdev_sb(sb);
 	const unsigned long start = jiffies;	/* livelock avoidance */
 
 	spin_lock(&inode_lock);
@@ -635,36 +634,11 @@ static void writeback_inodes_wb(struct bdi_writeback *wb,
 			continue;
 		}
 
-		if (!bdi_cap_writeback_dirty(wb->bdi)) {
-			redirty_tail(inode);
-			if (is_blkdev_sb) {
-				/*
-				 * Dirty memory-backed blockdev: the ramdisk
-				 * driver does this.  Skip just this inode
-				 */
-				continue;
-			}
-			/*
-			 * Dirty memory-backed inode against a filesystem other
-			 * than the kernel-internal bdev filesystem.  Skip the
-			 * entire superblock.
-			 */
-			break;
-		}
-
 		if (inode->i_state & (I_NEW | I_WILL_FREE)) {
 			requeue_io(inode);
 			continue;
 		}
 
-		if (wbc->nonblocking && bdi_write_congested(wb->bdi)) {
-			wbc->encountered_congestion = 1;
-			if (!is_blkdev_sb)
-				break;		/* Skip a congested fs */
-			requeue_io(inode);
-			continue;		/* Skip a congested blockdev */
-		}
-
 		/*
 		 * Was this inode dirtied after sync_sb_inodes was called?
 		 * This keeps sync from extra jobs and livelock.
@@ -756,6 +730,7 @@ static long wb_writeback(struct bdi_writeback *wb,
 		.sync_mode		= args->sync_mode,
 		.older_than_this	= NULL,
 		.for_kupdate		= args->for_kupdate,
+		.for_background		= args->for_background,
 		.range_cyclic		= args->range_cyclic,
 	};
 	unsigned long oldest_jif;
@@ -787,7 +762,6 @@ static long wb_writeback(struct bdi_writeback *wb,
 			break;
 
 		wbc.more_io = 0;
-		wbc.encountered_congestion = 0;
 		wbc.nr_to_write = MAX_WRITEBACK_PAGES;
 		wbc.pages_skipped = 0;
 		writeback_inodes_wb(wb, &wbc);
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 1a54ae14a19..e50cfa3d965 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -371,82 +371,74 @@ EXPORT_SYMBOL_GPL(lockd_down);
 
 static ctl_table nlm_sysctls[] = {
 	{
-		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "nlm_grace_period",
 		.data		= &nlm_grace_period,
 		.maxlen		= sizeof(unsigned long),
 		.mode		= 0644,
-		.proc_handler	= &proc_doulongvec_minmax,
+		.proc_handler	= proc_doulongvec_minmax,
 		.extra1		= (unsigned long *) &nlm_grace_period_min,
 		.extra2		= (unsigned long *) &nlm_grace_period_max,
 	},
 	{
-		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "nlm_timeout",
 		.data		= &nlm_timeout,
 		.maxlen		= sizeof(unsigned long),
 		.mode		= 0644,
-		.proc_handler	= &proc_doulongvec_minmax,
+		.proc_handler	= proc_doulongvec_minmax,
 		.extra1		= (unsigned long *) &nlm_timeout_min,
 		.extra2		= (unsigned long *) &nlm_timeout_max,
 	},
 	{
-		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "nlm_udpport",
 		.data		= &nlm_udpport,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= (int *) &nlm_port_min,
 		.extra2		= (int *) &nlm_port_max,
 	},
 	{
-		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "nlm_tcpport",
 		.data		= &nlm_tcpport,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= (int *) &nlm_port_min,
 		.extra2		= (int *) &nlm_port_max,
 	},
 	{
-		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "nsm_use_hostnames",
 		.data		= &nsm_use_hostnames,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec,
+		.proc_handler	= proc_dointvec,
 	},
 	{
-		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "nsm_local_state",
 		.data		= &nsm_local_state,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec,
+		.proc_handler	= proc_dointvec,
 	},
-	{ .ctl_name = 0 }
+	{ }
 };
 
 static ctl_table nlm_sysctl_dir[] = {
 	{
-		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "nfs",
 		.mode		= 0555,
 		.child		= nlm_sysctls,
 	},
-	{ .ctl_name = 0 }
+	{ }
 };
 
 static ctl_table nlm_sysctl_root[] = {
 	{
-		.ctl_name	= CTL_FS,
 		.procname	= "fs",
 		.mode		= 0555,
 		.child		= nlm_sysctl_dir,
 	},
-	{ .ctl_name = 0 }
+	{ }
 };
 
 #endif	/* CONFIG_SYSCTL */
diff --git a/fs/nfs/sysctl.c b/fs/nfs/sysctl.c
index b62481dabae..70e1fbbaaea 100644
--- a/fs/nfs/sysctl.c
+++ b/fs/nfs/sysctl.c
@@ -22,63 +22,55 @@ static struct ctl_table_header *nfs_callback_sysctl_table;
 static ctl_table nfs_cb_sysctls[] = {
 #ifdef CONFIG_NFS_V4
 	{
-		.ctl_name = CTL_UNNUMBERED,
 		.procname = "nfs_callback_tcpport",
 		.data = &nfs_callback_set_tcpport,
 		.maxlen = sizeof(int),
 		.mode = 0644,
-		.proc_handler = &proc_dointvec_minmax,
+		.proc_handler = proc_dointvec_minmax,
 		.extra1 = (int *)&nfs_set_port_min,
 		.extra2 = (int *)&nfs_set_port_max,
 	},
 	{
-		.ctl_name = CTL_UNNUMBERED,
 		.procname = "idmap_cache_timeout",
 		.data = &nfs_idmap_cache_timeout,
 		.maxlen = sizeof(int),
 		.mode = 0644,
-		.proc_handler = &proc_dointvec_jiffies,
-		.strategy = &sysctl_jiffies,
+		.proc_handler = proc_dointvec_jiffies,
 	},
 #endif
 	{
-		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "nfs_mountpoint_timeout",
 		.data		= &nfs_mountpoint_expiry_timeout,
 		.maxlen		= sizeof(nfs_mountpoint_expiry_timeout),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_jiffies,
-		.strategy	= &sysctl_jiffies,
+		.proc_handler	= proc_dointvec_jiffies,
 	},
 	{
-		.ctl_name	= CTL_UNNUMBERED,
 		.procname	= "nfs_congestion_kb",
 		.data		= &nfs_congestion_kb,
 		.maxlen		= sizeof(nfs_congestion_kb),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec,
+		.proc_handler	= proc_dointvec,
 	},
-	{ .ctl_name = 0 }
+	{ }
 };
 
 static ctl_table nfs_cb_sysctl_dir[] = {
 	{
-		.ctl_name = CTL_UNNUMBERED,
 		.procname = "nfs",
 		.mode = 0555,
 		.child = nfs_cb_sysctls,
 	},
-	{ .ctl_name = 0 }
+	{ }
 };
 
 static ctl_table nfs_cb_sysctl_root[] = {
 	{
-		.ctl_name = CTL_FS,
 		.procname = "fs",
 		.mode = 0555,
 		.child = nfs_cb_sysctl_dir,
 	},
-	{ .ctl_name = 0 }
+	{ }
 };
 
 int nfs_register_sysctl(void)
diff --git a/fs/nfs/write.c b/fs/nfs/write.c
index 53eb26c16b5..c84b5cc1a94 100644
--- a/fs/nfs/write.c
+++ b/fs/nfs/write.c
@@ -178,7 +178,7 @@ static int wb_priority(struct writeback_control *wbc)
 {
 	if (wbc->for_reclaim)
 		return FLUSH_HIGHPRI | FLUSH_STABLE;
-	if (wbc->for_kupdate)
+	if (wbc->for_kupdate || wbc->for_background)
 		return FLUSH_LOWPRI;
 	return 0;
 }
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index dcd2040d330..1d1d1a2765d 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -69,36 +69,30 @@ static int zero;
 
 ctl_table inotify_table[] = {
 	{
-		.ctl_name	= INOTIFY_MAX_USER_INSTANCES,
 		.procname	= "max_user_instances",
 		.data		= &inotify_max_user_instances,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
-		.strategy	= &sysctl_intvec,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= &zero,
 	},
 	{
-		.ctl_name	= INOTIFY_MAX_USER_WATCHES,
 		.procname	= "max_user_watches",
 		.data		= &inotify_max_user_watches,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
-		.strategy	= &sysctl_intvec,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= &zero,
 	},
 	{
-		.ctl_name	= INOTIFY_MAX_QUEUED_EVENTS,
 		.procname	= "max_queued_events",
 		.data		= &inotify_max_queued_events,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
-		.strategy	= &sysctl_intvec,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= &zero
 	},
-	{ .ctl_name = 0 }
+	{ }
 };
 #endif /* CONFIG_SYSCTL */
 
diff --git a/fs/ntfs/sysctl.c b/fs/ntfs/sysctl.c
index 9ef85e628fe..79a89184cb5 100644
--- a/fs/ntfs/sysctl.c
+++ b/fs/ntfs/sysctl.c
@@ -36,12 +36,11 @@
 /* Definition of the ntfs sysctl. */
 static ctl_table ntfs_sysctls[] = {
 	{
-		.ctl_name	= CTL_UNNUMBERED,	/* Binary and text IDs. */
 		.procname	= "ntfs-debug",
 		.data		= &debug_msgs,		/* Data pointer and size. */
 		.maxlen		= sizeof(debug_msgs),
 		.mode		= 0644,			/* Mode, proc handler. */
-		.proc_handler	= &proc_dointvec
+		.proc_handler	= proc_dointvec
 	},
 	{}
 };
@@ -49,7 +48,6 @@ static ctl_table ntfs_sysctls[] = {
 /* Define the parent directory /proc/sys/fs. */
 static ctl_table sysctls_root[] = {
 	{
-		.ctl_name	= CTL_FS,
 		.procname	= "fs",
 		.mode		= 0555,
 		.child		= ntfs_sysctls
diff --git a/fs/ocfs2/cluster/netdebug.c b/fs/ocfs2/cluster/netdebug.c
index da794bc07a6..a3f150e52b0 100644
--- a/fs/ocfs2/cluster/netdebug.c
+++ b/fs/ocfs2/cluster/netdebug.c
@@ -294,10 +294,10 @@ static int sc_seq_show(struct seq_file *seq, void *v)
 		if (sc->sc_sock) {
 			inet = inet_sk(sc->sc_sock->sk);
 			/* the stack's structs aren't sparse endian clean */
-			saddr = (__force __be32)inet->saddr;
-			daddr = (__force __be32)inet->daddr;
-			sport = (__force __be16)inet->sport;
-			dport = (__force __be16)inet->dport;
+			saddr = (__force __be32)inet->inet_saddr;
+			daddr = (__force __be32)inet->inet_daddr;
+			sport = (__force __be16)inet->inet_sport;
+			dport = (__force __be16)inet->inet_dport;
 		}
 
 		/* XXX sigh, inet-> doesn't have sparse annotation so any
diff --git a/fs/ocfs2/stackglue.c b/fs/ocfs2/stackglue.c
index 3f2f1c45b7b..f3df0baa9a4 100644
--- a/fs/ocfs2/stackglue.c
+++ b/fs/ocfs2/stackglue.c
@@ -620,51 +620,46 @@ error:
 
 static ctl_table ocfs2_nm_table[] = {
 	{
-		.ctl_name	= 1,
 		.procname	= "hb_ctl_path",
 		.data		= ocfs2_hb_ctl_path,
 		.maxlen		= OCFS2_MAX_HB_CTL_PATH,
 		.mode		= 0644,
-		.proc_handler	= &proc_dostring,
-		.strategy	= &sysctl_string,
+		.proc_handler	= proc_dostring,
 	},
-	{ .ctl_name = 0 }
+	{ }
 };
 
 static ctl_table ocfs2_mod_table[] = {
 	{
-		.ctl_name	= FS_OCFS2_NM,
 		.procname	= "nm",
 		.data		= NULL,
 		.maxlen		= 0,
 		.mode		= 0555,
 		.child		= ocfs2_nm_table
 	},
-	{ .ctl_name = 0}
+	{ }
 };
 
 static ctl_table ocfs2_kern_table[] = {
 	{
-		.ctl_name	= FS_OCFS2,
 		.procname	= "ocfs2",
 		.data		= NULL,
 		.maxlen		= 0,
 		.mode		= 0555,
 		.child		= ocfs2_mod_table
 	},
-	{ .ctl_name = 0}
+	{ }
 };
 
 static ctl_table ocfs2_root_table[] = {
 	{
-		.ctl_name	= CTL_FS,
 		.procname	= "fs",
 		.data		= NULL,
 		.maxlen		= 0,
 		.mode		= 0555,
 		.child		= ocfs2_kern_table
 	},
-	{ .ctl_name = 0 }
+	{ }
 };
 
 static struct ctl_table_header *ocfs2_table_header = NULL;
diff --git a/fs/partitions/check.c b/fs/partitions/check.c
index 7b685e10cba..64bc8998ac9 100644
--- a/fs/partitions/check.c
+++ b/fs/partitions/check.c
@@ -226,6 +226,13 @@ ssize_t part_alignment_offset_show(struct device *dev,
 	return sprintf(buf, "%llu\n", (unsigned long long)p->alignment_offset);
 }
 
+ssize_t part_discard_alignment_show(struct device *dev,
+				   struct device_attribute *attr, char *buf)
+{
+	struct hd_struct *p = dev_to_part(dev);
+	return sprintf(buf, "%u\n", p->discard_alignment);
+}
+
 ssize_t part_stat_show(struct device *dev,
 		       struct device_attribute *attr, char *buf)
 {
@@ -288,6 +295,8 @@ static DEVICE_ATTR(partition, S_IRUGO, part_partition_show, NULL);
 static DEVICE_ATTR(start, S_IRUGO, part_start_show, NULL);
 static DEVICE_ATTR(size, S_IRUGO, part_size_show, NULL);
 static DEVICE_ATTR(alignment_offset, S_IRUGO, part_alignment_offset_show, NULL);
+static DEVICE_ATTR(discard_alignment, S_IRUGO, part_discard_alignment_show,
+		   NULL);
 static DEVICE_ATTR(stat, S_IRUGO, part_stat_show, NULL);
 static DEVICE_ATTR(inflight, S_IRUGO, part_inflight_show, NULL);
 #ifdef CONFIG_FAIL_MAKE_REQUEST
@@ -300,6 +309,7 @@ static struct attribute *part_attrs[] = {
 	&dev_attr_start.attr,
 	&dev_attr_size.attr,
 	&dev_attr_alignment_offset.attr,
+	&dev_attr_discard_alignment.attr,
 	&dev_attr_stat.attr,
 	&dev_attr_inflight.attr,
 #ifdef CONFIG_FAIL_MAKE_REQUEST
@@ -403,6 +413,8 @@ struct hd_struct *add_partition(struct gendisk *disk, int partno,
 
 	p->start_sect = start;
 	p->alignment_offset = queue_sector_alignment_offset(disk->queue, start);
+	p->discard_alignment = queue_sector_discard_alignment(disk->queue,
+							      start);
 	p->nr_sects = len;
 	p->partno = partno;
 	p->policy = get_disk_ro(disk);
diff --git a/fs/partitions/efi.c b/fs/partitions/efi.c
index 038a6022152..49cfd5f5423 100644
--- a/fs/partitions/efi.c
+++ b/fs/partitions/efi.c
@@ -1,7 +1,9 @@
 /************************************************************
  * EFI GUID Partition Table handling
- * Per Intel EFI Specification v1.02
- * http://developer.intel.com/technology/efi/efi.htm
+ *
+ * http://www.uefi.org/specs/
+ * http://www.intel.com/technology/efi/
+ *
  * efi.[ch] by Matt Domsch <Matt_Domsch@dell.com>
  *   Copyright 2000,2001,2002,2004 Dell Inc.
  *
@@ -92,6 +94,7 @@
  *
  ************************************************************/
 #include <linux/crc32.h>
+#include <linux/math64.h>
 #include "check.h"
 #include "efi.h"
 
@@ -141,7 +144,8 @@ last_lba(struct block_device *bdev)
 {
 	if (!bdev || !bdev->bd_inode)
 		return 0;
-	return (bdev->bd_inode->i_size >> 9) - 1ULL;
+	return div_u64(bdev->bd_inode->i_size,
+		       bdev_logical_block_size(bdev)) - 1ULL;
 }
 
 static inline int
@@ -188,6 +192,7 @@ static size_t
 read_lba(struct block_device *bdev, u64 lba, u8 * buffer, size_t count)
 {
 	size_t totalreadcount = 0;
+	sector_t n = lba * (bdev_logical_block_size(bdev) / 512);
 
 	if (!bdev || !buffer || lba > last_lba(bdev))
                 return 0;
@@ -195,7 +200,7 @@ read_lba(struct block_device *bdev, u64 lba, u8 * buffer, size_t count)
 	while (count) {
 		int copied = 512;
 		Sector sect;
-		unsigned char *data = read_dev_sector(bdev, lba++, &sect);
+		unsigned char *data = read_dev_sector(bdev, n++, &sect);
 		if (!data)
 			break;
 		if (copied > count)
@@ -257,15 +262,16 @@ static gpt_header *
 alloc_read_gpt_header(struct block_device *bdev, u64 lba)
 {
 	gpt_header *gpt;
+	unsigned ssz = bdev_logical_block_size(bdev);
+
 	if (!bdev)
 		return NULL;
 
-	gpt = kzalloc(sizeof (gpt_header), GFP_KERNEL);
+	gpt = kzalloc(ssz, GFP_KERNEL);
 	if (!gpt)
 		return NULL;
 
-	if (read_lba(bdev, lba, (u8 *) gpt,
-		     sizeof (gpt_header)) < sizeof (gpt_header)) {
+	if (read_lba(bdev, lba, (u8 *) gpt, ssz) < ssz) {
 		kfree(gpt);
                 gpt=NULL;
 		return NULL;
@@ -601,6 +607,7 @@ efi_partition(struct parsed_partitions *state, struct block_device *bdev)
 	gpt_header *gpt = NULL;
 	gpt_entry *ptes = NULL;
 	u32 i;
+	unsigned ssz = bdev_logical_block_size(bdev) / 512;
 
 	if (!find_valid_gpt(bdev, &gpt, &ptes) || !gpt || !ptes) {
 		kfree(gpt);
@@ -611,13 +618,14 @@ efi_partition(struct parsed_partitions *state, struct block_device *bdev)
 	pr_debug("GUID Partition Table is valid!  Yea!\n");
 
 	for (i = 0; i < le32_to_cpu(gpt->num_partition_entries) && i < state->limit-1; i++) {
+		u64 start = le64_to_cpu(ptes[i].starting_lba);
+		u64 size = le64_to_cpu(ptes[i].ending_lba) -
+			   le64_to_cpu(ptes[i].starting_lba) + 1ULL;
+
 		if (!is_pte_valid(&ptes[i], last_lba(bdev)))
 			continue;
 
-		put_partition(state, i+1, le64_to_cpu(ptes[i].starting_lba),
-				 (le64_to_cpu(ptes[i].ending_lba) -
-                                  le64_to_cpu(ptes[i].starting_lba) +
-				  1ULL));
+		put_partition(state, i+1, start * ssz, size * ssz);
 
 		/* If this is a RAID volume, tell md */
 		if (!efi_guidcmp(ptes[i].partition_type_guid,
diff --git a/fs/partitions/efi.h b/fs/partitions/efi.h
index 2cc89d0475b..6998b589abf 100644
--- a/fs/partitions/efi.h
+++ b/fs/partitions/efi.h
@@ -37,7 +37,6 @@
 #define EFI_PMBR_OSTYPE_EFI 0xEF
 #define EFI_PMBR_OSTYPE_EFI_GPT 0xEE
 
-#define GPT_BLOCK_SIZE 512
 #define GPT_HEADER_SIGNATURE 0x5452415020494645ULL
 #define GPT_HEADER_REVISION_V1 0x00010000
 #define GPT_PRIMARY_PARTITION_TABLE_LBA 1
@@ -79,7 +78,12 @@ typedef struct _gpt_header {
 	__le32 num_partition_entries;
 	__le32 sizeof_partition_entry;
 	__le32 partition_entry_array_crc32;
-	u8 reserved2[GPT_BLOCK_SIZE - 92];
+
+	/* The rest of the logical block is reserved by UEFI and must be zero.
+	 * EFI standard handles this by:
+	 *
+	 * uint8_t		reserved2[ BlockSize - 92 ];
+	 */
 } __attribute__ ((packed)) gpt_header;
 
 typedef struct _gpt_entry_attributes {
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index f667e8aeabd..6ff9981f0a1 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -48,7 +48,7 @@ out:
 static struct ctl_table *find_in_table(struct ctl_table *p, struct qstr *name)
 {
 	int len;
-	for ( ; p->ctl_name || p->procname; p++) {
+	for ( ; p->procname; p++) {
 
 		if (!p->procname)
 			continue;
@@ -218,7 +218,7 @@ static int scan(struct ctl_table_header *head, ctl_table *table,
 		void *dirent, filldir_t filldir)
 {
 
-	for (; table->ctl_name || table->procname; table++, (*pos)++) {
+	for (; table->procname; table++, (*pos)++) {
 		int res;
 
 		/* Can't do anything without a proc name */
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index 9b6ad908dcb..eb5a755718f 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -2404,100 +2404,89 @@ const struct quotactl_ops vfs_quotactl_ops = {
 
 static ctl_table fs_dqstats_table[] = {
 	{
-		.ctl_name	= FS_DQ_LOOKUPS,
 		.procname	= "lookups",
 		.data		= &dqstats.lookups,
 		.maxlen		= sizeof(int),
 		.mode		= 0444,
-		.proc_handler	= &proc_dointvec,
+		.proc_handler	= proc_dointvec,
 	},
 	{
-		.ctl_name	= FS_DQ_DROPS,
 		.procname	= "drops",
 		.data		= &dqstats.drops,
 		.maxlen		= sizeof(int),
 		.mode		= 0444,
-		.proc_handler	= &proc_dointvec,
+		.proc_handler	= proc_dointvec,
 	},
 	{
-		.ctl_name	= FS_DQ_READS,
 		.procname	= "reads",
 		.data		= &dqstats.reads,
 		.maxlen		= sizeof(int),
 		.mode		= 0444,
-		.proc_handler	= &proc_dointvec,
+		.proc_handler	= proc_dointvec,
 	},
 	{
-		.ctl_name	= FS_DQ_WRITES,
 		.procname	= "writes",
 		.data		= &dqstats.writes,
 		.maxlen		= sizeof(int),
 		.mode		= 0444,
-		.proc_handler	= &proc_dointvec,
+		.proc_handler	= proc_dointvec,
 	},
 	{
-		.ctl_name	= FS_DQ_CACHE_HITS,
 		.procname	= "cache_hits",
 		.data		= &dqstats.cache_hits,
 		.maxlen		= sizeof(int),
 		.mode		= 0444,
-		.proc_handler	= &proc_dointvec,
+		.proc_handler	= proc_dointvec,
 	},
 	{
-		.ctl_name	= FS_DQ_ALLOCATED,
 		.procname	= "allocated_dquots",
 		.data		= &dqstats.allocated_dquots,
 		.maxlen		= sizeof(int),
 		.mode		= 0444,
-		.proc_handler	= &proc_dointvec,
+		.proc_handler	= proc_dointvec,
 	},
 	{
-		.ctl_name	= FS_DQ_FREE,
 		.procname	= "free_dquots",
 		.data		= &dqstats.free_dquots,
 		.maxlen		= sizeof(int),
 		.mode		= 0444,
-		.proc_handler	= &proc_dointvec,
+		.proc_handler	= proc_dointvec,
 	},
 	{
-		.ctl_name	= FS_DQ_SYNCS,
 		.procname	= "syncs",
 		.data		= &dqstats.syncs,
 		.maxlen		= sizeof(int),
 		.mode		= 0444,
-		.proc_handler	= &proc_dointvec,
+		.proc_handler	= proc_dointvec,
 	},
 #ifdef CONFIG_PRINT_QUOTA_WARNING
 	{
-		.ctl_name	= FS_DQ_WARNINGS,
 		.procname	= "warnings",
 		.data		= &flag_print_warnings,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec,
+		.proc_handler	= proc_dointvec,
 	},
 #endif
-	{ .ctl_name = 0 },
+	{ },
 };
 
 static ctl_table fs_table[] = {
 	{
-		.ctl_name	= FS_DQSTATS,
 		.procname	= "quota",
 		.mode		= 0555,
 		.child		= fs_dqstats_table,
 	},
-	{ .ctl_name = 0 },
+	{ },
 };
 
 static ctl_table sys_table[] = {
 	{
-		.ctl_name	= CTL_FS,
 		.procname	= "fs",
 		.mode		= 0555,
 		.child		= fs_table,
 	},
-	{ .ctl_name = 0 },
+	{ },
 };
 
 static int __init dquot_init(void)
diff --git a/fs/read_write.c b/fs/read_write.c
index 3ac28987f22..b7f4a1f94d4 100644
--- a/fs/read_write.c
+++ b/fs/read_write.c
@@ -826,8 +826,6 @@ static ssize_t do_sendfile(int out_fd, int in_fd, loff_t *ppos,
 	if (!(out_file->f_mode & FMODE_WRITE))
 		goto fput_out;
 	retval = -EINVAL;
-	if (!out_file->f_op || !out_file->f_op->sendpage)
-		goto fput_out;
 	in_inode = in_file->f_path.dentry->d_inode;
 	out_inode = out_file->f_path.dentry->d_inode;
 	retval = rw_verify_area(WRITE, out_file, &out_file->f_pos, count);
diff --git a/fs/splice.c b/fs/splice.c
index 7394e9e1753..39208663aaf 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -648,9 +648,11 @@ static int pipe_to_sendpage(struct pipe_inode_info *pipe,
 	ret = buf->ops->confirm(pipe, buf);
 	if (!ret) {
 		more = (sd->flags & SPLICE_F_MORE) || sd->len < sd->total_len;
-
-		ret = file->f_op->sendpage(file, buf->page, buf->offset,
-					   sd->len, &pos, more);
+		if (file->f_op && file->f_op->sendpage)
+			ret = file->f_op->sendpage(file, buf->page, buf->offset,
+						   sd->len, &pos, more);
+		else
+			ret = -EINVAL;
 	}
 
 	return ret;
@@ -1068,8 +1070,9 @@ static long do_splice_from(struct pipe_inode_info *pipe, struct file *out,
 	if (unlikely(ret < 0))
 		return ret;
 
-	splice_write = out->f_op->splice_write;
-	if (!splice_write)
+	if (out->f_op && out->f_op->splice_write)
+		splice_write = out->f_op->splice_write;
+	else
 		splice_write = default_file_splice_write;
 
 	return splice_write(pipe, out, ppos, len, flags);
@@ -1093,8 +1096,9 @@ static long do_splice_to(struct file *in, loff_t *ppos,
 	if (unlikely(ret < 0))
 		return ret;
 
-	splice_read = in->f_op->splice_read;
-	if (!splice_read)
+	if (in->f_op && in->f_op->splice_read)
+		splice_read = in->f_op->splice_read;
+	else
 		splice_read = default_file_splice_read;
 
 	return splice_read(in, ppos, pipe, len, flags);
@@ -1316,7 +1320,8 @@ static long do_splice(struct file *in, loff_t __user *off_in,
 		if (off_in)
 			return -ESPIPE;
 		if (off_out) {
-			if (out->f_op->llseek == no_llseek)
+			if (!out->f_op || !out->f_op->llseek ||
+			    out->f_op->llseek == no_llseek)
 				return -EINVAL;
 			if (copy_from_user(&offset, off_out, sizeof(loff_t)))
 				return -EFAULT;
@@ -1336,7 +1341,8 @@ static long do_splice(struct file *in, loff_t __user *off_in,
 		if (off_out)
 			return -ESPIPE;
 		if (off_in) {
-			if (in->f_op->llseek == no_llseek)
+			if (!in->f_op || !in->f_op->llseek ||
+			    in->f_op->llseek == no_llseek)
 				return -EINVAL;
 			if (copy_from_user(&offset, off_in, sizeof(loff_t)))
 				return -EFAULT;
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index c2e30eea74d..70f989895d1 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -904,16 +904,9 @@ xfs_convert_page(
 
 	if (startio) {
 		if (count) {
-			struct backing_dev_info *bdi;
-
-			bdi = inode->i_mapping->backing_dev_info;
 			wbc->nr_to_write--;
-			if (bdi_write_congested(bdi)) {
-				wbc->encountered_congestion = 1;
-				done = 1;
-			} else if (wbc->nr_to_write <= 0) {
+			if (wbc->nr_to_write <= 0)
 				done = 1;
-			}
 		}
 		xfs_start_page_writeback(page, !page_dirty, count);
 	}
diff --git a/fs/xfs/linux-2.6/xfs_sysctl.c b/fs/xfs/linux-2.6/xfs_sysctl.c
index c5bc67c4e3b..7bb5092d6ae 100644
--- a/fs/xfs/linux-2.6/xfs_sysctl.c
+++ b/fs/xfs/linux-2.6/xfs_sysctl.c
@@ -55,170 +55,140 @@ xfs_stats_clear_proc_handler(
 
 static ctl_table xfs_table[] = {
 	{
-		.ctl_name	= XFS_SGID_INHERIT,
 		.procname	= "irix_sgid_inherit",
 		.data		= &xfs_params.sgid_inherit.val,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
-		.strategy	= &sysctl_intvec,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= &xfs_params.sgid_inherit.min,
 		.extra2		= &xfs_params.sgid_inherit.max
 	},
 	{
-		.ctl_name	= XFS_SYMLINK_MODE,
 		.procname	= "irix_symlink_mode",
 		.data		= &xfs_params.symlink_mode.val,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
-		.strategy	= &sysctl_intvec,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= &xfs_params.symlink_mode.min,
 		.extra2		= &xfs_params.symlink_mode.max
 	},
 	{
-		.ctl_name	= XFS_PANIC_MASK,
 		.procname	= "panic_mask",
 		.data		= &xfs_params.panic_mask.val,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
-		.strategy	= &sysctl_intvec,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= &xfs_params.panic_mask.min,
 		.extra2		= &xfs_params.panic_mask.max
 	},
 
 	{
-		.ctl_name	= XFS_ERRLEVEL,
 		.procname	= "error_level",
 		.data		= &xfs_params.error_level.val,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
-		.strategy	= &sysctl_intvec,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= &xfs_params.error_level.min,
 		.extra2		= &xfs_params.error_level.max
 	},
 	{
-		.ctl_name	= XFS_SYNCD_TIMER,
 		.procname	= "xfssyncd_centisecs",
 		.data		= &xfs_params.syncd_timer.val,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
-		.strategy	= &sysctl_intvec,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= &xfs_params.syncd_timer.min,
 		.extra2		= &xfs_params.syncd_timer.max
 	},
 	{
-		.ctl_name	= XFS_INHERIT_SYNC,
 		.procname	= "inherit_sync",
 		.data		= &xfs_params.inherit_sync.val,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
-		.strategy	= &sysctl_intvec,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= &xfs_params.inherit_sync.min,
 		.extra2		= &xfs_params.inherit_sync.max
 	},
 	{
-		.ctl_name	= XFS_INHERIT_NODUMP,
 		.procname	= "inherit_nodump",
 		.data		= &xfs_params.inherit_nodump.val,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
-		.strategy	= &sysctl_intvec,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= &xfs_params.inherit_nodump.min,
 		.extra2		= &xfs_params.inherit_nodump.max
 	},
 	{
-		.ctl_name	= XFS_INHERIT_NOATIME,
 		.procname	= "inherit_noatime",
 		.data		= &xfs_params.inherit_noatim.val,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
-		.strategy	= &sysctl_intvec,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= &xfs_params.inherit_noatim.min,
 		.extra2		= &xfs_params.inherit_noatim.max
 	},
 	{
-		.ctl_name	= XFS_BUF_TIMER,
 		.procname	= "xfsbufd_centisecs",
 		.data		= &xfs_params.xfs_buf_timer.val,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
-		.strategy	= &sysctl_intvec,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= &xfs_params.xfs_buf_timer.min,
 		.extra2		= &xfs_params.xfs_buf_timer.max
 	},
 	{
-		.ctl_name	= XFS_BUF_AGE,
 		.procname	= "age_buffer_centisecs",
 		.data		= &xfs_params.xfs_buf_age.val,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
-		.strategy	= &sysctl_intvec,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= &xfs_params.xfs_buf_age.min,
 		.extra2		= &xfs_params.xfs_buf_age.max
 	},
 	{
-		.ctl_name	= XFS_INHERIT_NOSYM,
 		.procname	= "inherit_nosymlinks",
 		.data		= &xfs_params.inherit_nosym.val,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
-		.strategy	= &sysctl_intvec,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= &xfs_params.inherit_nosym.min,
 		.extra2		= &xfs_params.inherit_nosym.max
 	},
 	{
-		.ctl_name	= XFS_ROTORSTEP,
 		.procname	= "rotorstep",
 		.data		= &xfs_params.rotorstep.val,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
-		.strategy	= &sysctl_intvec,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= &xfs_params.rotorstep.min,
 		.extra2		= &xfs_params.rotorstep.max
 	},
 	{
-		.ctl_name	= XFS_INHERIT_NODFRG,
 		.procname	= "inherit_nodefrag",
 		.data		= &xfs_params.inherit_nodfrg.val,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &proc_dointvec_minmax,
-		.strategy	= &sysctl_intvec,
+		.proc_handler	= proc_dointvec_minmax,
 		.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,
+		.proc_handler	= proc_dointvec_minmax,
 		.extra1		= &xfs_params.fstrm_timer.min,
 		.extra2		= &xfs_params.fstrm_timer.max,
 	},
 	/* please keep this the last entry */
 #ifdef CONFIG_PROC_FS
 	{
-		.ctl_name	= XFS_STATS_CLEAR,
 		.procname	= "stats_clear",
 		.data		= &xfs_params.stats_clear.val,
 		.maxlen		= sizeof(int),
 		.mode		= 0644,
-		.proc_handler	= &xfs_stats_clear_proc_handler,
-		.strategy	= &sysctl_intvec,
+		.proc_handler	= xfs_stats_clear_proc_handler,
 		.extra1		= &xfs_params.stats_clear.min,
 		.extra2		= &xfs_params.stats_clear.max
 	},
@@ -229,7 +199,6 @@ static ctl_table xfs_table[] = {
 
 static ctl_table xfs_dir_table[] = {
 	{
-		.ctl_name	= FS_XFS,
 		.procname	= "xfs",
 		.mode		= 0555,
 		.child		= xfs_table
@@ -239,7 +208,6 @@ static ctl_table xfs_dir_table[] = {
 
 static ctl_table xfs_root_table[] = {
 	{
-		.ctl_name	= CTL_FS,
 		.procname	= "fs",
 		.mode		= 0555,
 		.child		= xfs_dir_table