Merge branch 'linus'

22 files changed, 871 insertions, 810 deletions

diff --git a/fs/xfs/linux-2.6/kmem.h b/fs/xfs/linux-2.6/kmem.h
index c64a29cdfff3..f0268a84e6fd 100644
--- a/fs/xfs/linux-2.6/kmem.h
+++ b/fs/xfs/linux-2.6/kmem.h
@@ -23,17 +23,8 @@
 #include <linux/mm.h>
 
 /*
- * memory management routines
+ * Process flags handling
  */
-#define KM_SLEEP	0x0001u
-#define KM_NOSLEEP	0x0002u
-#define KM_NOFS		0x0004u
-#define KM_MAYFAIL	0x0008u
-
-#define	kmem_zone	kmem_cache
-#define kmem_zone_t	struct kmem_cache
-
-typedef unsigned long xfs_pflags_t;
 
 #define PFLAGS_TEST_NOIO()              (current->flags & PF_NOIO)
 #define PFLAGS_TEST_FSTRANS()           (current->flags & PF_FSTRANS)
@@ -67,74 +58,102 @@ typedef unsigned long xfs_pflags_t;
 	*(NSTATEP) = *(OSTATEP);	\
 } while (0)
 
-static __inline gfp_t kmem_flags_convert(unsigned int __nocast flags)
+/*
+ * General memory allocation interfaces
+ */
+
+#define KM_SLEEP	0x0001u
+#define KM_NOSLEEP	0x0002u
+#define KM_NOFS		0x0004u
+#define KM_MAYFAIL	0x0008u
+
+/*
+ * We use a special process flag to avoid recursive callbacks into
+ * the filesystem during transactions.  We will also issue our own
+ * warnings, so we explicitly skip any generic ones (silly of us).
+ */
+static inline gfp_t
+kmem_flags_convert(unsigned int __nocast flags)
 {
-	gfp_t	lflags = __GFP_NOWARN;	/* we'll report problems, if need be */
+	gfp_t	lflags;
 
-#ifdef DEBUG
-	if (unlikely(flags & ~(KM_SLEEP|KM_NOSLEEP|KM_NOFS|KM_MAYFAIL))) {
-		printk(KERN_WARNING
-		    "XFS: memory allocation with wrong flags (%x)\n", flags);
-		BUG();
-	}
-#endif
+	BUG_ON(flags & ~(KM_SLEEP|KM_NOSLEEP|KM_NOFS|KM_MAYFAIL));
 
 	if (flags & KM_NOSLEEP) {
-		lflags |= GFP_ATOMIC;
+		lflags = GFP_ATOMIC | __GFP_NOWARN;
 	} else {
-		lflags |= GFP_KERNEL;
-
-		/* avoid recusive callbacks to filesystem during transactions */
+		lflags = GFP_KERNEL | __GFP_NOWARN;
 		if (PFLAGS_TEST_FSTRANS() || (flags & KM_NOFS))
 			lflags &= ~__GFP_FS;
 	}
-
-        return lflags;
+	return lflags;
 }
 
-static __inline kmem_zone_t *
+extern void *kmem_alloc(size_t, unsigned int __nocast);
+extern void *kmem_realloc(void *, size_t, size_t, unsigned int __nocast);
+extern void *kmem_zalloc(size_t, unsigned int __nocast);
+extern void  kmem_free(void *, size_t);
+
+/*
+ * Zone interfaces
+ */
+
+#define KM_ZONE_HWALIGN	SLAB_HWCACHE_ALIGN
+#define KM_ZONE_RECLAIM	SLAB_RECLAIM_ACCOUNT
+#define KM_ZONE_SPREAD	0
+
+#define kmem_zone	kmem_cache
+#define kmem_zone_t	struct kmem_cache
+
+static inline kmem_zone_t *
 kmem_zone_init(int size, char *zone_name)
 {
 	return kmem_cache_create(zone_name, size, 0, 0, NULL, NULL);
 }
 
-static __inline void
+static inline kmem_zone_t *
+kmem_zone_init_flags(int size, char *zone_name, unsigned long flags,
+		     void (*construct)(void *, kmem_zone_t *, unsigned long))
+{
+	return kmem_cache_create(zone_name, size, 0, flags, construct, NULL);
+}
+
+static inline void
 kmem_zone_free(kmem_zone_t *zone, void *ptr)
 {
 	kmem_cache_free(zone, ptr);
 }
 
-static __inline void
+static inline void
 kmem_zone_destroy(kmem_zone_t *zone)
 {
 	if (zone && kmem_cache_destroy(zone))
 		BUG();
 }
 
-extern void *kmem_zone_zalloc(kmem_zone_t *, unsigned int __nocast);
 extern void *kmem_zone_alloc(kmem_zone_t *, unsigned int __nocast);
+extern void *kmem_zone_zalloc(kmem_zone_t *, unsigned int __nocast);
 
-extern void *kmem_alloc(size_t, unsigned int __nocast);
-extern void *kmem_realloc(void *, size_t, size_t, unsigned int __nocast);
-extern void *kmem_zalloc(size_t, unsigned int __nocast);
-extern void  kmem_free(void *, size_t);
+/*
+ * Low memory cache shrinkers
+ */
 
 typedef struct shrinker *kmem_shaker_t;
 typedef int (*kmem_shake_func_t)(int, gfp_t);
 
-static __inline kmem_shaker_t
+static inline kmem_shaker_t
 kmem_shake_register(kmem_shake_func_t sfunc)
 {
 	return set_shrinker(DEFAULT_SEEKS, sfunc);
 }
 
-static __inline void
+static inline void
 kmem_shake_deregister(kmem_shaker_t shrinker)
 {
 	remove_shrinker(shrinker);
 }
 
-static __inline int
+static inline int
 kmem_shake_allow(gfp_t gfp_mask)
 {
 	return (gfp_mask & __GFP_WAIT);
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index 74d8be87f983..97fc056130eb 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -43,7 +43,29 @@
 #include <linux/pagevec.h>
 #include <linux/writeback.h>
 
-STATIC void xfs_count_page_state(struct page *, int *, int *, int *);
+STATIC void
+xfs_count_page_state(
+	struct page		*page,
+	int			*delalloc,
+	int			*unmapped,
+	int			*unwritten)
+{
+	struct buffer_head	*bh, *head;
+
+	*delalloc = *unmapped = *unwritten = 0;
+
+	bh = head = page_buffers(page);
+	do {
+		if (buffer_uptodate(bh) && !buffer_mapped(bh))
+			(*unmapped) = 1;
+		else if (buffer_unwritten(bh) && !buffer_delay(bh))
+			clear_buffer_unwritten(bh);
+		else if (buffer_unwritten(bh))
+			(*unwritten) = 1;
+		else if (buffer_delay(bh))
+			(*delalloc) = 1;
+	} while ((bh = bh->b_this_page) != head);
+}
 
 #if defined(XFS_RW_TRACE)
 void
@@ -54,7 +76,7 @@ xfs_page_trace(
 	int		mask)
 {
 	xfs_inode_t	*ip;
-	vnode_t		*vp = LINVFS_GET_VP(inode);
+	vnode_t		*vp = vn_from_inode(inode);
 	loff_t		isize = i_size_read(inode);
 	loff_t		offset = page_offset(page);
 	int		delalloc = -1, unmapped = -1, unwritten = -1;
@@ -81,7 +103,7 @@ xfs_page_trace(
 		(void *)((unsigned long)delalloc),
 		(void *)((unsigned long)unmapped),
 		(void *)((unsigned long)unwritten),
-		(void *)NULL,
+		(void *)((unsigned long)current_pid()),
 		(void *)NULL);
 }
 #else
@@ -192,7 +214,7 @@ xfs_alloc_ioend(
 	ioend->io_uptodate = 1; /* cleared if any I/O fails */
 	ioend->io_list = NULL;
 	ioend->io_type = type;
-	ioend->io_vnode = LINVFS_GET_VP(inode);
+	ioend->io_vnode = vn_from_inode(inode);
 	ioend->io_buffer_head = NULL;
 	ioend->io_buffer_tail = NULL;
 	atomic_inc(&ioend->io_vnode->v_iocount);
@@ -217,7 +239,7 @@ xfs_map_blocks(
 	xfs_iomap_t		*mapp,
 	int			flags)
 {
-	vnode_t			*vp = LINVFS_GET_VP(inode);
+	vnode_t			*vp = vn_from_inode(inode);
 	int			error, nmaps = 1;
 
 	VOP_BMAP(vp, offset, count, flags, mapp, &nmaps, error);
@@ -462,28 +484,37 @@ xfs_add_to_ioend(
 }
 
 STATIC void
+xfs_map_buffer(
+	struct buffer_head	*bh,
+	xfs_iomap_t		*mp,
+	xfs_off_t		offset,
+	uint			block_bits)
+{
+	sector_t		bn;
+
+	ASSERT(mp->iomap_bn != IOMAP_DADDR_NULL);
+
+	bn = (mp->iomap_bn >> (block_bits - BBSHIFT)) +
+	      ((offset - mp->iomap_offset) >> block_bits);
+
+	ASSERT(bn || (mp->iomap_flags & IOMAP_REALTIME));
+
+	bh->b_blocknr = bn;
+	set_buffer_mapped(bh);
+}
+
+STATIC void
 xfs_map_at_offset(
 	struct buffer_head	*bh,
 	loff_t			offset,
 	int			block_bits,
 	xfs_iomap_t		*iomapp)
 {
-	xfs_daddr_t		bn;
-	int			sector_shift;
-
 	ASSERT(!(iomapp->iomap_flags & IOMAP_HOLE));
 	ASSERT(!(iomapp->iomap_flags & IOMAP_DELAY));
-	ASSERT(iomapp->iomap_bn != IOMAP_DADDR_NULL);
-
-	sector_shift = block_bits - BBSHIFT;
-	bn = (iomapp->iomap_bn >> sector_shift) +
-	      ((offset - iomapp->iomap_offset) >> block_bits);
-
-	ASSERT(bn || (iomapp->iomap_flags & IOMAP_REALTIME));
-	ASSERT((bn << sector_shift) >= iomapp->iomap_bn);
 
 	lock_buffer(bh);
-	bh->b_blocknr = bn;
+	xfs_map_buffer(bh, iomapp, offset, block_bits);
 	bh->b_bdev = iomapp->iomap_target->bt_bdev;
 	set_buffer_mapped(bh);
 	clear_buffer_delay(bh);
@@ -616,7 +647,7 @@ xfs_is_delayed_page(
 				acceptable = (type == IOMAP_UNWRITTEN);
 			else if (buffer_delay(bh))
 				acceptable = (type == IOMAP_DELAY);
-			else if (buffer_mapped(bh))
+			else if (buffer_dirty(bh) && buffer_mapped(bh))
 				acceptable = (type == 0);
 			else
 				break;
@@ -1040,8 +1071,159 @@ error:
 	return err;
 }
 
+/*
+ * writepage: Called from one of two places:
+ *
+ * 1. we are flushing a delalloc buffer head.
+ *
+ * 2. we are writing out a dirty page. Typically the page dirty
+ *    state is cleared before we get here. In this case is it
+ *    conceivable we have no buffer heads.
+ *
+ * For delalloc space on the page we need to allocate space and
+ * flush it. For unmapped buffer heads on the page we should
+ * allocate space if the page is uptodate. For any other dirty
+ * buffer heads on the page we should flush them.
+ *
+ * If we detect that a transaction would be required to flush
+ * the page, we have to check the process flags first, if we
+ * are already in a transaction or disk I/O during allocations
+ * is off, we need to fail the writepage and redirty the page.
+ */
+
+STATIC int
+xfs_vm_writepage(
+	struct page		*page,
+	struct writeback_control *wbc)
+{
+	int			error;
+	int			need_trans;
+	int			delalloc, unmapped, unwritten;
+	struct inode		*inode = page->mapping->host;
+
+	xfs_page_trace(XFS_WRITEPAGE_ENTER, inode, page, 0);
+
+	/*
+	 * We need a transaction if:
+	 *  1. There are delalloc buffers on the page
+	 *  2. The page is uptodate and we have unmapped buffers
+	 *  3. The page is uptodate and we have no buffers
+	 *  4. There are unwritten buffers on the page
+	 */
+
+	if (!page_has_buffers(page)) {
+		unmapped = 1;
+		need_trans = 1;
+	} else {
+		xfs_count_page_state(page, &delalloc, &unmapped, &unwritten);
+		if (!PageUptodate(page))
+			unmapped = 0;
+		need_trans = delalloc + unmapped + unwritten;
+	}
+
+	/*
+	 * If we need a transaction and the process flags say
+	 * we are already in a transaction, or no IO is allowed
+	 * then mark the page dirty again and leave the page
+	 * as is.
+	 */
+	if (PFLAGS_TEST_FSTRANS() && need_trans)
+		goto out_fail;
+
+	/*
+	 * Delay hooking up buffer heads until we have
+	 * made our go/no-go decision.
+	 */
+	if (!page_has_buffers(page))
+		create_empty_buffers(page, 1 << inode->i_blkbits, 0);
+
+	/*
+	 * Convert delayed allocate, unwritten or unmapped space
+	 * to real space and flush out to disk.
+	 */
+	error = xfs_page_state_convert(inode, page, wbc, 1, unmapped);
+	if (error == -EAGAIN)
+		goto out_fail;
+	if (unlikely(error < 0))
+		goto out_unlock;
+
+	return 0;
+
+out_fail:
+	redirty_page_for_writepage(wbc, page);
+	unlock_page(page);
+	return 0;
+out_unlock:
+	unlock_page(page);
+	return error;
+}
+
+/*
+ * Called to move a page into cleanable state - and from there
+ * to be released. Possibly the page is already clean. We always
+ * have buffer heads in this call.
+ *
+ * Returns 0 if the page is ok to release, 1 otherwise.
+ *
+ * Possible scenarios are:
+ *
+ * 1. We are being called to release a page which has been written
+ *    to via regular I/O. buffer heads will be dirty and possibly
+ *    delalloc. If no delalloc buffer heads in this case then we
+ *    can just return zero.
+ *
+ * 2. We are called to release a page which has been written via
+ *    mmap, all we need to do is ensure there is no delalloc
+ *    state in the buffer heads, if not we can let the caller
+ *    free them and we should come back later via writepage.
+ */
 STATIC int
-__linvfs_get_block(
+xfs_vm_releasepage(
+	struct page		*page,
+	gfp_t			gfp_mask)
+{
+	struct inode		*inode = page->mapping->host;
+	int			dirty, delalloc, unmapped, unwritten;
+	struct writeback_control wbc = {
+		.sync_mode = WB_SYNC_ALL,
+		.nr_to_write = 1,
+	};
+
+	xfs_page_trace(XFS_RELEASEPAGE_ENTER, inode, page, gfp_mask);
+
+	if (!page_has_buffers(page))
+		return 0;
+
+	xfs_count_page_state(page, &delalloc, &unmapped, &unwritten);
+	if (!delalloc && !unwritten)
+		goto free_buffers;
+
+	if (!(gfp_mask & __GFP_FS))
+		return 0;
+
+	/* If we are already inside a transaction or the thread cannot
+	 * do I/O, we cannot release this page.
+	 */
+	if (PFLAGS_TEST_FSTRANS())
+		return 0;
+
+	/*
+	 * Convert delalloc space to real space, do not flush the
+	 * data out to disk, that will be done by the caller.
+	 * Never need to allocate space here - we will always
+	 * come back to writepage in that case.
+	 */
+	dirty = xfs_page_state_convert(inode, page, &wbc, 0, 0);
+	if (dirty == 0 && !unwritten)
+		goto free_buffers;
+	return 0;
+
+free_buffers:
+	return try_to_free_buffers(page);
+}
+
+STATIC int
+__xfs_get_block(
 	struct inode		*inode,
 	sector_t		iblock,
 	unsigned long		blocks,
@@ -1050,7 +1232,7 @@ __linvfs_get_block(
 	int			direct,
 	bmapi_flags_t		flags)
 {
-	vnode_t			*vp = LINVFS_GET_VP(inode);
+	vnode_t			*vp = vn_from_inode(inode);
 	xfs_iomap_t		iomap;
 	xfs_off_t		offset;
 	ssize_t			size;
@@ -1073,21 +1255,13 @@ __linvfs_get_block(
 		return 0;
 
 	if (iomap.iomap_bn != IOMAP_DADDR_NULL) {
-		xfs_daddr_t	bn;
-		xfs_off_t	delta;
-
-		/* For unwritten extents do not report a disk address on
+		/*
+		 * For unwritten extents do not report a disk address on
 		 * the read case (treat as if we're reading into a hole).
 		 */
 		if (create || !(iomap.iomap_flags & IOMAP_UNWRITTEN)) {
-			delta = offset - iomap.iomap_offset;
-			delta >>= inode->i_blkbits;
-
-			bn = iomap.iomap_bn >> (inode->i_blkbits - BBSHIFT);
-			bn += delta;
-			BUG_ON(!bn && !(iomap.iomap_flags & IOMAP_REALTIME));
-			bh_result->b_blocknr = bn;
-			set_buffer_mapped(bh_result);
+			xfs_map_buffer(bh_result, &iomap, offset,
+				       inode->i_blkbits);
 		}
 		if (create && (iomap.iomap_flags & IOMAP_UNWRITTEN)) {
 			if (direct)
@@ -1130,30 +1304,30 @@ __linvfs_get_block(
 }
 
 int
-linvfs_get_block(
+xfs_get_block(
 	struct inode		*inode,
 	sector_t		iblock,
 	struct buffer_head	*bh_result,
 	int			create)
 {
-	return __linvfs_get_block(inode, iblock, 0, bh_result,
+	return __xfs_get_block(inode, iblock, 0, bh_result,
 					create, 0, BMAPI_WRITE);
 }
 
 STATIC int
-linvfs_get_blocks_direct(
+xfs_get_blocks_direct(
 	struct inode		*inode,
 	sector_t		iblock,
 	unsigned long		max_blocks,
 	struct buffer_head	*bh_result,
 	int			create)
 {
-	return __linvfs_get_block(inode, iblock, max_blocks, bh_result,
+	return __xfs_get_block(inode, iblock, max_blocks, bh_result,
 					create, 1, BMAPI_WRITE|BMAPI_DIRECT);
 }
 
 STATIC void
-linvfs_end_io_direct(
+xfs_end_io_direct(
 	struct kiocb	*iocb,
 	loff_t		offset,
 	ssize_t		size,
@@ -1191,7 +1365,7 @@ linvfs_end_io_direct(
 }
 
 STATIC ssize_t
-linvfs_direct_IO(
+xfs_vm_direct_IO(
 	int			rw,
 	struct kiocb		*iocb,
 	const struct iovec	*iov,
@@ -1200,7 +1374,7 @@ linvfs_direct_IO(
 {
 	struct file	*file = iocb->ki_filp;
 	struct inode	*inode = file->f_mapping->host;
-	vnode_t		*vp = LINVFS_GET_VP(inode);
+	vnode_t		*vp = vn_from_inode(inode);
 	xfs_iomap_t	iomap;
 	int		maps = 1;
 	int		error;
@@ -1215,164 +1389,61 @@ linvfs_direct_IO(
 	ret = blockdev_direct_IO_own_locking(rw, iocb, inode,
 		iomap.iomap_target->bt_bdev,
 		iov, offset, nr_segs,
-		linvfs_get_blocks_direct,
-		linvfs_end_io_direct);
+		xfs_get_blocks_direct,
+		xfs_end_io_direct);
 
 	if (unlikely(ret <= 0 && iocb->private))
 		xfs_destroy_ioend(iocb->private);
 	return ret;
 }
 
+STATIC int
+xfs_vm_prepare_write(
+	struct file		*file,
+	struct page		*page,
+	unsigned int		from,
+	unsigned int		to)
+{
+	return block_prepare_write(page, from, to, xfs_get_block);
+}
 
 STATIC sector_t
-linvfs_bmap(
+xfs_vm_bmap(
 	struct address_space	*mapping,
 	sector_t		block)
 {
 	struct inode		*inode = (struct inode *)mapping->host;
-	vnode_t			*vp = LINVFS_GET_VP(inode);
+	vnode_t			*vp = vn_from_inode(inode);
 	int			error;
 
-	vn_trace_entry(vp, "linvfs_bmap", (inst_t *)__return_address);
+	vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
 
 	VOP_RWLOCK(vp, VRWLOCK_READ);
 	VOP_FLUSH_PAGES(vp, (xfs_off_t)0, -1, 0, FI_REMAPF, error);
 	VOP_RWUNLOCK(vp, VRWLOCK_READ);
-	return generic_block_bmap(mapping, block, linvfs_get_block);
+	return generic_block_bmap(mapping, block, xfs_get_block);
 }
 
 STATIC int
-linvfs_readpage(
+xfs_vm_readpage(
 	struct file		*unused,
 	struct page		*page)
 {
-	return mpage_readpage(page, linvfs_get_block);
+	return mpage_readpage(page, xfs_get_block);
 }
 
 STATIC int
-linvfs_readpages(
+xfs_vm_readpages(
 	struct file		*unused,
 	struct address_space	*mapping,
 	struct list_head	*pages,
 	unsigned		nr_pages)
 {
-	return mpage_readpages(mapping, pages, nr_pages, linvfs_get_block);
-}
-
-STATIC void
-xfs_count_page_state(
-	struct page		*page,
-	int			*delalloc,
-	int			*unmapped,
-	int			*unwritten)
-{
-	struct buffer_head	*bh, *head;
-
-	*delalloc = *unmapped = *unwritten = 0;
-
-	bh = head = page_buffers(page);
-	do {
-		if (buffer_uptodate(bh) && !buffer_mapped(bh))
-			(*unmapped) = 1;
-		else if (buffer_unwritten(bh) && !buffer_delay(bh))
-			clear_buffer_unwritten(bh);
-		else if (buffer_unwritten(bh))
-			(*unwritten) = 1;
-		else if (buffer_delay(bh))
-			(*delalloc) = 1;
-	} while ((bh = bh->b_this_page) != head);
+	return mpage_readpages(mapping, pages, nr_pages, xfs_get_block);
 }
 
-
-/*
- * writepage: Called from one of two places:
- *
- * 1. we are flushing a delalloc buffer head.
- *
- * 2. we are writing out a dirty page. Typically the page dirty
- *    state is cleared before we get here. In this case is it
- *    conceivable we have no buffer heads.
- *
- * For delalloc space on the page we need to allocate space and
- * flush it. For unmapped buffer heads on the page we should
- * allocate space if the page is uptodate. For any other dirty
- * buffer heads on the page we should flush them.
- *
- * If we detect that a transaction would be required to flush
- * the page, we have to check the process flags first, if we
- * are already in a transaction or disk I/O during allocations
- * is off, we need to fail the writepage and redirty the page.
- */
-
 STATIC int
-linvfs_writepage(
-	struct page		*page,
-	struct writeback_control *wbc)
-{
-	int			error;
-	int			need_trans;
-	int			delalloc, unmapped, unwritten;
-	struct inode		*inode = page->mapping->host;
-
-	xfs_page_trace(XFS_WRITEPAGE_ENTER, inode, page, 0);
-
-	/*
-	 * We need a transaction if:
-	 *  1. There are delalloc buffers on the page
-	 *  2. The page is uptodate and we have unmapped buffers
-	 *  3. The page is uptodate and we have no buffers
-	 *  4. There are unwritten buffers on the page
-	 */
-
-	if (!page_has_buffers(page)) {
-		unmapped = 1;
-		need_trans = 1;
-	} else {
-		xfs_count_page_state(page, &delalloc, &unmapped, &unwritten);
-		if (!PageUptodate(page))
-			unmapped = 0;
-		need_trans = delalloc + unmapped + unwritten;
-	}
-
-	/*
-	 * If we need a transaction and the process flags say
-	 * we are already in a transaction, or no IO is allowed
-	 * then mark the page dirty again and leave the page
-	 * as is.
-	 */
-	if (PFLAGS_TEST_FSTRANS() && need_trans)
-		goto out_fail;
-
-	/*
-	 * Delay hooking up buffer heads until we have
-	 * made our go/no-go decision.
-	 */
-	if (!page_has_buffers(page))
-		create_empty_buffers(page, 1 << inode->i_blkbits, 0);
-
-	/*
-	 * Convert delayed allocate, unwritten or unmapped space
-	 * to real space and flush out to disk.
-	 */
-	error = xfs_page_state_convert(inode, page, wbc, 1, unmapped);
-	if (error == -EAGAIN)
-		goto out_fail;
-	if (unlikely(error < 0))
-		goto out_unlock;
-
-	return 0;
-
-out_fail:
-	redirty_page_for_writepage(wbc, page);
-	unlock_page(page);
-	return 0;
-out_unlock:
-	unlock_page(page);
-	return error;
-}
-
-STATIC int
-linvfs_invalidate_page(
+xfs_vm_invalidatepage(
 	struct page		*page,
 	unsigned long		offset)
 {
@@ -1381,87 +1452,16 @@ linvfs_invalidate_page(
 	return block_invalidatepage(page, offset);
 }
 
-/*
- * Called to move a page into cleanable state - and from there
- * to be released. Possibly the page is already clean. We always
- * have buffer heads in this call.
- *
- * Returns 0 if the page is ok to release, 1 otherwise.
- *
- * Possible scenarios are:
- *
- * 1. We are being called to release a page which has been written
- *    to via regular I/O. buffer heads will be dirty and possibly
- *    delalloc. If no delalloc buffer heads in this case then we
- *    can just return zero.
- *
- * 2. We are called to release a page which has been written via
- *    mmap, all we need to do is ensure there is no delalloc
- *    state in the buffer heads, if not we can let the caller
- *    free them and we should come back later via writepage.
- */
-STATIC int
-linvfs_release_page(
-	struct page		*page,
-	gfp_t			gfp_mask)
-{
-	struct inode		*inode = page->mapping->host;
-	int			dirty, delalloc, unmapped, unwritten;
-	struct writeback_control wbc = {
-		.sync_mode = WB_SYNC_ALL,
-		.nr_to_write = 1,
-	};
-
-	xfs_page_trace(XFS_RELEASEPAGE_ENTER, inode, page, gfp_mask);
-
-	xfs_count_page_state(page, &delalloc, &unmapped, &unwritten);
-	if (!delalloc && !unwritten)
-		goto free_buffers;
-
-	if (!(gfp_mask & __GFP_FS))
-		return 0;
-
-	/* If we are already inside a transaction or the thread cannot
-	 * do I/O, we cannot release this page.
-	 */
-	if (PFLAGS_TEST_FSTRANS())
-		return 0;
-
-	/*
-	 * Convert delalloc space to real space, do not flush the
-	 * data out to disk, that will be done by the caller.
-	 * Never need to allocate space here - we will always
-	 * come back to writepage in that case.
-	 */
-	dirty = xfs_page_state_convert(inode, page, &wbc, 0, 0);
-	if (dirty == 0 && !unwritten)
-		goto free_buffers;
-	return 0;
-
-free_buffers:
-	return try_to_free_buffers(page);
-}
-
-STATIC int
-linvfs_prepare_write(
-	struct file		*file,
-	struct page		*page,
-	unsigned int		from,
-	unsigned int		to)
-{
-	return block_prepare_write(page, from, to, linvfs_get_block);
-}
-
-struct address_space_operations linvfs_aops = {
-	.readpage		= linvfs_readpage,
-	.readpages		= linvfs_readpages,
-	.writepage		= linvfs_writepage,
+struct address_space_operations xfs_address_space_operations = {
+	.readpage		= xfs_vm_readpage,
+	.readpages		= xfs_vm_readpages,
+	.writepage		= xfs_vm_writepage,
 	.sync_page		= block_sync_page,
-	.releasepage		= linvfs_release_page,
-	.invalidatepage		= linvfs_invalidate_page,
-	.prepare_write		= linvfs_prepare_write,
+	.releasepage		= xfs_vm_releasepage,
+	.invalidatepage		= xfs_vm_invalidatepage,
+	.prepare_write		= xfs_vm_prepare_write,
 	.commit_write		= generic_commit_write,
-	.bmap			= linvfs_bmap,
-	.direct_IO		= linvfs_direct_IO,
+	.bmap			= xfs_vm_bmap,
+	.direct_IO		= xfs_vm_direct_IO,
 	.migratepage		= buffer_migrate_page,
 };
diff --git a/fs/xfs/linux-2.6/xfs_aops.h b/fs/xfs/linux-2.6/xfs_aops.h
index 55339dd5a30d..795699f121d2 100644
--- a/fs/xfs/linux-2.6/xfs_aops.h
+++ b/fs/xfs/linux-2.6/xfs_aops.h
@@ -40,7 +40,7 @@ typedef struct xfs_ioend {
 	struct work_struct	io_work;	/* xfsdatad work queue */
 } xfs_ioend_t;
 
-extern struct address_space_operations linvfs_aops;
-extern int linvfs_get_block(struct inode *, sector_t, struct buffer_head *, int);
+extern struct address_space_operations xfs_address_space_operations;
+extern int xfs_get_block(struct inode *, sector_t, struct buffer_head *, int);
 
 #endif /* __XFS_IOPS_H__ */
diff --git a/fs/xfs/linux-2.6/xfs_buf.c b/fs/xfs/linux-2.6/xfs_buf.c
index bfb4f2917bb6..9fb0312665ca 100644
--- a/fs/xfs/linux-2.6/xfs_buf.c
+++ b/fs/xfs/linux-2.6/xfs_buf.c
@@ -29,6 +29,7 @@
 #include <linux/blkdev.h>
 #include <linux/hash.h>
 #include <linux/kthread.h>
+#include <linux/migrate.h>
 #include "xfs_linux.h"
 
 STATIC kmem_zone_t *xfs_buf_zone;
@@ -1805,13 +1806,12 @@ xfs_flush_buftarg(
 int __init
 xfs_buf_init(void)
 {
-	int		error = -ENOMEM;
-
 #ifdef XFS_BUF_TRACE
 	xfs_buf_trace_buf = ktrace_alloc(XFS_BUF_TRACE_SIZE, KM_SLEEP);
 #endif
 
-	xfs_buf_zone = kmem_zone_init(sizeof(xfs_buf_t), "xfs_buf");
+	xfs_buf_zone = kmem_zone_init_flags(sizeof(xfs_buf_t), "xfs_buf",
+						KM_ZONE_HWALIGN, NULL);
 	if (!xfs_buf_zone)
 		goto out_free_trace_buf;
 
@@ -1839,7 +1839,7 @@ xfs_buf_init(void)
 #ifdef XFS_BUF_TRACE
 	ktrace_free(xfs_buf_trace_buf);
 #endif
-	return error;
+	return -ENOMEM;
 }
 
 void
diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c
index 80eb249f2fa0..b768ea910bbe 100644
--- a/fs/xfs/linux-2.6/xfs_export.c
+++ b/fs/xfs/linux-2.6/xfs_export.c
@@ -25,6 +25,8 @@
 #include "xfs_mount.h"
 #include "xfs_export.h"
 
+STATIC struct dentry dotdot = { .d_name.name = "..", .d_name.len = 2, };
+
 /*
  * XFS encodes and decodes the fileid portion of NFS filehandles
  * itself instead of letting the generic NFS code do it.  This
@@ -37,7 +39,7 @@
  */
 
 STATIC struct dentry *
-linvfs_decode_fh(
+xfs_fs_decode_fh(
 	struct super_block	*sb,
 	__u32			*fh,
 	int			fh_len,
@@ -78,12 +80,12 @@ linvfs_decode_fh(
 	}
 
 	fh = (__u32 *)&ifid;
-	return find_exported_dentry(sb, fh, parent, acceptable, context);
+	return sb->s_export_op->find_exported_dentry(sb, fh, parent, acceptable, context);
 }
 
 
 STATIC int
-linvfs_encode_fh(
+xfs_fs_encode_fh(
 	struct dentry		*dentry,
 	__u32			*fh,
 	int			*max_len,
@@ -95,7 +97,7 @@ linvfs_encode_fh(
 	int			len;
 	int			is64 = 0;
 #if XFS_BIG_INUMS
-	vfs_t			*vfs = LINVFS_GET_VFS(inode->i_sb);
+	vfs_t			*vfs = vfs_from_sb(inode->i_sb);
 
 	if (!(vfs->vfs_flag & VFS_32BITINODES)) {
 		/* filesystem may contain 64bit inode numbers */
@@ -130,21 +132,21 @@ linvfs_encode_fh(
 }
 
 STATIC struct dentry *
-linvfs_get_dentry(
+xfs_fs_get_dentry(
 	struct super_block	*sb,
 	void			*data)
 {
 	vnode_t			*vp;
 	struct inode		*inode;
 	struct dentry		*result;
-	vfs_t			*vfsp = LINVFS_GET_VFS(sb);
+	vfs_t			*vfsp = vfs_from_sb(sb);
 	int			error;
 
 	VFS_VGET(vfsp, &vp, (fid_t *)data, error);
 	if (error || vp == NULL)
 		return ERR_PTR(-ESTALE) ;
 
-	inode = LINVFS_GET_IP(vp);
+	inode = vn_to_inode(vp);
 	result = d_alloc_anon(inode);
         if (!result) {
 		iput(inode);
@@ -154,25 +156,20 @@ linvfs_get_dentry(
 }
 
 STATIC struct dentry *
-linvfs_get_parent(
+xfs_fs_get_parent(
 	struct dentry		*child)
 {
 	int			error;
 	vnode_t			*vp, *cvp;
 	struct dentry		*parent;
-	struct dentry		dotdot;
-
-	dotdot.d_name.name = "..";
-	dotdot.d_name.len = 2;
-	dotdot.d_inode = NULL;
 
 	cvp = NULL;
-	vp = LINVFS_GET_VP(child->d_inode);
+	vp = vn_from_inode(child->d_inode);
 	VOP_LOOKUP(vp, &dotdot, &cvp, 0, NULL, NULL, error);
 	if (unlikely(error))
 		return ERR_PTR(-error);
 
-	parent = d_alloc_anon(LINVFS_GET_IP(cvp));
+	parent = d_alloc_anon(vn_to_inode(cvp));
 	if (unlikely(!parent)) {
 		VN_RELE(cvp);
 		return ERR_PTR(-ENOMEM);
@@ -180,9 +177,9 @@ linvfs_get_parent(
 	return parent;
 }
 
-struct export_operations linvfs_export_ops = {
-	.decode_fh		= linvfs_decode_fh,
-	.encode_fh		= linvfs_encode_fh,
-	.get_parent		= linvfs_get_parent,
-	.get_dentry		= linvfs_get_dentry,
+struct export_operations xfs_export_operations = {
+	.decode_fh		= xfs_fs_decode_fh,
+	.encode_fh		= xfs_fs_encode_fh,
+	.get_parent		= xfs_fs_get_parent,
+	.get_dentry		= xfs_fs_get_dentry,
 };
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index ced4404339c7..185567a6a561 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -43,13 +43,13 @@
 #include <linux/dcache.h>
 #include <linux/smp_lock.h>
 
-static struct vm_operations_struct linvfs_file_vm_ops;
+static struct vm_operations_struct xfs_file_vm_ops;
 #ifdef CONFIG_XFS_DMAPI
-static struct vm_operations_struct linvfs_dmapi_file_vm_ops;
+static struct vm_operations_struct xfs_dmapi_file_vm_ops;
 #endif
 
 STATIC inline ssize_t
-__linvfs_read(
+__xfs_file_read(
 	struct kiocb		*iocb,
 	char			__user *buf,
 	int			ioflags,
@@ -58,7 +58,7 @@ __linvfs_read(
 {
 	struct iovec		iov = {buf, count};
 	struct file		*file = iocb->ki_filp;
-	vnode_t			*vp = LINVFS_GET_VP(file->f_dentry->d_inode);
+	vnode_t			*vp = vn_from_inode(file->f_dentry->d_inode);
 	ssize_t			rval;
 
 	BUG_ON(iocb->ki_pos != pos);
@@ -71,28 +71,28 @@ __linvfs_read(
 
 
 STATIC ssize_t
-linvfs_aio_read(
+xfs_file_aio_read(
 	struct kiocb		*iocb,
 	char			__user *buf,
 	size_t			count,
 	loff_t			pos)
 {
-	return __linvfs_read(iocb, buf, IO_ISAIO, count, pos);
+	return __xfs_file_read(iocb, buf, IO_ISAIO, count, pos);
 }
 
 STATIC ssize_t
-linvfs_aio_read_invis(
+xfs_file_aio_read_invis(
 	struct kiocb		*iocb,
 	char			__user *buf,
 	size_t			count,
 	loff_t			pos)
 {
-	return __linvfs_read(iocb, buf, IO_ISAIO|IO_INVIS, count, pos);
+	return __xfs_file_read(iocb, buf, IO_ISAIO|IO_INVIS, count, pos);
 }
 
 
 STATIC inline ssize_t
-__linvfs_write(
+__xfs_file_write(
 	struct kiocb	*iocb,
 	const char	__user *buf,
 	int		ioflags,
@@ -102,7 +102,7 @@ __linvfs_write(
 	struct iovec	iov = {(void __user *)buf, count};
 	struct file	*file = iocb->ki_filp;
 	struct inode	*inode = file->f_mapping->host;
-	vnode_t		*vp = LINVFS_GET_VP(inode);
+	vnode_t		*vp = vn_from_inode(inode);
 	ssize_t		rval;
 
 	BUG_ON(iocb->ki_pos != pos);
@@ -115,28 +115,28 @@ __linvfs_write(
 
 
 STATIC ssize_t
-linvfs_aio_write(
+xfs_file_aio_write(
 	struct kiocb		*iocb,
 	const char		__user *buf,
 	size_t			count,
 	loff_t			pos)
 {
-	return __linvfs_write(iocb, buf, IO_ISAIO, count, pos);
+	return __xfs_file_write(iocb, buf, IO_ISAIO, count, pos);
 }
 
 STATIC ssize_t
-linvfs_aio_write_invis(
+xfs_file_aio_write_invis(
 	struct kiocb		*iocb,
 	const char		__user *buf,
 	size_t			count,
 	loff_t			pos)
 {
-	return __linvfs_write(iocb, buf, IO_ISAIO|IO_INVIS, count, pos);
+	return __xfs_file_write(iocb, buf, IO_ISAIO|IO_INVIS, count, pos);
 }
 
 
 STATIC inline ssize_t
-__linvfs_readv(
+__xfs_file_readv(
 	struct file		*file,
 	const struct iovec 	*iov,
 	int			ioflags,
@@ -144,8 +144,8 @@ __linvfs_readv(
 	loff_t			*ppos)
 {
 	struct inode	*inode = file->f_mapping->host;
-	vnode_t		*vp = LINVFS_GET_VP(inode);
-	struct		kiocb kiocb;
+	vnode_t		*vp = vn_from_inode(inode);
+	struct kiocb	kiocb;
 	ssize_t		rval;
 
 	init_sync_kiocb(&kiocb, file);
@@ -160,28 +160,28 @@ __linvfs_readv(
 }
 
 STATIC ssize_t
-linvfs_readv(
+xfs_file_readv(
 	struct file		*file,
 	const struct iovec 	*iov,
 	unsigned long		nr_segs,
 	loff_t			*ppos)
 {
-	return __linvfs_readv(file, iov, 0, nr_segs, ppos);
+	return __xfs_file_readv(file, iov, 0, nr_segs, ppos);
 }
 
 STATIC ssize_t
-linvfs_readv_invis(
+xfs_file_readv_invis(
 	struct file		*file,
 	const struct iovec 	*iov,
 	unsigned long		nr_segs,
 	loff_t			*ppos)
 {
-	return __linvfs_readv(file, iov, IO_INVIS, nr_segs, ppos);
+	return __xfs_file_readv(file, iov, IO_INVIS, nr_segs, ppos);
 }
 
 
 STATIC inline ssize_t
-__linvfs_writev(
+__xfs_file_writev(
 	struct file		*file,
 	const struct iovec 	*iov,
 	int			ioflags,
@@ -189,8 +189,8 @@ __linvfs_writev(
 	loff_t			*ppos)
 {
 	struct inode	*inode = file->f_mapping->host;
-	vnode_t		*vp = LINVFS_GET_VP(inode);
-	struct		kiocb kiocb;
+	vnode_t		*vp = vn_from_inode(inode);
+	struct kiocb	kiocb;
 	ssize_t		rval;
 
 	init_sync_kiocb(&kiocb, file);
@@ -206,34 +206,34 @@ __linvfs_writev(
 
 
 STATIC ssize_t
-linvfs_writev(
+xfs_file_writev(
 	struct file		*file,
 	const struct iovec 	*iov,
 	unsigned long		nr_segs,
 	loff_t			*ppos)
 {
-	return __linvfs_writev(file, iov, 0, nr_segs, ppos);
+	return __xfs_file_writev(file, iov, 0, nr_segs, ppos);
 }
 
 STATIC ssize_t
-linvfs_writev_invis(
+xfs_file_writev_invis(
 	struct file		*file,
 	const struct iovec 	*iov,
 	unsigned long		nr_segs,
 	loff_t			*ppos)
 {
-	return __linvfs_writev(file, iov, IO_INVIS, nr_segs, ppos);
+	return __xfs_file_writev(file, iov, IO_INVIS, nr_segs, ppos);
 }
 
 STATIC ssize_t
-linvfs_sendfile(
+xfs_file_sendfile(
 	struct file		*filp,
 	loff_t			*ppos,
 	size_t			count,
 	read_actor_t		actor,
 	void			*target)
 {
-	vnode_t			*vp = LINVFS_GET_VP(filp->f_dentry->d_inode);
+	vnode_t			*vp = vn_from_inode(filp->f_dentry->d_inode);
 	ssize_t			rval;
 
 	VOP_SENDFILE(vp, filp, ppos, 0, count, actor, target, NULL, rval);
@@ -242,11 +242,11 @@ linvfs_sendfile(
 
 
 STATIC int
-linvfs_open(
+xfs_file_open(
 	struct inode	*inode,
 	struct file	*filp)
 {
-	vnode_t		*vp = LINVFS_GET_VP(inode);
+	vnode_t		*vp = vn_from_inode(inode);
 	int		error;
 
 	if (!(filp->f_flags & O_LARGEFILE) && i_size_read(inode) > MAX_NON_LFS)
@@ -259,11 +259,11 @@ linvfs_open(
 
 
 STATIC int
-linvfs_release(
+xfs_file_release(
 	struct inode	*inode,
 	struct file	*filp)
 {
-	vnode_t		*vp = LINVFS_GET_VP(inode);
+	vnode_t		*vp = vn_from_inode(inode);
 	int		error = 0;
 
 	if (vp)
@@ -273,13 +273,13 @@ linvfs_release(
 
 
 STATIC int
-linvfs_fsync(
+xfs_file_fsync(
 	struct file	*filp,
 	struct dentry	*dentry,
 	int		datasync)
 {
 	struct inode	*inode = dentry->d_inode;
-	vnode_t		*vp = LINVFS_GET_VP(inode);
+	vnode_t		*vp = vn_from_inode(inode);
 	int		error;
 	int		flags = FSYNC_WAIT;
 
@@ -292,7 +292,7 @@ linvfs_fsync(
 }
 
 /*
- * linvfs_readdir maps to VOP_READDIR().
+ * xfs_file_readdir maps to VOP_READDIR().
  * We need to build a uio, cred, ...
  */
 
@@ -301,13 +301,13 @@ linvfs_fsync(
 #ifdef CONFIG_XFS_DMAPI
 
 STATIC struct page *
-linvfs_filemap_nopage(
+xfs_vm_nopage(
 	struct vm_area_struct	*area,
 	unsigned long		address,
 	int			*type)
 {
 	struct inode	*inode = area->vm_file->f_dentry->d_inode;
-	vnode_t		*vp = LINVFS_GET_VP(inode);
+	vnode_t		*vp = vn_from_inode(inode);
 	xfs_mount_t	*mp = XFS_VFSTOM(vp->v_vfsp);
 	int		error;
 
@@ -324,7 +324,7 @@ linvfs_filemap_nopage(
 
 
 STATIC int
-linvfs_readdir(
+xfs_file_readdir(
 	struct file	*filp,
 	void		*dirent,
 	filldir_t	filldir)
@@ -340,7 +340,7 @@ linvfs_readdir(
 	xfs_off_t	start_offset, curr_offset;
 	xfs_dirent_t	*dbp = NULL;
 
-	vp = LINVFS_GET_VP(filp->f_dentry->d_inode);
+	vp = vn_from_inode(filp->f_dentry->d_inode);
 	ASSERT(vp);
 
 	/* Try fairly hard to get memory */
@@ -404,39 +404,40 @@ done:
 
 
 STATIC int
-linvfs_file_mmap(
+xfs_file_mmap(
 	struct file	*filp,
 	struct vm_area_struct *vma)
 {
 	struct inode	*ip = filp->f_dentry->d_inode;
-	vnode_t		*vp = LINVFS_GET_VP(ip);
-	vattr_t		va = { .va_mask = XFS_AT_UPDATIME };
+	vnode_t		*vp = vn_from_inode(ip);
+	vattr_t		vattr;
 	int		error;
 
-	vma->vm_ops = &linvfs_file_vm_ops;
+	vma->vm_ops = &xfs_file_vm_ops;
 
 #ifdef CONFIG_XFS_DMAPI
 	if (vp->v_vfsp->vfs_flag & VFS_DMI) {
-		vma->vm_ops = &linvfs_dmapi_file_vm_ops;
+		vma->vm_ops = &xfs_dmapi_file_vm_ops;
 	}
 #endif /* CONFIG_XFS_DMAPI */
 
-	VOP_SETATTR(vp, &va, XFS_AT_UPDATIME, NULL, error);
-	if (!error)
-		vn_revalidate(vp);	/* update Linux inode flags */
+	vattr.va_mask = XFS_AT_UPDATIME;
+	VOP_SETATTR(vp, &vattr, XFS_AT_UPDATIME, NULL, error);
+	if (likely(!error))
+		__vn_revalidate(vp, &vattr);	/* update flags */
 	return 0;
 }
 
 
 STATIC long
-linvfs_ioctl(
+xfs_file_ioctl(
 	struct file	*filp,
 	unsigned int	cmd,
 	unsigned long	arg)
 {
 	int		error;
-	struct inode *inode = filp->f_dentry->d_inode;
-	vnode_t		*vp = LINVFS_GET_VP(inode);
+	struct inode	*inode = filp->f_dentry->d_inode;
+	vnode_t		*vp = vn_from_inode(inode);
 
 	VOP_IOCTL(vp, inode, filp, 0, cmd, (void __user *)arg, error);
 	VMODIFY(vp);
@@ -451,14 +452,14 @@ linvfs_ioctl(
 }
 
 STATIC long
-linvfs_ioctl_invis(
+xfs_file_ioctl_invis(
 	struct file	*filp,
 	unsigned int	cmd,
 	unsigned long	arg)
 {
 	int		error;
-	struct inode *inode = filp->f_dentry->d_inode;
-	vnode_t		*vp = LINVFS_GET_VP(inode);
+	struct inode	*inode = filp->f_dentry->d_inode;
+	vnode_t		*vp = vn_from_inode(inode);
 
 	ASSERT(vp);
 	VOP_IOCTL(vp, inode, filp, IO_INVIS, cmd, (void __user *)arg, error);
@@ -476,11 +477,11 @@ linvfs_ioctl_invis(
 #ifdef CONFIG_XFS_DMAPI
 #ifdef HAVE_VMOP_MPROTECT
 STATIC int
-linvfs_mprotect(
+xfs_vm_mprotect(
 	struct vm_area_struct *vma,
 	unsigned int	newflags)
 {
-	vnode_t		*vp = LINVFS_GET_VP(vma->vm_file->f_dentry->d_inode);
+	vnode_t		*vp = vn_from_inode(vma->vm_file->f_dentry->d_inode);
 	int		error = 0;
 
 	if (vp->v_vfsp->vfs_flag & VFS_DMI) {
@@ -503,10 +504,10 @@ linvfs_mprotect(
  * it back online.
  */
 STATIC int
-linvfs_open_exec(
+xfs_file_open_exec(
 	struct inode	*inode)
 {
-	vnode_t		*vp = LINVFS_GET_VP(inode);
+	vnode_t		*vp = vn_from_inode(inode);
 	xfs_mount_t	*mp = XFS_VFSTOM(vp->v_vfsp);
 	int		error = 0;
 	xfs_inode_t	*ip;
@@ -527,69 +528,69 @@ open_exec_out:
 }
 #endif /* HAVE_FOP_OPEN_EXEC */
 
-struct file_operations linvfs_file_operations = {
+struct file_operations xfs_file_operations = {
 	.llseek		= generic_file_llseek,
 	.read		= do_sync_read,
 	.write		= do_sync_write,
-	.readv		= linvfs_readv,
-	.writev		= linvfs_writev,
-	.aio_read	= linvfs_aio_read,
-	.aio_write	= linvfs_aio_write,
-	.sendfile	= linvfs_sendfile,
-	.unlocked_ioctl	= linvfs_ioctl,
+	.readv		= xfs_file_readv,
+	.writev		= xfs_file_writev,
+	.aio_read	= xfs_file_aio_read,
+	.aio_write	= xfs_file_aio_write,
+	.sendfile	= xfs_file_sendfile,
+	.unlocked_ioctl	= xfs_file_ioctl,
 #ifdef CONFIG_COMPAT
-	.compat_ioctl	= linvfs_compat_ioctl,
+	.compat_ioctl	= xfs_file_compat_ioctl,
 #endif
-	.mmap		= linvfs_file_mmap,
-	.open		= linvfs_open,
-	.release	= linvfs_release,
-	.fsync		= linvfs_fsync,
+	.mmap		= xfs_file_mmap,
+	.open		= xfs_file_open,
+	.release	= xfs_file_release,
+	.fsync		= xfs_file_fsync,
 #ifdef HAVE_FOP_OPEN_EXEC
-	.open_exec	= linvfs_open_exec,
+	.open_exec	= xfs_file_open_exec,
 #endif
 };
 
-struct file_operations linvfs_invis_file_operations = {
+struct file_operations xfs_invis_file_operations = {
 	.llseek		= generic_file_llseek,
 	.read		= do_sync_read,
 	.write		= do_sync_write,
-	.readv		= linvfs_readv_invis,
-	.writev		= linvfs_writev_invis,
-	.aio_read	= linvfs_aio_read_invis,
-	.aio_write	= linvfs_aio_write_invis,
-	.sendfile	= linvfs_sendfile,
-	.unlocked_ioctl	= linvfs_ioctl_invis,
+	.readv		= xfs_file_readv_invis,
+	.writev		= xfs_file_writev_invis,
+	.aio_read	= xfs_file_aio_read_invis,
+	.aio_write	= xfs_file_aio_write_invis,
+	.sendfile	= xfs_file_sendfile,
+	.unlocked_ioctl	= xfs_file_ioctl_invis,
 #ifdef CONFIG_COMPAT
-	.compat_ioctl	= linvfs_compat_invis_ioctl,
+	.compat_ioctl	= xfs_file_compat_invis_ioctl,
 #endif
-	.mmap		= linvfs_file_mmap,
-	.open		= linvfs_open,
-	.release	= linvfs_release,
-	.fsync		= linvfs_fsync,
+	.mmap		= xfs_file_mmap,
+	.open		= xfs_file_open,
+	.release	= xfs_file_release,
+	.fsync		= xfs_file_fsync,
 };
 
 
-struct file_operations linvfs_dir_operations = {
+struct file_operations xfs_dir_file_operations = {
 	.read		= generic_read_dir,
-	.readdir	= linvfs_readdir,
-	.unlocked_ioctl	= linvfs_ioctl,
+	.readdir	= xfs_file_readdir,
+	.unlocked_ioctl	= xfs_file_ioctl,
 #ifdef CONFIG_COMPAT
-	.compat_ioctl	= linvfs_compat_ioctl,
+	.compat_ioctl	= xfs_file_compat_ioctl,
 #endif
-	.fsync		= linvfs_fsync,
+	.fsync		= xfs_file_fsync,
 };
 
-static struct vm_operations_struct linvfs_file_vm_ops = {
+static struct vm_operations_struct xfs_file_vm_ops = {
 	.nopage		= filemap_nopage,
 	.populate	= filemap_populate,
 };
 
 #ifdef CONFIG_XFS_DMAPI
-static struct vm_operations_struct linvfs_dmapi_file_vm_ops = {
-	.nopage		= linvfs_filemap_nopage,
+static struct vm_operations_struct xfs_dmapi_file_vm_ops = {
+	.nopage		= xfs_vm_nopage,
 	.populate	= filemap_populate,
 #ifdef HAVE_VMOP_MPROTECT
-	.mprotect	= linvfs_mprotect,
+	.mprotect	= xfs_vm_mprotect,
 #endif
 };
 #endif /* CONFIG_XFS_DMAPI */
diff --git a/fs/xfs/linux-2.6/xfs_fs_subr.c b/fs/xfs/linux-2.6/xfs_fs_subr.c
index 4fa4b1a5187e..575f2a790f31 100644
--- a/fs/xfs/linux-2.6/xfs_fs_subr.c
+++ b/fs/xfs/linux-2.6/xfs_fs_subr.c
@@ -57,7 +57,7 @@ fs_tosspages(
 	int		fiopt)
 {
 	vnode_t		*vp = BHV_TO_VNODE(bdp);
-	struct inode	*ip = LINVFS_GET_IP(vp);
+	struct inode	*ip = vn_to_inode(vp);
 
 	if (VN_CACHED(vp))
 		truncate_inode_pages(ip->i_mapping, first);
@@ -76,7 +76,7 @@ fs_flushinval_pages(
 	int		fiopt)
 {
 	vnode_t		*vp = BHV_TO_VNODE(bdp);
-	struct inode	*ip = LINVFS_GET_IP(vp);
+	struct inode	*ip = vn_to_inode(vp);
 
 	if (VN_CACHED(vp)) {
 		filemap_write_and_wait(ip->i_mapping);
@@ -98,7 +98,7 @@ fs_flush_pages(
 	int		fiopt)
 {
 	vnode_t		*vp = BHV_TO_VNODE(bdp);
-	struct inode	*ip = LINVFS_GET_IP(vp);
+	struct inode	*ip = vn_to_inode(vp);
 
 	if (VN_CACHED(vp)) {
 		filemap_fdatawrite(ip->i_mapping);
diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c
index 4db47790415c..84478491609b 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl.c
@@ -138,7 +138,7 @@ xfs_find_handle(
 	}
 
 	/* we need the vnode */
-	vp = LINVFS_GET_VP(inode);
+	vp = vn_from_inode(inode);
 
 	/* now we can grab the fsid */
 	memcpy(&handle.ha_fsid, vp->v_vfsp->vfs_altfsid, sizeof(xfs_fsid_t));
@@ -256,7 +256,7 @@ xfs_vget_fsop_handlereq(
 	}
 
 	vpp = XFS_ITOV(ip);
-	inodep = LINVFS_GET_IP(vpp);
+	inodep = vn_to_inode(vpp);
 	xfs_iunlock(ip, XFS_ILOCK_SHARED);
 
 	*vp = vpp;
@@ -344,7 +344,7 @@ xfs_open_by_handle(
 		return -XFS_ERROR(-PTR_ERR(filp));
 	}
 	if (inode->i_mode & S_IFREG)
-		filp->f_op = &linvfs_invis_file_operations;
+		filp->f_op = &xfs_invis_file_operations;
 
 	fd_install(new_fd, filp);
 	return new_fd;
@@ -715,7 +715,7 @@ xfs_ioctl(
 	xfs_inode_t		*ip;
 	xfs_mount_t		*mp;
 
-	vp = LINVFS_GET_VP(inode);
+	vp = vn_from_inode(inode);
 
 	vn_trace_entry(vp, "xfs_ioctl", (inst_t *)__return_address);
 
@@ -1160,105 +1160,129 @@ xfs_ioc_xattr(
 	void			__user *arg)
 {
 	struct fsxattr		fa;
-	vattr_t			va;
-	int			error;
+	struct vattr		*vattr;
+	int			error = 0;
 	int			attr_flags;
 	unsigned int		flags;
 
+	vattr = kmalloc(sizeof(*vattr), GFP_KERNEL);
+	if (unlikely(!vattr))
+		return -ENOMEM;
+
 	switch (cmd) {
 	case XFS_IOC_FSGETXATTR: {
-		va.va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE | \
-			     XFS_AT_NEXTENTS | XFS_AT_PROJID;
-		VOP_GETATTR(vp, &va, 0, NULL, error);
-		if (error)
-			return -error;
+		vattr->va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE | \
+				 XFS_AT_NEXTENTS | XFS_AT_PROJID;
+		VOP_GETATTR(vp, vattr, 0, NULL, error);
+		if (unlikely(error)) {
+			error = -error;
+			break;
+		}
 
-		fa.fsx_xflags	= va.va_xflags;
-		fa.fsx_extsize	= va.va_extsize;
-		fa.fsx_nextents = va.va_nextents;
-		fa.fsx_projid	= va.va_projid;
+		fa.fsx_xflags	= vattr->va_xflags;
+		fa.fsx_extsize	= vattr->va_extsize;
+		fa.fsx_nextents = vattr->va_nextents;
+		fa.fsx_projid	= vattr->va_projid;
 
-		if (copy_to_user(arg, &fa, sizeof(fa)))
-			return -XFS_ERROR(EFAULT);
-		return 0;
+		if (copy_to_user(arg, &fa, sizeof(fa))) {
+			error = -EFAULT;
+			break;
+		}
+		break;
 	}
 
 	case XFS_IOC_FSSETXATTR: {
-		if (copy_from_user(&fa, arg, sizeof(fa)))
-			return -XFS_ERROR(EFAULT);
+		if (copy_from_user(&fa, arg, sizeof(fa))) {
+			error = -EFAULT;
+			break;
+		}
 
 		attr_flags = 0;
 		if (filp->f_flags & (O_NDELAY|O_NONBLOCK))
 			attr_flags |= ATTR_NONBLOCK;
 
-		va.va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE | XFS_AT_PROJID;
-		va.va_xflags  = fa.fsx_xflags;
-		va.va_extsize = fa.fsx_extsize;
-		va.va_projid  = fa.fsx_projid;
+		vattr->va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE | XFS_AT_PROJID;
+		vattr->va_xflags  = fa.fsx_xflags;
+		vattr->va_extsize = fa.fsx_extsize;
+		vattr->va_projid  = fa.fsx_projid;
 
-		VOP_SETATTR(vp, &va, attr_flags, NULL, error);
-		if (!error)
-			vn_revalidate(vp);	/* update Linux inode flags */
-		return -error;
+		VOP_SETATTR(vp, vattr, attr_flags, NULL, error);
+		if (likely(!error))
+			__vn_revalidate(vp, vattr);	/* update flags */
+		error = -error;
+		break;
 	}
 
 	case XFS_IOC_FSGETXATTRA: {
-		va.va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE | \
-			     XFS_AT_ANEXTENTS | XFS_AT_PROJID;
-		VOP_GETATTR(vp, &va, 0, NULL, error);
-		if (error)
-			return -error;
+		vattr->va_mask = XFS_AT_XFLAGS | XFS_AT_EXTSIZE | \
+				 XFS_AT_ANEXTENTS | XFS_AT_PROJID;
+		VOP_GETATTR(vp, vattr, 0, NULL, error);
+		if (unlikely(error)) {
+			error = -error;
+			break;
+		}
 
-		fa.fsx_xflags	= va.va_xflags;
-		fa.fsx_extsize	= va.va_extsize;
-		fa.fsx_nextents = va.va_anextents;
-		fa.fsx_projid	= va.va_projid;
+		fa.fsx_xflags	= vattr->va_xflags;
+		fa.fsx_extsize	= vattr->va_extsize;
+		fa.fsx_nextents = vattr->va_anextents;
+		fa.fsx_projid	= vattr->va_projid;
 
-		if (copy_to_user(arg, &fa, sizeof(fa)))
-			return -XFS_ERROR(EFAULT);
-		return 0;
+		if (copy_to_user(arg, &fa, sizeof(fa))) {
+			error = -EFAULT;
+			break;
+		}
+		break;
 	}
 
 	case XFS_IOC_GETXFLAGS: {
 		flags = xfs_di2lxflags(ip->i_d.di_flags);
 		if (copy_to_user(arg, &flags, sizeof(flags)))
-			return -XFS_ERROR(EFAULT);
-		return 0;
+			error = -EFAULT;
+		break;
 	}
 
 	case XFS_IOC_SETXFLAGS: {
-		if (copy_from_user(&flags, arg, sizeof(flags)))
-			return -XFS_ERROR(EFAULT);
+		if (copy_from_user(&flags, arg, sizeof(flags))) {
+			error = -EFAULT;
+			break;
+		}
 
 		if (flags & ~(LINUX_XFLAG_IMMUTABLE | LINUX_XFLAG_APPEND | \
 			      LINUX_XFLAG_NOATIME | LINUX_XFLAG_NODUMP | \
-			      LINUX_XFLAG_SYNC))
-			return -XFS_ERROR(EOPNOTSUPP);
+			      LINUX_XFLAG_SYNC)) {
+			error = -EOPNOTSUPP;
+			break;
+		}
 
 		attr_flags = 0;
 		if (filp->f_flags & (O_NDELAY|O_NONBLOCK))
 			attr_flags |= ATTR_NONBLOCK;
 
-		va.va_mask = XFS_AT_XFLAGS;
-		va.va_xflags = xfs_merge_ioc_xflags(flags,
-				xfs_ip2xflags(ip));
+		vattr->va_mask = XFS_AT_XFLAGS;
+		vattr->va_xflags = xfs_merge_ioc_xflags(flags,
+							xfs_ip2xflags(ip));
 
-		VOP_SETATTR(vp, &va, attr_flags, NULL, error);
-		if (!error)
-			vn_revalidate(vp);	/* update Linux inode flags */
-		return -error;
+		VOP_SETATTR(vp, vattr, attr_flags, NULL, error);
+		if (likely(!error))
+			__vn_revalidate(vp, vattr);	/* update flags */
+		error = -error;
+		break;
 	}
 
 	case XFS_IOC_GETVERSION: {
-		flags = LINVFS_GET_IP(vp)->i_generation;
+		flags = vn_to_inode(vp)->i_generation;
 		if (copy_to_user(arg, &flags, sizeof(flags)))
-			return -XFS_ERROR(EFAULT);
-		return 0;
+			error = -EFAULT;
+		break;
 	}
 
 	default:
-		return -ENOTTY;
+		error = -ENOTTY;
+		break;
 	}
+
+	kfree(vattr);
+	return error;
 }
 
 STATIC int
diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.c b/fs/xfs/linux-2.6/xfs_ioctl32.c
index a7c9ba1a9f7b..b6321abd9a81 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl32.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl32.c
@@ -107,11 +107,11 @@ xfs_ioctl32_bulkstat(
 #endif
 
 STATIC long
-__linvfs_compat_ioctl(int mode, struct file *f, unsigned cmd, unsigned long arg)
+xfs_compat_ioctl(int mode, struct file *f, unsigned cmd, unsigned long arg)
 {
 	int		error;
 	struct		inode *inode = f->f_dentry->d_inode;
-	vnode_t		*vp = LINVFS_GET_VP(inode);
+	vnode_t		*vp = vn_to_inode(inode);
 
 	switch (cmd) {
 	case XFS_IOC_DIOINFO:
@@ -196,19 +196,19 @@ __linvfs_compat_ioctl(int mode, struct file *f, unsigned cmd, unsigned long arg)
 }
 
 long
-linvfs_compat_ioctl(
+xfs_file_compat_ioctl(
 	struct file		*f,
 	unsigned		cmd,
 	unsigned long		arg)
 {
-	return __linvfs_compat_ioctl(0, f, cmd, arg);
+	return xfs_compat_ioctl(0, f, cmd, arg);
 }
 
 long
-linvfs_compat_invis_ioctl(
+xfs_file_compat_invis_ioctl(
 	struct file		*f,
 	unsigned		cmd,
 	unsigned long		arg)
 {
-	return __linvfs_compat_ioctl(IO_INVIS, f, cmd, arg);
+	return xfs_compat_ioctl(IO_INVIS, f, cmd, arg);
 }
diff --git a/fs/xfs/linux-2.6/xfs_ioctl32.h b/fs/xfs/linux-2.6/xfs_ioctl32.h
index 011c273bec50..02de6e62ee37 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl32.h
+++ b/fs/xfs/linux-2.6/xfs_ioctl32.h
@@ -18,7 +18,7 @@
 #ifndef __XFS_IOCTL32_H__
 #define __XFS_IOCTL32_H__
 
-extern long linvfs_compat_ioctl(struct file *, unsigned, unsigned long);
-extern long linvfs_compat_invis_ioctl(struct file *f, unsigned, unsigned long);
+extern long xfs_file_compat_ioctl(struct file *, unsigned, unsigned long);
+extern long xfs_file_compat_invis_ioctl(struct file *, unsigned, unsigned long);
 
 #endif /* __XFS_IOCTL32_H__ */
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index d7f6f2d8ac8e..af487437bd7e 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -106,7 +106,7 @@ xfs_ichgtime(
 	xfs_inode_t	*ip,
 	int		flags)
 {
-	struct inode	*inode = LINVFS_GET_IP(XFS_ITOV(ip));
+	struct inode	*inode = vn_to_inode(XFS_ITOV(ip));
 	timespec_t	tv;
 
 	nanotime(&tv);
@@ -198,22 +198,22 @@ xfs_ichgtime_fast(
  * Pull the link count and size up from the xfs inode to the linux inode
  */
 STATIC void
-validate_fields(
-	struct inode	*ip)
+xfs_validate_fields(
+	struct inode	*ip,
+	struct vattr	*vattr)
 {
-	vnode_t		*vp = LINVFS_GET_VP(ip);
-	vattr_t		va;
+	vnode_t		*vp = vn_from_inode(ip);
 	int		error;
 
-	va.va_mask = XFS_AT_NLINK|XFS_AT_SIZE|XFS_AT_NBLOCKS;
-	VOP_GETATTR(vp, &va, ATTR_LAZY, NULL, error);
-	if (likely(!error)) {
-		ip->i_nlink = va.va_nlink;
-		ip->i_blocks = va.va_nblocks;
+	vattr->va_mask = XFS_AT_NLINK|XFS_AT_SIZE|XFS_AT_NBLOCKS;
+	VOP_GETATTR(vp, vattr, ATTR_LAZY, NULL, error);
+  	if (likely(!error)) {
+		ip->i_nlink = vattr->va_nlink;
+		ip->i_blocks = vattr->va_nblocks;
 
-		/* we're under i_mutex so i_size can't change under us */
-		if (i_size_read(ip) != va.va_size)
-			i_size_write(ip, va.va_size);
+		/* we're under i_sem so i_size can't change under us */
+		if (i_size_read(ip) != vattr->va_size)
+			i_size_write(ip, vattr->va_size);
 	}
 }
 
@@ -224,11 +224,11 @@ validate_fields(
  * inode, of course, such that log replay can't cause these to be lost).
  */
 STATIC int
-linvfs_init_security(
+xfs_init_security(
 	struct vnode	*vp,
 	struct inode	*dir)
 {
-	struct inode	*ip = LINVFS_GET_IP(vp);
+	struct inode	*ip = vn_to_inode(vp);
 	size_t		length;
 	void		*value;
 	char		*name;
@@ -257,46 +257,46 @@ linvfs_init_security(
  * XXX(hch):  nfsd is broken, better fix it instead.
  */
 STATIC inline int
-has_fs_struct(struct task_struct *task)
+xfs_has_fs_struct(struct task_struct *task)
 {
 	return (task->fs != init_task.fs);
 }
 
 STATIC inline void
-cleanup_inode(
+xfs_cleanup_inode(
 	vnode_t		*dvp,
 	vnode_t		*vp,
-	struct dentry	*dentry,	
+	struct dentry	*dentry,
 	int		mode)
 {
 	struct dentry   teardown = {};
-	int             err2;
+	int             error;
 
 	/* Oh, the horror.
-	 * If we can't add the ACL or we fail in 
-	 * linvfs_init_security we must back out.
+	 * If we can't add the ACL or we fail in
+	 * xfs_init_security we must back out.
 	 * ENOSPC can hit here, among other things.
 	 */
-	teardown.d_inode = LINVFS_GET_IP(vp);
+	teardown.d_inode = vn_to_inode(vp);
 	teardown.d_name = dentry->d_name;
 
 	if (S_ISDIR(mode))
-	  	VOP_RMDIR(dvp, &teardown, NULL, err2);
+	  	VOP_RMDIR(dvp, &teardown, NULL, error);
 	else
-		VOP_REMOVE(dvp, &teardown, NULL, err2);
+		VOP_REMOVE(dvp, &teardown, NULL, error);
 	VN_RELE(vp);
 }
 
 STATIC int
-linvfs_mknod(
+xfs_vn_mknod(
 	struct inode	*dir,
 	struct dentry	*dentry,
 	int		mode,
 	dev_t		rdev)
 {
 	struct inode	*ip;
-	vattr_t		va;
-	vnode_t		*vp = NULL, *dvp = LINVFS_GET_VP(dir);
+	vattr_t		vattr = { 0 };
+	vnode_t		*vp = NULL, *dvp = vn_from_inode(dir);
 	xfs_acl_t	*default_acl = NULL;
 	attrexists_t	test_default_acl = _ACL_DEFAULT_EXISTS;
 	int		error;
@@ -305,99 +305,98 @@ linvfs_mknod(
 	 * Irix uses Missed'em'V split, but doesn't want to see
 	 * the upper 5 bits of (14bit) major.
 	 */
-	if (!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff)
+	if (unlikely(!sysv_valid_dev(rdev) || MAJOR(rdev) & ~0x1ff))
 		return -EINVAL;
 
-	if (test_default_acl && test_default_acl(dvp)) {
-		if (!_ACL_ALLOC(default_acl))
+	if (unlikely(test_default_acl && test_default_acl(dvp))) {
+		if (!_ACL_ALLOC(default_acl)) {
 			return -ENOMEM;
+		}
 		if (!_ACL_GET_DEFAULT(dvp, default_acl)) {
 			_ACL_FREE(default_acl);
 			default_acl = NULL;
 		}
 	}
 
-	if (IS_POSIXACL(dir) && !default_acl && has_fs_struct(current))
+	if (IS_POSIXACL(dir) && !default_acl && xfs_has_fs_struct(current))
 		mode &= ~current->fs->umask;
 
-	memset(&va, 0, sizeof(va));
-	va.va_mask = XFS_AT_TYPE|XFS_AT_MODE;
-	va.va_mode = mode;
+	vattr.va_mask = XFS_AT_TYPE|XFS_AT_MODE;
+	vattr.va_mode = mode;
 
 	switch (mode & S_IFMT) {
 	case S_IFCHR: case S_IFBLK: case S_IFIFO: case S_IFSOCK:
-		va.va_rdev = sysv_encode_dev(rdev);
-		va.va_mask |= XFS_AT_RDEV;
+		vattr.va_rdev = sysv_encode_dev(rdev);
+		vattr.va_mask |= XFS_AT_RDEV;
 		/*FALLTHROUGH*/
 	case S_IFREG:
-		VOP_CREATE(dvp, dentry, &va, &vp, NULL, error);
+		VOP_CREATE(dvp, dentry, &vattr, &vp, NULL, error);
 		break;
 	case S_IFDIR:
-		VOP_MKDIR(dvp, dentry, &va, &vp, NULL, error);
+		VOP_MKDIR(dvp, dentry, &vattr, &vp, NULL, error);
 		break;
 	default:
 		error = EINVAL;
 		break;
 	}
 
-	if (!error)
-	{
-		error = linvfs_init_security(vp, dir);
+	if (unlikely(!error)) {
+		error = xfs_init_security(vp, dir);
 		if (error)
-			cleanup_inode(dvp, vp, dentry, mode);
+			xfs_cleanup_inode(dvp, vp, dentry, mode);
 	}
 
-	if (default_acl) {
+	if (unlikely(default_acl)) {
 		if (!error) {
-			error = _ACL_INHERIT(vp, &va, default_acl);
-			if (!error) 
+			error = _ACL_INHERIT(vp, &vattr, default_acl);
+			if (!error)
 				VMODIFY(vp);
 			else
-				cleanup_inode(dvp, vp, dentry, mode);
+				xfs_cleanup_inode(dvp, vp, dentry, mode);
 		}
 		_ACL_FREE(default_acl);
 	}
 
-	if (!error) {
+	if (likely(!error)) {
 		ASSERT(vp);
-		ip = LINVFS_GET_IP(vp);
+		ip = vn_to_inode(vp);
 
 		if (S_ISCHR(mode) || S_ISBLK(mode))
 			ip->i_rdev = rdev;
 		else if (S_ISDIR(mode))
-			validate_fields(ip);
+			xfs_validate_fields(ip, &vattr);
 		d_instantiate(dentry, ip);
-		validate_fields(dir);
+		xfs_validate_fields(dir, &vattr);
 	}
 	return -error;
 }
 
 STATIC int
-linvfs_create(
+xfs_vn_create(
 	struct inode	*dir,
 	struct dentry	*dentry,
 	int		mode,
 	struct nameidata *nd)
 {
-	return linvfs_mknod(dir, dentry, mode, 0);
+	return xfs_vn_mknod(dir, dentry, mode, 0);
 }
 
 STATIC int
-linvfs_mkdir(
+xfs_vn_mkdir(
 	struct inode	*dir,
 	struct dentry	*dentry,
 	int		mode)
 {
-	return linvfs_mknod(dir, dentry, mode|S_IFDIR, 0);
+	return xfs_vn_mknod(dir, dentry, mode|S_IFDIR, 0);
 }
 
 STATIC struct dentry *
-linvfs_lookup(
+xfs_vn_lookup(
 	struct inode	*dir,
 	struct dentry	*dentry,
 	struct nameidata *nd)
 {
-	struct vnode	*vp = LINVFS_GET_VP(dir), *cvp;
+	struct vnode	*vp = vn_from_inode(dir), *cvp;
 	int		error;
 
 	if (dentry->d_name.len >= MAXNAMELEN)
@@ -411,11 +410,11 @@ linvfs_lookup(
 		return NULL;
 	}
 
-	return d_splice_alias(LINVFS_GET_IP(cvp), dentry);
+	return d_splice_alias(vn_to_inode(cvp), dentry);
 }
 
 STATIC int
-linvfs_link(
+xfs_vn_link(
 	struct dentry	*old_dentry,
 	struct inode	*dir,
 	struct dentry	*dentry)
@@ -423,99 +422,102 @@ linvfs_link(
 	struct inode	*ip;	/* inode of guy being linked to */
 	vnode_t		*tdvp;	/* target directory for new name/link */
 	vnode_t		*vp;	/* vp of name being linked */
+	vattr_t		vattr;
 	int		error;
 
 	ip = old_dentry->d_inode;	/* inode being linked to */
 	if (S_ISDIR(ip->i_mode))
 		return -EPERM;
 
-	tdvp = LINVFS_GET_VP(dir);
-	vp = LINVFS_GET_VP(ip);
+	tdvp = vn_from_inode(dir);
+	vp = vn_from_inode(ip);
 
 	VOP_LINK(tdvp, vp, dentry, NULL, error);
-	if (!error) {
+	if (likely(!error)) {
 		VMODIFY(tdvp);
 		VN_HOLD(vp);
-		validate_fields(ip);
+		xfs_validate_fields(ip, &vattr);
 		d_instantiate(dentry, ip);
 	}
 	return -error;
 }
 
 STATIC int
-linvfs_unlink(
+xfs_vn_unlink(
 	struct inode	*dir,
 	struct dentry	*dentry)
 {
 	struct inode	*inode;
 	vnode_t		*dvp;	/* directory containing name to remove */
+	vattr_t		vattr;
 	int		error;
 
 	inode = dentry->d_inode;
-	dvp = LINVFS_GET_VP(dir);
+	dvp = vn_from_inode(dir);
 
 	VOP_REMOVE(dvp, dentry, NULL, error);
-	if (!error) {
-		validate_fields(dir);	/* For size only */
-		validate_fields(inode);
+	if (likely(!error)) {
+		xfs_validate_fields(dir, &vattr);	/* size needs update */
+		xfs_validate_fields(inode, &vattr);
 	}
-
 	return -error;
 }
 
 STATIC int
-linvfs_symlink(
+xfs_vn_symlink(
 	struct inode	*dir,
 	struct dentry	*dentry,
 	const char	*symname)
 {
 	struct inode	*ip;
-	vattr_t		va;
+	vattr_t		vattr = { 0 };
 	vnode_t		*dvp;	/* directory containing name of symlink */
 	vnode_t		*cvp;	/* used to lookup symlink to put in dentry */
 	int		error;
 
-	dvp = LINVFS_GET_VP(dir);
+	dvp = vn_from_inode(dir);
 	cvp = NULL;
 
-	memset(&va, 0, sizeof(va));
-	va.va_mode = S_IFLNK |
+	vattr.va_mode = S_IFLNK |
 		(irix_symlink_mode ? 0777 & ~current->fs->umask : S_IRWXUGO);
-	va.va_mask = XFS_AT_TYPE|XFS_AT_MODE;
+	vattr.va_mask = XFS_AT_TYPE|XFS_AT_MODE;
 
 	error = 0;
-	VOP_SYMLINK(dvp, dentry, &va, (char *)symname, &cvp, NULL, error);
+	VOP_SYMLINK(dvp, dentry, &vattr, (char *)symname, &cvp, NULL, error);
 	if (likely(!error && cvp)) {
-		error = linvfs_init_security(cvp, dir);
+		error = xfs_init_security(cvp, dir);
 		if (likely(!error)) {
-			ip = LINVFS_GET_IP(cvp);
+			ip = vn_to_inode(cvp);
 			d_instantiate(dentry, ip);
-			validate_fields(dir);
-			validate_fields(ip);
+			xfs_validate_fields(dir, &vattr);
+			xfs_validate_fields(ip, &vattr);
+		} else {
+			xfs_cleanup_inode(dvp, cvp, dentry, 0);
 		}
 	}
 	return -error;
 }
 
 STATIC int
-linvfs_rmdir(
+xfs_vn_rmdir(
 	struct inode	*dir,
 	struct dentry	*dentry)
 {
 	struct inode	*inode = dentry->d_inode;
-	vnode_t		*dvp = LINVFS_GET_VP(dir);
+	vnode_t		*dvp = vn_from_inode(dir);
+	vattr_t		vattr;
 	int		error;
 
 	VOP_RMDIR(dvp, dentry, NULL, error);
-	if (!error) {
-		validate_fields(inode);
-		validate_fields(dir);
+	if (likely(!error)) {
+		xfs_validate_fields(inode, &vattr);
+		xfs_validate_fields(dir, &vattr);
 	}
 	return -error;
 }
 
 STATIC int
-linvfs_rename(
+xfs_vn_rename(
 	struct inode	*odir,
 	struct dentry	*odentry,
 	struct inode	*ndir,
@@ -524,22 +526,21 @@ linvfs_rename(
 	struct inode	*new_inode = ndentry->d_inode;
 	vnode_t		*fvp;	/* from directory */
 	vnode_t		*tvp;	/* target directory */
+	vattr_t		vattr;
 	int		error;
 
-	fvp = LINVFS_GET_VP(odir);
-	tvp = LINVFS_GET_VP(ndir);
+	fvp = vn_from_inode(odir);
+	tvp = vn_from_inode(ndir);
 
 	VOP_RENAME(fvp, odentry, tvp, ndentry, NULL, error);
-	if (error)
-		return -error;
-
-	if (new_inode)
-		validate_fields(new_inode);
-
-	validate_fields(odir);
-	if (ndir != odir)
-		validate_fields(ndir);
-	return 0;
+	if (likely(!error)) {
+		if (new_inode)
+			xfs_validate_fields(new_inode, &vattr);
+		xfs_validate_fields(odir, &vattr);
+		if (ndir != odir)
+			xfs_validate_fields(ndir, &vattr);
+	}
+	return -error;
 }
 
 /*
@@ -548,7 +549,7 @@ linvfs_rename(
  * uio is kmalloced for this reason...
  */
 STATIC void *
-linvfs_follow_link(
+xfs_vn_follow_link(
 	struct dentry		*dentry,
 	struct nameidata	*nd)
 {
@@ -574,7 +575,7 @@ linvfs_follow_link(
 		return NULL;
 	}
 
-	vp = LINVFS_GET_VP(dentry->d_inode);
+	vp = vn_from_inode(dentry->d_inode);
 
 	iov.iov_base = link;
 	iov.iov_len = MAXPATHLEN;
@@ -599,7 +600,7 @@ linvfs_follow_link(
 }
 
 STATIC void
-linvfs_put_link(
+xfs_vn_put_link(
 	struct dentry	*dentry,
 	struct nameidata *nd,
 	void		*p)
@@ -612,12 +613,12 @@ linvfs_put_link(
 
 #ifdef CONFIG_XFS_POSIX_ACL
 STATIC int
-linvfs_permission(
+xfs_vn_permission(
 	struct inode	*inode,
 	int		mode,
 	struct nameidata *nd)
 {
-	vnode_t		*vp = LINVFS_GET_VP(inode);
+	vnode_t		*vp = vn_from_inode(inode);
 	int		error;
 
 	mode <<= 6;		/* convert from linux to vnode access bits */
@@ -625,17 +626,17 @@ linvfs_permission(
 	return -error;
 }
 #else
-#define linvfs_permission NULL
+#define xfs_vn_permission NULL
 #endif
 
 STATIC int
-linvfs_getattr(
+xfs_vn_getattr(
 	struct vfsmount	*mnt,
 	struct dentry	*dentry,
 	struct kstat	*stat)
 {
 	struct inode	*inode = dentry->d_inode;
-	vnode_t		*vp = LINVFS_GET_VP(inode);
+	vnode_t		*vp = vn_from_inode(inode);
 	int		error = 0;
 
 	if (unlikely(vp->v_flag & VMODIFIED))
@@ -646,18 +647,17 @@ linvfs_getattr(
 }
 
 STATIC int
-linvfs_setattr(
+xfs_vn_setattr(
 	struct dentry	*dentry,
 	struct iattr	*attr)
 {
 	struct inode	*inode = dentry->d_inode;
 	unsigned int	ia_valid = attr->ia_valid;
-	vnode_t		*vp = LINVFS_GET_VP(inode);
-	vattr_t		vattr;
+	vnode_t		*vp = vn_from_inode(inode);
+	vattr_t		vattr = { 0 };
 	int		flags = 0;
 	int		error;
 
-	memset(&vattr, 0, sizeof(vattr_t));
 	if (ia_valid & ATTR_UID) {
 		vattr.va_mask |= XFS_AT_UID;
 		vattr.va_uid = attr->ia_uid;
@@ -699,28 +699,27 @@ linvfs_setattr(
 #endif
 
 	VOP_SETATTR(vp, &vattr, flags, NULL, error);
-	if (error)
-		return -error;
-	vn_revalidate(vp);
-	return error;
+	if (likely(!error))
+		__vn_revalidate(vp, &vattr);
+	return -error;
 }
 
 STATIC void
-linvfs_truncate(
+xfs_vn_truncate(
 	struct inode	*inode)
 {
-	block_truncate_page(inode->i_mapping, inode->i_size, linvfs_get_block);
+	block_truncate_page(inode->i_mapping, inode->i_size, xfs_get_block);
 }
 
 STATIC int
-linvfs_setxattr(
+xfs_vn_setxattr(
 	struct dentry	*dentry,
 	const char	*name,
 	const void	*data,
 	size_t		size,
 	int		flags)
 {
-	vnode_t		*vp = LINVFS_GET_VP(dentry->d_inode);
+	vnode_t		*vp = vn_from_inode(dentry->d_inode);
 	char		*attr = (char *)name;
 	attrnames_t	*namesp;
 	int		xflags = 0;
@@ -744,13 +743,13 @@ linvfs_setxattr(
 }
 
 STATIC ssize_t
-linvfs_getxattr(
+xfs_vn_getxattr(
 	struct dentry	*dentry,
 	const char	*name,
 	void		*data,
 	size_t		size)
 {
-	vnode_t		*vp = LINVFS_GET_VP(dentry->d_inode);
+	vnode_t		*vp = vn_from_inode(dentry->d_inode);
 	char		*attr = (char *)name;
 	attrnames_t	*namesp;
 	int		xflags = 0;
@@ -774,12 +773,12 @@ linvfs_getxattr(
 }
 
 STATIC ssize_t
-linvfs_listxattr(
+xfs_vn_listxattr(
 	struct dentry		*dentry,
 	char			*data,
 	size_t			size)
 {
-	vnode_t			*vp = LINVFS_GET_VP(dentry->d_inode);
+	vnode_t			*vp = vn_from_inode(dentry->d_inode);
 	int			error, xflags = ATTR_KERNAMELS;
 	ssize_t			result;
 
@@ -794,11 +793,11 @@ linvfs_listxattr(
 }
 
 STATIC int
-linvfs_removexattr(
+xfs_vn_removexattr(
 	struct dentry	*dentry,
 	const char	*name)
 {
-	vnode_t		*vp = LINVFS_GET_VP(dentry->d_inode);
+	vnode_t		*vp = vn_from_inode(dentry->d_inode);
 	char		*attr = (char *)name;
 	attrnames_t	*namesp;
 	int		xflags = 0;
@@ -816,45 +815,45 @@ linvfs_removexattr(
 }
 
 
-struct inode_operations linvfs_file_inode_operations = {
-	.permission		= linvfs_permission,
-	.truncate		= linvfs_truncate,
-	.getattr		= linvfs_getattr,
-	.setattr		= linvfs_setattr,
-	.setxattr		= linvfs_setxattr,
-	.getxattr		= linvfs_getxattr,
-	.listxattr		= linvfs_listxattr,
-	.removexattr		= linvfs_removexattr,
+struct inode_operations xfs_inode_operations = {
+	.permission		= xfs_vn_permission,
+	.truncate		= xfs_vn_truncate,
+	.getattr		= xfs_vn_getattr,
+	.setattr		= xfs_vn_setattr,
+	.setxattr		= xfs_vn_setxattr,
+	.getxattr		= xfs_vn_getxattr,
+	.listxattr		= xfs_vn_listxattr,
+	.removexattr		= xfs_vn_removexattr,
 };
 
-struct inode_operations linvfs_dir_inode_operations = {
-	.create			= linvfs_create,
-	.lookup			= linvfs_lookup,
-	.link			= linvfs_link,
-	.unlink			= linvfs_unlink,
-	.symlink		= linvfs_symlink,
-	.mkdir			= linvfs_mkdir,
-	.rmdir			= linvfs_rmdir,
-	.mknod			= linvfs_mknod,
-	.rename			= linvfs_rename,
-	.permission		= linvfs_permission,
-	.getattr		= linvfs_getattr,
-	.setattr		= linvfs_setattr,
-	.setxattr		= linvfs_setxattr,
-	.getxattr		= linvfs_getxattr,
-	.listxattr		= linvfs_listxattr,
-	.removexattr		= linvfs_removexattr,
+struct inode_operations xfs_dir_inode_operations = {
+	.create			= xfs_vn_create,
+	.lookup			= xfs_vn_lookup,
+	.link			= xfs_vn_link,
+	.unlink			= xfs_vn_unlink,
+	.symlink		= xfs_vn_symlink,
+	.mkdir			= xfs_vn_mkdir,
+	.rmdir			= xfs_vn_rmdir,
+	.mknod			= xfs_vn_mknod,
+	.rename			= xfs_vn_rename,
+	.permission		= xfs_vn_permission,
+	.getattr		= xfs_vn_getattr,
+	.setattr		= xfs_vn_setattr,
+	.setxattr		= xfs_vn_setxattr,
+	.getxattr		= xfs_vn_getxattr,
+	.listxattr		= xfs_vn_listxattr,
+	.removexattr		= xfs_vn_removexattr,
 };
 
-struct inode_operations linvfs_symlink_inode_operations = {
+struct inode_operations xfs_symlink_inode_operations = {
 	.readlink		= generic_readlink,
-	.follow_link		= linvfs_follow_link,
-	.put_link		= linvfs_put_link,
-	.permission		= linvfs_permission,
-	.getattr		= linvfs_getattr,
-	.setattr		= linvfs_setattr,
-	.setxattr		= linvfs_setxattr,
-	.getxattr		= linvfs_getxattr,
-	.listxattr		= linvfs_listxattr,
-	.removexattr		= linvfs_removexattr,
+	.follow_link		= xfs_vn_follow_link,
+	.put_link		= xfs_vn_put_link,
+	.permission		= xfs_vn_permission,
+	.getattr		= xfs_vn_getattr,
+	.setattr		= xfs_vn_setattr,
+	.setxattr		= xfs_vn_setxattr,
+	.getxattr		= xfs_vn_getxattr,
+	.listxattr		= xfs_vn_listxattr,
+	.removexattr		= xfs_vn_removexattr,
 };
diff --git a/fs/xfs/linux-2.6/xfs_iops.h b/fs/xfs/linux-2.6/xfs_iops.h
index 6899a6b4a50a..a8417d7af5f9 100644
--- a/fs/xfs/linux-2.6/xfs_iops.h
+++ b/fs/xfs/linux-2.6/xfs_iops.h
@@ -18,13 +18,13 @@
 #ifndef __XFS_IOPS_H__
 #define __XFS_IOPS_H__
 
-extern struct inode_operations linvfs_file_inode_operations;
-extern struct inode_operations linvfs_dir_inode_operations;
-extern struct inode_operations linvfs_symlink_inode_operations;
+extern struct inode_operations xfs_inode_operations;
+extern struct inode_operations xfs_dir_inode_operations;
+extern struct inode_operations xfs_symlink_inode_operations;
 
-extern struct file_operations linvfs_file_operations;
-extern struct file_operations linvfs_invis_file_operations;
-extern struct file_operations linvfs_dir_operations;
+extern struct file_operations xfs_file_operations;
+extern struct file_operations xfs_dir_file_operations;
+extern struct file_operations xfs_invis_file_operations;
 
 extern int xfs_ioctl(struct bhv_desc *, struct inode *, struct file *,
                         int, unsigned int, void __user *);
diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h
index 67389b745526..1fe09f2d6519 100644
--- a/fs/xfs/linux-2.6/xfs_linux.h
+++ b/fs/xfs/linux-2.6/xfs_linux.h
@@ -73,6 +73,9 @@
 #include <linux/list.h>
 #include <linux/proc_fs.h>
 #include <linux/sort.h>
+#include <linux/cpu.h>
+#include <linux/notifier.h>
+#include <linux/delay.h>
 
 #include <asm/page.h>
 #include <asm/div64.h>
@@ -100,6 +103,11 @@
  */
 #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 */
+#ifdef CONFIG_SMP
+#define HAVE_PERCPU_SB	/* per cpu superblock counters are a 2.6 feature */
+#else
+#undef  HAVE_PERCPU_SB	/* per cpu superblock counters are a 2.6 feature */
+#endif
 
 /*
  * State flag for unwritten extent buffers.
@@ -226,7 +234,7 @@ BUFFER_FNS(PrivateStart, unwritten);
 #define xfs_sort(a,n,s,fn)	sort(a,n,s,fn,NULL)
 #define xfs_stack_trace()	dump_stack()
 #define xfs_itruncate_data(ip, off)	\
-	(-vmtruncate(LINVFS_GET_IP(XFS_ITOV(ip)), (off)))
+	(-vmtruncate(vn_to_inode(XFS_ITOV(ip)), (off)))
 #define xfs_statvfs_fsid(statp, mp)	\
 	({ u64 id = huge_encode_dev((mp)->m_ddev_targp->bt_dev); \
 	   __kernel_fsid_t *fsid = &(statp)->f_fsid;	\
diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
index e0ab45fbfebd..0169360475c4 100644
--- a/fs/xfs/linux-2.6/xfs_lrw.c
+++ b/fs/xfs/linux-2.6/xfs_lrw.c
@@ -83,7 +83,7 @@ xfs_rw_enter_trace(
 		(void *)((unsigned long)ioflags),
 		(void *)((unsigned long)((io->io_new_size >> 32) & 0xffffffff)),
 		(void *)((unsigned long)(io->io_new_size & 0xffffffff)),
-		(void *)NULL,
+		(void *)((unsigned long)current_pid()),
 		(void *)NULL,
 		(void *)NULL,
 		(void *)NULL,
@@ -113,7 +113,7 @@ xfs_inval_cached_trace(
 		(void *)((unsigned long)(first & 0xffffffff)),
 		(void *)((unsigned long)((last >> 32) & 0xffffffff)),
 		(void *)((unsigned long)(last & 0xffffffff)),
-		(void *)NULL,
+		(void *)((unsigned long)current_pid()),
 		(void *)NULL,
 		(void *)NULL,
 		(void *)NULL,
@@ -249,9 +249,8 @@ xfs_read(
 	if (n < size)
 		size = n;
 
-	if (XFS_FORCED_SHUTDOWN(mp)) {
+	if (XFS_FORCED_SHUTDOWN(mp))
 		return -EIO;
-	}
 
 	if (unlikely(ioflags & IO_ISDIRECT))
 		mutex_lock(&inode->i_mutex);
@@ -267,10 +266,14 @@ xfs_read(
 					dmflags, &locktype);
 		if (ret) {
 			xfs_iunlock(ip, XFS_IOLOCK_SHARED);
-			goto unlock_isem;
+			goto unlock_mutex;
 		}
 	}
 
+	if (unlikely((ioflags & IO_ISDIRECT) && VN_CACHED(vp)))
+		VOP_FLUSHINVAL_PAGES(vp, ctooff(offtoct(*offset)),
+						-1, FI_REMAPF_LOCKED);
+
 	xfs_rw_enter_trace(XFS_READ_ENTER, &ip->i_iocore,
 				(void *)iovp, segs, *offset, ioflags);
 	ret = __generic_file_aio_read(iocb, iovp, segs, offset);
@@ -281,7 +284,7 @@ xfs_read(
 
 	xfs_iunlock(ip, XFS_IOLOCK_SHARED);
 
-unlock_isem:
+unlock_mutex:
 	if (unlikely(ioflags & IO_ISDIRECT))
 		mutex_unlock(&inode->i_mutex);
 	return ret;
@@ -432,7 +435,7 @@ xfs_zero_eof(
 	xfs_fsize_t	isize,		/* current inode size */
 	xfs_fsize_t	end_size)	/* terminal inode size */
 {
-	struct inode	*ip = LINVFS_GET_IP(vp);
+	struct inode	*ip = vn_to_inode(vp);
 	xfs_fileoff_t	start_zero_fsb;
 	xfs_fileoff_t	end_zero_fsb;
 	xfs_fileoff_t	zero_count_fsb;
@@ -573,7 +576,7 @@ xfs_write(
 	vrwlock_t		locktype;
 	size_t			ocount = 0, count;
 	loff_t			pos;
-	int			need_isem = 1, need_flush = 0;
+	int			need_i_mutex = 1, need_flush = 0;
 
 	XFS_STATS_INC(xs_write_calls);
 
@@ -622,14 +625,14 @@ xfs_write(
 			return XFS_ERROR(-EINVAL);
 
 		if (!VN_CACHED(vp) && pos < i_size_read(inode))
-			need_isem = 0;
+			need_i_mutex = 0;
 
 		if (VN_CACHED(vp))
 			need_flush = 1;
 	}
 
 relock:
-	if (need_isem) {
+	if (need_i_mutex) {
 		iolock = XFS_IOLOCK_EXCL;
 		locktype = VRWLOCK_WRITE;
 
@@ -651,7 +654,7 @@ start:
 					S_ISBLK(inode->i_mode));
 	if (error) {
 		xfs_iunlock(xip, XFS_ILOCK_EXCL|iolock);
-		goto out_unlock_isem;
+		goto out_unlock_mutex;
 	}
 
 	new_size = pos + count;
@@ -663,7 +666,7 @@ start:
 		loff_t		savedsize = pos;
 		int		dmflags = FILP_DELAY_FLAG(file);
 
-		if (need_isem)
+		if (need_i_mutex)
 			dmflags |= DM_FLAGS_IMUX;
 
 		xfs_iunlock(xip, XFS_ILOCK_EXCL);
@@ -672,7 +675,7 @@ start:
 				      dmflags, &locktype);
 		if (error) {
 			xfs_iunlock(xip, iolock);
-			goto out_unlock_isem;
+			goto out_unlock_mutex;
 		}
 		xfs_ilock(xip, XFS_ILOCK_EXCL);
 		eventsent = 1;
@@ -710,7 +713,7 @@ start:
 					isize, pos + count);
 		if (error) {
 			xfs_iunlock(xip, XFS_ILOCK_EXCL|iolock);
-			goto out_unlock_isem;
+			goto out_unlock_mutex;
 		}
 	}
 	xfs_iunlock(xip, XFS_ILOCK_EXCL);
@@ -731,7 +734,7 @@ start:
 			error = -remove_suid(file->f_dentry);
 		if (unlikely(error)) {
 			xfs_iunlock(xip, iolock);
-			goto out_unlock_isem;
+			goto out_unlock_mutex;
 		}
 	}
 
@@ -747,14 +750,14 @@ retry:
 					-1, FI_REMAPF_LOCKED);
 		}
 
-		if (need_isem) {
+		if (need_i_mutex) {
 			/* demote the lock now the cached pages are gone */
 			XFS_ILOCK_DEMOTE(mp, io, XFS_IOLOCK_EXCL);
 			mutex_unlock(&inode->i_mutex);
 
 			iolock = XFS_IOLOCK_SHARED;
 			locktype = VRWLOCK_WRITE_DIRECT;
-			need_isem = 0;
+			need_i_mutex = 0;
 		}
 
  		xfs_rw_enter_trace(XFS_DIOWR_ENTER, io, (void *)iovp, segs,
@@ -772,7 +775,7 @@ retry:
 			pos += ret;
 			count -= ret;
 
-			need_isem = 1;
+			need_i_mutex = 1;
 			ioflags &= ~IO_ISDIRECT;
 			xfs_iunlock(xip, iolock);
 			goto relock;
@@ -794,14 +797,14 @@ retry:
 	    !(ioflags & IO_INVIS)) {
 
 		xfs_rwunlock(bdp, locktype);
-		if (need_isem)
+		if (need_i_mutex)
 			mutex_unlock(&inode->i_mutex);
 		error = XFS_SEND_NAMESP(xip->i_mount, DM_EVENT_NOSPACE, vp,
 				DM_RIGHT_NULL, vp, DM_RIGHT_NULL, NULL, NULL,
 				0, 0, 0); /* Delay flag intentionally  unused */
 		if (error)
 			goto out_nounlocks;
-		if (need_isem)
+		if (need_i_mutex)
 			mutex_lock(&inode->i_mutex);
 		xfs_rwlock(bdp, locktype);
 		pos = xip->i_d.di_size;
@@ -905,9 +908,9 @@ retry:
 			if (error)
 				goto out_unlock_internal;
 		}
-	
+
 		xfs_rwunlock(bdp, locktype);
-		if (need_isem)
+		if (need_i_mutex)
 			mutex_unlock(&inode->i_mutex);
 
 		error = sync_page_range(inode, mapping, pos, ret);
@@ -918,8 +921,8 @@ retry:
 
  out_unlock_internal:
 	xfs_rwunlock(bdp, locktype);
- out_unlock_isem:
-	if (need_isem)
+ out_unlock_mutex:
+	if (need_i_mutex)
 		mutex_unlock(&inode->i_mutex);
  out_nounlocks:
 	return -error;
diff --git a/fs/xfs/linux-2.6/xfs_stats.c b/fs/xfs/linux-2.6/xfs_stats.c
index 8955720a2c6b..713e6a7505d0 100644
--- a/fs/xfs/linux-2.6/xfs_stats.c
+++ b/fs/xfs/linux-2.6/xfs_stats.c
@@ -62,18 +62,15 @@ xfs_read_xfsstats(
 		while (j < xstats[i].endpoint) {
 			val = 0;
 			/* sum over all cpus */
-			for (c = 0; c < NR_CPUS; c++) {
-				if (!cpu_possible(c)) continue;
+			for_each_cpu(c)
 				val += *(((__u32*)&per_cpu(xfsstats, c) + j));
-			}
 			len += sprintf(buffer + len, " %u", val);
 			j++;
 		}
 		buffer[len++] = '\n';
 	}
 	/* extra precision counters */
-	for (i = 0; i < NR_CPUS; i++) {
-		if (!cpu_possible(i)) continue;
+	for_each_cpu(i) {
 		xs_xstrat_bytes += per_cpu(xfsstats, i).xs_xstrat_bytes;
 		xs_write_bytes += per_cpu(xfsstats, i).xs_write_bytes;
 		xs_read_bytes += per_cpu(xfsstats, i).xs_read_bytes;
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index f22e426d9e42..8355faf8ffde 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -59,8 +59,8 @@
 #include <linux/writeback.h>
 #include <linux/kthread.h>
 
-STATIC struct quotactl_ops linvfs_qops;
-STATIC struct super_operations linvfs_sops;
+STATIC struct quotactl_ops xfs_quotactl_operations;
+STATIC struct super_operations xfs_super_operations;
 STATIC kmem_zone_t *xfs_vnode_zone;
 STATIC kmem_zone_t *xfs_ioend_zone;
 mempool_t *xfs_ioend_pool;
@@ -76,8 +76,6 @@ xfs_args_allocate(
 	strncpy(args->fsname, sb->s_id, MAXNAMELEN);
 
 	/* Copy the already-parsed mount(2) flags we're interested in */
-	if (sb->s_flags & MS_NOATIME)
-		args->flags |= XFSMNT_NOATIME;
 	if (sb->s_flags & MS_DIRSYNC)
 		args->flags |= XFSMNT_DIRSYNC;
 	if (sb->s_flags & MS_SYNCHRONOUS)
@@ -129,21 +127,21 @@ xfs_set_inodeops(
 {
 	switch (inode->i_mode & S_IFMT) {
 	case S_IFREG:
-		inode->i_op = &linvfs_file_inode_operations;
-		inode->i_fop = &linvfs_file_operations;
-		inode->i_mapping->a_ops = &linvfs_aops;
+		inode->i_op = &xfs_inode_operations;
+		inode->i_fop = &xfs_file_operations;
+		inode->i_mapping->a_ops = &xfs_address_space_operations;
 		break;
 	case S_IFDIR:
-		inode->i_op = &linvfs_dir_inode_operations;
-		inode->i_fop = &linvfs_dir_operations;
+		inode->i_op = &xfs_dir_inode_operations;
+		inode->i_fop = &xfs_dir_file_operations;
 		break;
 	case S_IFLNK:
-		inode->i_op = &linvfs_symlink_inode_operations;
+		inode->i_op = &xfs_symlink_inode_operations;
 		if (inode->i_blocks)
-			inode->i_mapping->a_ops = &linvfs_aops;
+			inode->i_mapping->a_ops = &xfs_address_space_operations;
 		break;
 	default:
-		inode->i_op = &linvfs_file_inode_operations;
+		inode->i_op = &xfs_inode_operations;
 		init_special_inode(inode, inode->i_mode, inode->i_rdev);
 		break;
 	}
@@ -155,7 +153,7 @@ xfs_revalidate_inode(
 	vnode_t			*vp,
 	xfs_inode_t		*ip)
 {
-	struct inode		*inode = LINVFS_GET_IP(vp);
+	struct inode		*inode = vn_to_inode(vp);
 
 	inode->i_mode	= ip->i_d.di_mode;
 	inode->i_nlink	= ip->i_d.di_nlink;
@@ -212,7 +210,7 @@ xfs_initialize_vnode(
 	int			unlock)
 {
 	xfs_inode_t		*ip = XFS_BHVTOI(inode_bhv);
-	struct inode		*inode = LINVFS_GET_IP(vp);
+	struct inode		*inode = vn_to_inode(vp);
 
 	if (!inode_bhv->bd_vobj) {
 		vp->v_vfsp = bhvtovfs(bdp);
@@ -230,7 +228,7 @@ xfs_initialize_vnode(
 	if (ip->i_d.di_mode != 0 && unlock && (inode->i_state & I_NEW)) {
 		xfs_revalidate_inode(XFS_BHVTOM(bdp), vp, ip);
 		xfs_set_inodeops(inode);
-	
+
 		ip->i_flags &= ~XFS_INEW;
 		barrier();
 
@@ -334,43 +332,42 @@ xfs_blkdev_issue_flush(
 }
 
 STATIC struct inode *
-linvfs_alloc_inode(
+xfs_fs_alloc_inode(
 	struct super_block	*sb)
 {
 	vnode_t			*vp;
 
-	vp = kmem_cache_alloc(xfs_vnode_zone, kmem_flags_convert(KM_SLEEP));
-	if (!vp)
+	vp = kmem_zone_alloc(xfs_vnode_zone, KM_SLEEP);
+	if (unlikely(!vp))
 		return NULL;
-	return LINVFS_GET_IP(vp);
+	return vn_to_inode(vp);
 }
 
 STATIC void
-linvfs_destroy_inode(
+xfs_fs_destroy_inode(
 	struct inode		*inode)
 {
-	kmem_zone_free(xfs_vnode_zone, LINVFS_GET_VP(inode));
+	kmem_zone_free(xfs_vnode_zone, vn_from_inode(inode));
 }
 
 STATIC void
-linvfs_inode_init_once(
-	void			*data,
-	kmem_cache_t		*cachep,
+xfs_fs_inode_init_once(
+	void			*vnode,
+	kmem_zone_t		*zonep,
 	unsigned long		flags)
 {
-	vnode_t			*vp = (vnode_t *)data;
-
 	if ((flags & (SLAB_CTOR_VERIFY|SLAB_CTOR_CONSTRUCTOR)) ==
-	    SLAB_CTOR_CONSTRUCTOR)
-		inode_init_once(LINVFS_GET_IP(vp));
+		      SLAB_CTOR_CONSTRUCTOR)
+		inode_init_once(vn_to_inode((vnode_t *)vnode));
 }
 
 STATIC int
-linvfs_init_zones(void)
+xfs_init_zones(void)
 {
-	xfs_vnode_zone = kmem_cache_create("xfs_vnode",
-				sizeof(vnode_t), 0, SLAB_RECLAIM_ACCOUNT,
-				linvfs_inode_init_once, NULL);
+	xfs_vnode_zone = kmem_zone_init_flags(sizeof(vnode_t), "xfs_vnode_t",
+					KM_ZONE_HWALIGN | KM_ZONE_RECLAIM |
+					KM_ZONE_SPREAD,
+					xfs_fs_inode_init_once);
 	if (!xfs_vnode_zone)
 		goto out;
 
@@ -379,14 +376,12 @@ linvfs_init_zones(void)
 		goto out_destroy_vnode_zone;
 
 	xfs_ioend_pool = mempool_create(4 * MAX_BUF_PER_PAGE,
-			mempool_alloc_slab, mempool_free_slab,
-			xfs_ioend_zone);
+					mempool_alloc_slab, mempool_free_slab,
+					xfs_ioend_zone);
 	if (!xfs_ioend_pool)
 		goto out_free_ioend_zone;
-
 	return 0;
 
-
  out_free_ioend_zone:
 	kmem_zone_destroy(xfs_ioend_zone);
  out_destroy_vnode_zone:
@@ -396,7 +391,7 @@ linvfs_init_zones(void)
 }
 
 STATIC void
-linvfs_destroy_zones(void)
+xfs_destroy_zones(void)
 {
 	mempool_destroy(xfs_ioend_pool);
 	kmem_zone_destroy(xfs_vnode_zone);
@@ -407,14 +402,14 @@ linvfs_destroy_zones(void)
  * Attempt to flush the inode, this will actually fail
  * if the inode is pinned, but we dirty the inode again
  * at the point when it is unpinned after a log write,
- * since this is when the inode itself becomes flushable. 
+ * since this is when the inode itself becomes flushable.
  */
 STATIC int
-linvfs_write_inode(
+xfs_fs_write_inode(
 	struct inode		*inode,
 	int			sync)
 {
-	vnode_t			*vp = LINVFS_GET_VP(inode);
+	vnode_t			*vp = vn_from_inode(inode);
 	int			error = 0, flags = FLUSH_INODE;
 
 	if (vp) {
@@ -434,13 +429,13 @@ linvfs_write_inode(
 }
 
 STATIC void
-linvfs_clear_inode(
+xfs_fs_clear_inode(
 	struct inode		*inode)
 {
-	vnode_t			*vp = LINVFS_GET_VP(inode);
+	vnode_t			*vp = vn_from_inode(inode);
 	int			error, cache;
 
-	vn_trace_entry(vp, "clear_inode", (inst_t *)__return_address);
+	vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
 
 	XFS_STATS_INC(vn_rele);
 	XFS_STATS_INC(vn_remove);
@@ -516,7 +511,7 @@ void
 xfs_flush_inode(
 	xfs_inode_t	*ip)
 {
-	struct inode	*inode = LINVFS_GET_IP(XFS_ITOV(ip));
+	struct inode	*inode = vn_to_inode(XFS_ITOV(ip));
 	struct vfs	*vfs = XFS_MTOVFS(ip->i_mount);
 
 	igrab(inode);
@@ -541,7 +536,7 @@ void
 xfs_flush_device(
 	xfs_inode_t	*ip)
 {
-	struct inode	*inode = LINVFS_GET_IP(XFS_ITOV(ip));
+	struct inode	*inode = vn_to_inode(XFS_ITOV(ip));
 	struct vfs	*vfs = XFS_MTOVFS(ip->i_mount);
 
 	igrab(inode);
@@ -550,7 +545,7 @@ xfs_flush_device(
 	xfs_log_force(ip->i_mount, (xfs_lsn_t)0, XFS_LOG_FORCE|XFS_LOG_SYNC);
 }
 
-#define SYNCD_FLAGS	(SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR)
+#define SYNCD_FLAGS	(SYNC_FSDATA|SYNC_BDFLUSH|SYNC_ATTR|SYNC_REFCACHE)
 STATIC void
 vfs_sync_worker(
 	vfs_t		*vfsp,
@@ -613,7 +608,7 @@ xfssyncd(
 }
 
 STATIC int
-linvfs_start_syncd(
+xfs_fs_start_syncd(
 	vfs_t			*vfsp)
 {
 	vfsp->vfs_sync_work.w_syncer = vfs_sync_worker;
@@ -625,20 +620,20 @@ linvfs_start_syncd(
 }
 
 STATIC void
-linvfs_stop_syncd(
+xfs_fs_stop_syncd(
 	vfs_t			*vfsp)
 {
 	kthread_stop(vfsp->vfs_sync_task);
 }
 
 STATIC void
-linvfs_put_super(
+xfs_fs_put_super(
 	struct super_block	*sb)
 {
-	vfs_t			*vfsp = LINVFS_GET_VFS(sb);
+	vfs_t			*vfsp = vfs_from_sb(sb);
 	int			error;
 
-	linvfs_stop_syncd(vfsp);
+	xfs_fs_stop_syncd(vfsp);
 	VFS_SYNC(vfsp, SYNC_ATTR|SYNC_DELWRI, NULL, error);
 	if (!error)
 		VFS_UNMOUNT(vfsp, 0, NULL, error);
@@ -652,10 +647,10 @@ linvfs_put_super(
 }
 
 STATIC void
-linvfs_write_super(
+xfs_fs_write_super(
 	struct super_block	*sb)
 {
-	vfs_t			*vfsp = LINVFS_GET_VFS(sb);
+	vfs_t			*vfsp = vfs_from_sb(sb);
 	int			error;
 
 	if (sb->s_flags & MS_RDONLY) {
@@ -668,11 +663,11 @@ linvfs_write_super(
 }
 
 STATIC int
-linvfs_sync_super(
+xfs_fs_sync_super(
 	struct super_block	*sb,
 	int			wait)
 {
-	vfs_t		*vfsp = LINVFS_GET_VFS(sb);
+	vfs_t		*vfsp = vfs_from_sb(sb);
 	int		error;
 	int		flags = SYNC_FSDATA;
 
@@ -707,11 +702,11 @@ linvfs_sync_super(
 }
 
 STATIC int
-linvfs_statfs(
+xfs_fs_statfs(
 	struct super_block	*sb,
 	struct kstatfs		*statp)
 {
-	vfs_t			*vfsp = LINVFS_GET_VFS(sb);
+	vfs_t			*vfsp = vfs_from_sb(sb);
 	int			error;
 
 	VFS_STATVFS(vfsp, statp, NULL, error);
@@ -719,12 +714,12 @@ linvfs_statfs(
 }
 
 STATIC int
-linvfs_remount(
+xfs_fs_remount(
 	struct super_block	*sb,
 	int			*flags,
 	char			*options)
 {
-	vfs_t			*vfsp = LINVFS_GET_VFS(sb);
+	vfs_t			*vfsp = vfs_from_sb(sb);
 	struct xfs_mount_args	*args = xfs_args_allocate(sb);
 	int			error;
 
@@ -736,18 +731,18 @@ linvfs_remount(
 }
 
 STATIC void
-linvfs_freeze_fs(
+xfs_fs_lockfs(
 	struct super_block	*sb)
 {
-	VFS_FREEZE(LINVFS_GET_VFS(sb));
+	VFS_FREEZE(vfs_from_sb(sb));
 }
 
 STATIC int
-linvfs_show_options(
+xfs_fs_show_options(
 	struct seq_file		*m,
 	struct vfsmount		*mnt)
 {
-	struct vfs		*vfsp = LINVFS_GET_VFS(mnt->mnt_sb);
+	struct vfs		*vfsp = vfs_from_sb(mnt->mnt_sb);
 	int			error;
 
 	VFS_SHOWARGS(vfsp, m, error);
@@ -755,11 +750,11 @@ linvfs_show_options(
 }
 
 STATIC int
-linvfs_quotasync(
+xfs_fs_quotasync(
 	struct super_block	*sb,
 	int			type)
 {
-	struct vfs		*vfsp = LINVFS_GET_VFS(sb);
+	struct vfs		*vfsp = vfs_from_sb(sb);
 	int			error;
 
 	VFS_QUOTACTL(vfsp, Q_XQUOTASYNC, 0, (caddr_t)NULL, error);
@@ -767,11 +762,11 @@ linvfs_quotasync(
 }
 
 STATIC int
-linvfs_getxstate(
+xfs_fs_getxstate(
 	struct super_block	*sb,
 	struct fs_quota_stat	*fqs)
 {
-	struct vfs		*vfsp = LINVFS_GET_VFS(sb);
+	struct vfs		*vfsp = vfs_from_sb(sb);
 	int			error;
 
 	VFS_QUOTACTL(vfsp, Q_XGETQSTAT, 0, (caddr_t)fqs, error);
@@ -779,12 +774,12 @@ linvfs_getxstate(
 }
 
 STATIC int
-linvfs_setxstate(
+xfs_fs_setxstate(
 	struct super_block	*sb,
 	unsigned int		flags,
 	int			op)
 {
-	struct vfs		*vfsp = LINVFS_GET_VFS(sb);
+	struct vfs		*vfsp = vfs_from_sb(sb);
 	int			error;
 
 	VFS_QUOTACTL(vfsp, op, 0, (caddr_t)&flags, error);
@@ -792,13 +787,13 @@ linvfs_setxstate(
 }
 
 STATIC int
-linvfs_getxquota(
+xfs_fs_getxquota(
 	struct super_block	*sb,
 	int			type,
 	qid_t			id,
 	struct fs_disk_quota	*fdq)
 {
-	struct vfs		*vfsp = LINVFS_GET_VFS(sb);
+	struct vfs		*vfsp = vfs_from_sb(sb);
 	int			error, getmode;
 
 	getmode = (type == USRQUOTA) ? Q_XGETQUOTA :
@@ -808,13 +803,13 @@ linvfs_getxquota(
 }
 
 STATIC int
-linvfs_setxquota(
+xfs_fs_setxquota(
 	struct super_block	*sb,
 	int			type,
 	qid_t			id,
 	struct fs_disk_quota	*fdq)
 {
-	struct vfs		*vfsp = LINVFS_GET_VFS(sb);
+	struct vfs		*vfsp = vfs_from_sb(sb);
 	int			error, setmode;
 
 	setmode = (type == USRQUOTA) ? Q_XSETQLIM :
@@ -824,21 +819,17 @@ linvfs_setxquota(
 }
 
 STATIC int
-linvfs_fill_super(
+xfs_fs_fill_super(
 	struct super_block	*sb,
 	void			*data,
 	int			silent)
 {
 	vnode_t			*rootvp;
-	struct vfs		*vfsp = vfs_allocate();
+	struct vfs		*vfsp = vfs_allocate(sb);
 	struct xfs_mount_args	*args = xfs_args_allocate(sb);
 	struct kstatfs		statvfs;
 	int			error, error2;
 
-	vfsp->vfs_super = sb;
-	LINVFS_SET_VFS(sb, vfsp);
-	if (sb->s_flags & MS_RDONLY)
-		vfsp->vfs_flag |= VFS_RDONLY;
 	bhv_insert_all_vfsops(vfsp);
 
 	VFS_PARSEARGS(vfsp, (char *)data, args, 0, error);
@@ -849,10 +840,10 @@ linvfs_fill_super(
 
 	sb_min_blocksize(sb, BBSIZE);
 #ifdef CONFIG_XFS_EXPORT
-	sb->s_export_op = &linvfs_export_ops;
+	sb->s_export_op = &xfs_export_operations;
 #endif
-	sb->s_qcop = &linvfs_qops;
-	sb->s_op = &linvfs_sops;
+	sb->s_qcop = &xfs_quotactl_operations;
+	sb->s_op = &xfs_super_operations;
 
 	VFS_MOUNT(vfsp, args, NULL, error);
 	if (error) {
@@ -876,7 +867,7 @@ linvfs_fill_super(
 	if (error)
 		goto fail_unmount;
 
-	sb->s_root = d_alloc_root(LINVFS_GET_IP(rootvp));
+	sb->s_root = d_alloc_root(vn_to_inode(rootvp));
 	if (!sb->s_root) {
 		error = ENOMEM;
 		goto fail_vnrele;
@@ -885,7 +876,7 @@ linvfs_fill_super(
 		error = EINVAL;
 		goto fail_vnrele;
 	}
-	if ((error = linvfs_start_syncd(vfsp)))
+	if ((error = xfs_fs_start_syncd(vfsp)))
 		goto fail_vnrele;
 	vn_trace_exit(rootvp, __FUNCTION__, (inst_t *)__return_address);
 
@@ -910,41 +901,41 @@ fail_vfsop:
 }
 
 STATIC struct super_block *
-linvfs_get_sb(
+xfs_fs_get_sb(
 	struct file_system_type	*fs_type,
 	int			flags,
 	const char		*dev_name,
 	void			*data)
 {
-	return get_sb_bdev(fs_type, flags, dev_name, data, linvfs_fill_super);
-}
-
-STATIC struct super_operations linvfs_sops = {
-	.alloc_inode		= linvfs_alloc_inode,
-	.destroy_inode		= linvfs_destroy_inode,
-	.write_inode		= linvfs_write_inode,
-	.clear_inode		= linvfs_clear_inode,
-	.put_super		= linvfs_put_super,
-	.write_super		= linvfs_write_super,
-	.sync_fs		= linvfs_sync_super,
-	.write_super_lockfs	= linvfs_freeze_fs,
-	.statfs			= linvfs_statfs,
-	.remount_fs		= linvfs_remount,
-	.show_options		= linvfs_show_options,
+	return get_sb_bdev(fs_type, flags, dev_name, data, xfs_fs_fill_super);
+}
+
+STATIC struct super_operations xfs_super_operations = {
+	.alloc_inode		= xfs_fs_alloc_inode,
+	.destroy_inode		= xfs_fs_destroy_inode,
+	.write_inode		= xfs_fs_write_inode,
+	.clear_inode		= xfs_fs_clear_inode,
+	.put_super		= xfs_fs_put_super,
+	.write_super		= xfs_fs_write_super,
+	.sync_fs		= xfs_fs_sync_super,
+	.write_super_lockfs	= xfs_fs_lockfs,
+	.statfs			= xfs_fs_statfs,
+	.remount_fs		= xfs_fs_remount,
+	.show_options		= xfs_fs_show_options,
 };
 
-STATIC struct quotactl_ops linvfs_qops = {
-	.quota_sync		= linvfs_quotasync,
-	.get_xstate		= linvfs_getxstate,
-	.set_xstate		= linvfs_setxstate,
-	.get_xquota		= linvfs_getxquota,
-	.set_xquota		= linvfs_setxquota,
+STATIC struct quotactl_ops xfs_quotactl_operations = {
+	.quota_sync		= xfs_fs_quotasync,
+	.get_xstate		= xfs_fs_getxstate,
+	.set_xstate		= xfs_fs_setxstate,
+	.get_xquota		= xfs_fs_getxquota,
+	.set_xquota		= xfs_fs_setxquota,
 };
 
 STATIC struct file_system_type xfs_fs_type = {
 	.owner			= THIS_MODULE,
 	.name			= "xfs",
-	.get_sb			= linvfs_get_sb,
+	.get_sb			= xfs_fs_get_sb,
 	.kill_sb		= kill_block_super,
 	.fs_flags		= FS_REQUIRES_DEV,
 };
@@ -965,7 +956,7 @@ init_xfs_fs( void )
 
 	ktrace_init(64);
 
-	error = linvfs_init_zones();
+	error = xfs_init_zones();
 	if (error < 0)
 		goto undo_zones;
 
@@ -981,14 +972,13 @@ init_xfs_fs( void )
 	error = register_filesystem(&xfs_fs_type);
 	if (error)
 		goto undo_register;
-	XFS_DM_INIT(&xfs_fs_type);
 	return 0;
 
 undo_register:
 	xfs_buf_terminate();
 
 undo_buffers:
-	linvfs_destroy_zones();
+	xfs_destroy_zones();
 
 undo_zones:
 	return error;
@@ -998,11 +988,10 @@ STATIC void __exit
 exit_xfs_fs( void )
 {
 	vfs_exitquota();
-	XFS_DM_EXIT(&xfs_fs_type);
 	unregister_filesystem(&xfs_fs_type);
 	xfs_cleanup();
 	xfs_buf_terminate();
-	linvfs_destroy_zones();
+	xfs_destroy_zones();
 	ktrace_uninit();
 }
 
diff --git a/fs/xfs/linux-2.6/xfs_super.h b/fs/xfs/linux-2.6/xfs_super.h
index df59408dca06..376b96cb513a 100644
--- a/fs/xfs/linux-2.6/xfs_super.h
+++ b/fs/xfs/linux-2.6/xfs_super.h
@@ -98,11 +98,6 @@ extern void xfs_qm_exit(void);
 				XFS_DMAPI_STRING \
 				XFS_DBG_STRING /* DBG must be last */
 
-#define LINVFS_GET_VFS(s) \
-	(vfs_t *)((s)->s_fs_info)
-#define LINVFS_SET_VFS(s, vfsp) \
-	((s)->s_fs_info = vfsp)
-
 struct xfs_inode;
 struct xfs_mount;
 struct xfs_buftarg;
@@ -120,6 +115,6 @@ extern int  xfs_blkdev_get(struct xfs_mount *, const char *,
 extern void xfs_blkdev_put(struct block_device *);
 extern void xfs_blkdev_issue_flush(struct xfs_buftarg *);
 
-extern struct export_operations linvfs_export_ops;
+extern struct export_operations xfs_export_operations;
 
 #endif	/* __XFS_SUPER_H__ */
diff --git a/fs/xfs/linux-2.6/xfs_sysctl.c b/fs/xfs/linux-2.6/xfs_sysctl.c
index a02564972420..7079cc837210 100644
--- a/fs/xfs/linux-2.6/xfs_sysctl.c
+++ b/fs/xfs/linux-2.6/xfs_sysctl.c
@@ -38,8 +38,7 @@ xfs_stats_clear_proc_handler(
 
 	if (!ret && write && *valp) {
 		printk("XFS Clearing xfsstats\n");
-		for (c = 0; c < NR_CPUS; c++) {
-			if (!cpu_possible(c)) continue;
+		for_each_cpu(c) {
 			preempt_disable();
 			/* save vn_active, it's a universal truth! */
 			vn_active = per_cpu(xfsstats, c).vn_active;
diff --git a/fs/xfs/linux-2.6/xfs_vfs.c b/fs/xfs/linux-2.6/xfs_vfs.c
index c855d62e5344..6f7c9f7a8624 100644
--- a/fs/xfs/linux-2.6/xfs_vfs.c
+++ b/fs/xfs/linux-2.6/xfs_vfs.c
@@ -227,7 +227,8 @@ vfs_freeze(
 }
 
 vfs_t *
-vfs_allocate( void )
+vfs_allocate(
+	struct super_block	*sb)
 {
 	struct vfs		*vfsp;
 
@@ -236,9 +237,23 @@ vfs_allocate( void )
 	INIT_LIST_HEAD(&vfsp->vfs_sync_list);
 	spin_lock_init(&vfsp->vfs_sync_lock);
 	init_waitqueue_head(&vfsp->vfs_wait_single_sync_task);
+
+	vfsp->vfs_super = sb;
+	sb->s_fs_info = vfsp;
+
+	if (sb->s_flags & MS_RDONLY)
+		vfsp->vfs_flag |= VFS_RDONLY;
+
 	return vfsp;
 }
 
+vfs_t *
+vfs_from_sb(
+	struct super_block	*sb)
+{
+	return (vfs_t *)sb->s_fs_info;
+}
+
 void
 vfs_deallocate(
 	struct vfs		*vfsp)
@@ -295,7 +310,7 @@ bhv_remove_all_vfsops(
 	bhv_remove_vfsops(vfsp, VFS_POSITION_DM);
 	if (!freebase)
 		return;
-	mp = XFS_BHVTOM(bhv_lookup(VFS_BHVHEAD(vfsp), &xfs_vfsops));
+	mp = XFS_VFSTOM(vfsp);
 	VFS_REMOVEBHV(vfsp, &mp->m_bhv);
 	xfs_mount_free(mp, 0);
 }
diff --git a/fs/xfs/linux-2.6/xfs_vfs.h b/fs/xfs/linux-2.6/xfs_vfs.h
index 57caf9eddee0..8fed356db055 100644
--- a/fs/xfs/linux-2.6/xfs_vfs.h
+++ b/fs/xfs/linux-2.6/xfs_vfs.h
@@ -193,7 +193,8 @@ typedef struct bhv_vfsops {
 #define vfs_bhv_set_custom(b,o)	( (b)->bhv_custom = (void *)(o))
 #define vfs_bhv_clr_custom(b)	( (b)->bhv_custom = NULL )
 
-extern vfs_t *vfs_allocate(void);
+extern vfs_t *vfs_allocate(struct super_block *);
+extern vfs_t *vfs_from_sb(struct super_block *);
 extern void vfs_deallocate(vfs_t *);
 extern void vfs_insertops(vfs_t *, bhv_vfsops_t *);
 extern void vfs_insertbhv(vfs_t *, bhv_desc_t *, vfsops_t *, void *);
diff --git a/fs/xfs/linux-2.6/xfs_vnode.c b/fs/xfs/linux-2.6/xfs_vnode.c
index 260dd8415dd7..d27c25b27ccd 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.c
+++ b/fs/xfs/linux-2.6/xfs_vnode.c
@@ -58,7 +58,7 @@ struct vnode *
 vn_initialize(
 	struct inode	*inode)
 {
-	struct vnode	*vp = LINVFS_GET_VP(inode);
+	struct vnode	*vp = vn_from_inode(inode);
 
 	XFS_STATS_INC(vn_active);
 	XFS_STATS_INC(vn_alloc);
@@ -83,7 +83,7 @@ vn_initialize(
 	vp->v_trace = ktrace_alloc(VNODE_TRACE_SIZE, KM_SLEEP);
 #endif	/* XFS_VNODE_TRACE */
 
-	vn_trace_exit(vp, "vn_initialize", (inst_t *)__return_address);
+	vn_trace_exit(vp, __FUNCTION__, (inst_t *)__return_address);
 	return vp;
 }
 
@@ -97,7 +97,7 @@ vn_revalidate_core(
 	struct vnode	*vp,
 	vattr_t		*vap)
 {
-	struct inode	*inode = LINVFS_GET_IP(vp);
+	struct inode	*inode = vn_to_inode(vp);
 
 	inode->i_mode	    = vap->va_mode;
 	inode->i_nlink	    = vap->va_nlink;
@@ -129,24 +129,31 @@ vn_revalidate_core(
  * Revalidate the Linux inode from the vnode.
  */
 int
-vn_revalidate(
-	struct vnode	*vp)
+__vn_revalidate(
+	struct vnode	*vp,
+	struct vattr	*vattr)
 {
-	vattr_t		va;
 	int		error;
 
-	vn_trace_entry(vp, "vn_revalidate", (inst_t *)__return_address);
-	ASSERT(vp->v_fbhv != NULL);
-
-	va.va_mask = XFS_AT_STAT|XFS_AT_XFLAGS;
-	VOP_GETATTR(vp, &va, 0, NULL, error);
-	if (!error) {
-		vn_revalidate_core(vp, &va);
+	vn_trace_entry(vp, __FUNCTION__, (inst_t *)__return_address);
+	vattr->va_mask = XFS_AT_STAT | XFS_AT_XFLAGS;
+	VOP_GETATTR(vp, vattr, 0, NULL, error);
+	if (likely(!error)) {
+		vn_revalidate_core(vp, vattr);
 		VUNMODIFY(vp);
 	}
 	return -error;
 }
 
+int
+vn_revalidate(
+	struct vnode	*vp)
+{
+	vattr_t		vattr;
+
+	return __vn_revalidate(vp, &vattr);
+}
+
 /*
  * Add a reference to a referenced vnode.
  */
@@ -159,7 +166,7 @@ vn_hold(
 	XFS_STATS_INC(vn_hold);
 
 	VN_LOCK(vp);
-	inode = igrab(LINVFS_GET_IP(vp));
+	inode = igrab(vn_to_inode(vp));
 	ASSERT(inode);
 	VN_UNLOCK(vp, 0);
 
diff --git a/fs/xfs/linux-2.6/xfs_vnode.h b/fs/xfs/linux-2.6/xfs_vnode.h
index 0fe2419461d6..06f5845e9568 100644
--- a/fs/xfs/linux-2.6/xfs_vnode.h
+++ b/fs/xfs/linux-2.6/xfs_vnode.h
@@ -116,8 +116,14 @@ typedef enum {
 /*
  * Vnode to Linux inode mapping.
  */
-#define LINVFS_GET_VP(inode)	((vnode_t *)list_entry(inode, vnode_t, v_inode))
-#define LINVFS_GET_IP(vp)	(&(vp)->v_inode)
+static inline struct vnode *vn_from_inode(struct inode *inode)
+{
+	return (vnode_t *)list_entry(inode, vnode_t, v_inode);
+}
+static inline struct inode *vn_to_inode(struct vnode *vnode)
+{
+	return &vnode->v_inode;
+}
 
 /*
  * Vnode flags.
@@ -490,6 +496,7 @@ typedef struct vnode_map {
 			 (vmap).v_ino	 = (vp)->v_inode.i_ino; }
 
 extern int	vn_revalidate(struct vnode *);
+extern int	__vn_revalidate(struct vnode *, vattr_t *);
 extern void	vn_revalidate_core(struct vnode *, vattr_t *);
 
 extern void	vn_iowait(struct vnode *vp);
@@ -497,7 +504,7 @@ extern void	vn_iowake(struct vnode *vp);
 
 static inline int vn_count(struct vnode *vp)
 {
-	return atomic_read(&LINVFS_GET_IP(vp)->i_count);
+	return atomic_read(&vn_to_inode(vp)->i_count);
 }
 
 /*
@@ -511,16 +518,16 @@ extern vnode_t	*vn_hold(struct vnode *);
 	  vn_trace_hold(vp, __FILE__, __LINE__, (inst_t *)__return_address))
 #define VN_RELE(vp)		\
 	  (vn_trace_rele(vp, __FILE__, __LINE__, (inst_t *)__return_address), \
-	   iput(LINVFS_GET_IP(vp)))
+	   iput(vn_to_inode(vp)))
 #else
 #define VN_HOLD(vp)		((void)vn_hold(vp))
-#define VN_RELE(vp)		(iput(LINVFS_GET_IP(vp)))
+#define VN_RELE(vp)		(iput(vn_to_inode(vp)))
 #endif
 
 static inline struct vnode *vn_grab(struct vnode *vp)
 {
-	struct inode *inode = igrab(LINVFS_GET_IP(vp));
-	return inode ? LINVFS_GET_VP(inode) : NULL;
+	struct inode *inode = igrab(vn_to_inode(vp));
+	return inode ? vn_from_inode(inode) : NULL;
 }
 
 /*
@@ -528,7 +535,7 @@ static inline struct vnode *vn_grab(struct vnode *vp)
  */
 #define VNAME(dentry)		((char *) (dentry)->d_name.name)
 #define VNAMELEN(dentry)	((dentry)->d_name.len)
-#define VNAME_TO_VNODE(dentry)	(LINVFS_GET_VP((dentry)->d_inode))
+#define VNAME_TO_VNODE(dentry)	(vn_from_inode((dentry)->d_inode))
 
 /*
  * Vnode spinlock manipulation.
@@ -557,12 +564,12 @@ static __inline__ void vn_flagclr(struct vnode *vp, uint flag)
  */
 static inline void vn_mark_bad(struct vnode *vp)
 {
-	make_bad_inode(LINVFS_GET_IP(vp));
+	make_bad_inode(vn_to_inode(vp));
 }
 
 static inline int VN_BAD(struct vnode *vp)
 {
-	return is_bad_inode(LINVFS_GET_IP(vp));
+	return is_bad_inode(vn_to_inode(vp));
 }
 
 /*
@@ -587,9 +594,9 @@ static inline void vn_atime_to_time_t(struct vnode *vp, time_t *tt)
 /*
  * Some useful predicates.
  */
-#define VN_MAPPED(vp)	mapping_mapped(LINVFS_GET_IP(vp)->i_mapping)
-#define VN_CACHED(vp)	(LINVFS_GET_IP(vp)->i_mapping->nrpages)
-#define VN_DIRTY(vp)	mapping_tagged(LINVFS_GET_IP(vp)->i_mapping, \
+#define VN_MAPPED(vp)	mapping_mapped(vn_to_inode(vp)->i_mapping)
+#define VN_CACHED(vp)	(vn_to_inode(vp)->i_mapping->nrpages)
+#define VN_DIRTY(vp)	mapping_tagged(vn_to_inode(vp)->i_mapping, \
 					PAGECACHE_TAG_DIRTY)
 #define VMODIFY(vp)	VN_FLAGSET(vp, VMODIFIED)
 #define VUNMODIFY(vp)	VN_FLAGCLR(vp, VMODIFIED)