Merge branch 'master' of git://git.kernel.org/pub/scm/fs/xfs/xfs

38 files changed, 204 insertions, 292 deletions

diff --git a/fs/xfs/linux-2.6/mutex.h b/fs/xfs/linux-2.6/mutex.h
deleted file mode 100644
index 2a88d56c4dc..00000000000
--- a/fs/xfs/linux-2.6/mutex.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-#ifndef __XFS_SUPPORT_MUTEX_H__
-#define __XFS_SUPPORT_MUTEX_H__
-
-#include <linux/mutex.h>
-
-typedef struct mutex mutex_t;
-
-#endif /* __XFS_SUPPORT_MUTEX_H__ */
diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index de3a198f771..c13f67300fe 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -1623,4 +1623,5 @@ const struct address_space_operations xfs_address_space_operations = {
 	.bmap			= xfs_vm_bmap,
 	.direct_IO		= xfs_vm_direct_IO,
 	.migratepage		= buffer_migrate_page,
+	.is_partially_uptodate  = block_is_partially_uptodate,
 };
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index e103b05dc77..631d0137551 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -541,9 +541,6 @@ xfs_vn_getattr(
 	stat->uid = ip->i_d.di_uid;
 	stat->gid = ip->i_d.di_gid;
 	stat->ino = ip->i_ino;
-#if XFS_BIG_INUMS
-	stat->ino += mp->m_inoadd;
-#endif
 	stat->atime = inode->i_atime;
 	stat->mtime.tv_sec = ip->i_d.di_mtime.t_sec;
 	stat->mtime.tv_nsec = ip->i_d.di_mtime.t_nsec;
diff --git a/fs/xfs/linux-2.6/xfs_linux.h b/fs/xfs/linux-2.6/xfs_linux.h
index fc8d776ba05..f65a53f8752 100644
--- a/fs/xfs/linux-2.6/xfs_linux.h
+++ b/fs/xfs/linux-2.6/xfs_linux.h
@@ -38,7 +38,6 @@
 #include <kmem.h>
 #include <mrlock.h>
 #include <sv.h>
-#include <mutex.h>
 #include <time.h>
 
 #include <support/ktrace.h>
@@ -51,6 +50,7 @@
 #include <linux/blkdev.h>
 #include <linux/slab.h>
 #include <linux/module.h>
+#include <linux/mutex.h>
 #include <linux/file.h>
 #include <linux/swap.h>
 #include <linux/errno.h>
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 9f974f4b330..bb685269f83 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -78,7 +78,6 @@ mempool_t *xfs_ioend_pool;
 #define MNTOPT_RTDEV	"rtdev"		/* realtime I/O device */
 #define MNTOPT_BIOSIZE	"biosize"	/* log2 of preferred buffered io size */
 #define MNTOPT_WSYNC	"wsync"		/* safe-mode nfs compatible mount */
-#define MNTOPT_INO64	"ino64"		/* force inodes into 64-bit range */
 #define MNTOPT_NOALIGN	"noalign"	/* turn off stripe alignment */
 #define MNTOPT_SWALLOC	"swalloc"	/* turn on stripe width allocation */
 #define MNTOPT_SUNIT	"sunit"		/* data volume stripe unit */
@@ -290,16 +289,6 @@ xfs_parseargs(
 			mp->m_flags |= XFS_MOUNT_OSYNCISOSYNC;
 		} else if (!strcmp(this_char, MNTOPT_NORECOVERY)) {
 			mp->m_flags |= XFS_MOUNT_NORECOVERY;
-		} else if (!strcmp(this_char, MNTOPT_INO64)) {
-#if XFS_BIG_INUMS
-			mp->m_flags |= XFS_MOUNT_INO64;
-			mp->m_inoadd = XFS_INO64_OFFSET;
-#else
-			cmn_err(CE_WARN,
-				"XFS: %s option not allowed on this system",
-				this_char);
-			return EINVAL;
-#endif
 		} else if (!strcmp(this_char, MNTOPT_NOALIGN)) {
 			mp->m_flags |= XFS_MOUNT_NOALIGN;
 		} else if (!strcmp(this_char, MNTOPT_SWALLOC)) {
@@ -528,7 +517,6 @@ xfs_showargs(
 		/* the few simple ones we can get from the mount struct */
 		{ XFS_MOUNT_IKEEP,		"," MNTOPT_IKEEP },
 		{ XFS_MOUNT_WSYNC,		"," MNTOPT_WSYNC },
-		{ XFS_MOUNT_INO64,		"," MNTOPT_INO64 },
 		{ XFS_MOUNT_NOALIGN,		"," MNTOPT_NOALIGN },
 		{ XFS_MOUNT_SWALLOC,		"," MNTOPT_SWALLOC },
 		{ XFS_MOUNT_NOUUID,		"," MNTOPT_NOUUID },
@@ -1199,18 +1187,12 @@ xfs_fs_statfs(
 	statp->f_bfree = statp->f_bavail =
 				sbp->sb_fdblocks - XFS_ALLOC_SET_ASIDE(mp);
 	fakeinos = statp->f_bfree << sbp->sb_inopblog;
-#if XFS_BIG_INUMS
-	fakeinos += mp->m_inoadd;
-#endif
 	statp->f_files =
 	    MIN(sbp->sb_icount + fakeinos, (__uint64_t)XFS_MAXINUMBER);
 	if (mp->m_maxicount)
-#if XFS_BIG_INUMS
-		if (!mp->m_inoadd)
-#endif
-			statp->f_files = min_t(typeof(statp->f_files),
-						statp->f_files,
-						mp->m_maxicount);
+		statp->f_files = min_t(typeof(statp->f_files),
+					statp->f_files,
+					mp->m_maxicount);
 	statp->f_ffree = statp->f_files - (sbp->sb_icount - sbp->sb_ifree);
 	spin_unlock(&mp->m_sb_lock);
 
diff --git a/fs/xfs/quota/xfs_dquot.h b/fs/xfs/quota/xfs_dquot.h
index d1f726e0e5a..de0f402ddb4 100644
--- a/fs/xfs/quota/xfs_dquot.h
+++ b/fs/xfs/quota/xfs_dquot.h
@@ -34,7 +34,7 @@
  */
 typedef struct xfs_dqhash {
 	struct xfs_dquot *qh_next;
-	mutex_t		  qh_lock;
+	struct mutex	  qh_lock;
 	uint		  qh_version;	/* ever increasing version */
 	uint		  qh_nelems;	/* number of dquots on the list */
 } xfs_dqhash_t;
@@ -81,7 +81,7 @@ typedef struct xfs_dquot {
 	xfs_qcnt_t	 q_res_bcount;	/* total regular nblks used+reserved */
 	xfs_qcnt_t	 q_res_icount;	/* total inos allocd+reserved */
 	xfs_qcnt_t	 q_res_rtbcount;/* total realtime blks used+reserved */
-	mutex_t		 q_qlock;	/* quota lock */
+	struct mutex	 q_qlock;	/* quota lock */
 	struct completion q_flush;	/* flush completion queue */
 	atomic_t          q_pincount;	/* dquot pin count */
 	wait_queue_head_t q_pinwait;	/* dquot pinning wait queue */
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index 11d0a4f89a0..5b6695049e0 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -55,7 +55,7 @@
  * quota functionality, including maintaining the freelist and hash
  * tables of dquots.
  */
-mutex_t		xfs_Gqm_lock;
+struct mutex	xfs_Gqm_lock;
 struct xfs_qm	*xfs_Gqm;
 uint		ndquot;
 
@@ -80,7 +80,7 @@ static struct shrinker xfs_qm_shaker = {
 };
 
 #ifdef DEBUG
-extern mutex_t	qcheck_lock;
+extern struct mutex	qcheck_lock;
 #endif
 
 #ifdef QUOTADEBUG
diff --git a/fs/xfs/quota/xfs_qm.h b/fs/xfs/quota/xfs_qm.h
index 933df4204fc..a371954cae1 100644
--- a/fs/xfs/quota/xfs_qm.h
+++ b/fs/xfs/quota/xfs_qm.h
@@ -27,7 +27,7 @@ struct xfs_qm;
 struct xfs_inode;
 
 extern uint		ndquot;
-extern mutex_t		xfs_Gqm_lock;
+extern struct mutex	xfs_Gqm_lock;
 extern struct xfs_qm	*xfs_Gqm;
 extern kmem_zone_t	*qm_dqzone;
 extern kmem_zone_t	*qm_dqtrxzone;
@@ -79,7 +79,7 @@ typedef xfs_dqhash_t	xfs_dqlist_t;
 typedef struct xfs_frlist {
        struct xfs_dquot *qh_next;
        struct xfs_dquot *qh_prev;
-       mutex_t		 qh_lock;
+       struct mutex	 qh_lock;
        uint		 qh_version;
        uint		 qh_nelems;
 } xfs_frlist_t;
@@ -115,7 +115,7 @@ typedef struct xfs_quotainfo {
 	xfs_qwarncnt_t	 qi_bwarnlimit;	 /* limit for blks warnings */
 	xfs_qwarncnt_t	 qi_iwarnlimit;	 /* limit for inodes warnings */
 	xfs_qwarncnt_t	 qi_rtbwarnlimit;/* limit for rt blks warnings */
-	mutex_t		 qi_quotaofflock;/* to serialize quotaoff */
+	struct mutex	 qi_quotaofflock;/* to serialize quotaoff */
 	xfs_filblks_t	 qi_dqchunklen;	 /* # BBs in a chunk of dqs */
 	uint		 qi_dqperchunk;	 /* # ondisk dqs in above chunk */
 	xfs_qcnt_t	 qi_bhardlimit;	 /* default data blk hard limit */
diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c
index b00c8d484aa..c7b66f6506c 100644
--- a/fs/xfs/quota/xfs_qm_syscalls.c
+++ b/fs/xfs/quota/xfs_qm_syscalls.c
@@ -960,7 +960,7 @@ xfs_dqhash_t *qmtest_udqtab;
 xfs_dqhash_t *qmtest_gdqtab;
 int	      qmtest_hashmask;
 int	      qmtest_nfails;
-mutex_t	      qcheck_lock;
+struct mutex  qcheck_lock;
 
 #define DQTEST_HASHVAL(mp, id) (((__psunsigned_t)(mp) + \
 				 (__psunsigned_t)(id)) & \
diff --git a/fs/xfs/support/uuid.c b/fs/xfs/support/uuid.c
index 5830c040ea7..b83f76b6d41 100644
--- a/fs/xfs/support/uuid.c
+++ b/fs/xfs/support/uuid.c
@@ -17,10 +17,6 @@
  */
 #include <xfs.h>
 
-static DEFINE_MUTEX(uuid_monitor);
-static int	uuid_table_size;
-static uuid_t	*uuid_table;
-
 /* IRIX interpretation of an uuid_t */
 typedef struct {
 	__be32	uu_timelow;
@@ -46,12 +42,6 @@ uuid_getnodeuniq(uuid_t *uuid, int fsid [2])
 	fsid[1] = be32_to_cpu(uup->uu_timelow);
 }
 
-void
-uuid_create_nil(uuid_t *uuid)
-{
-	memset(uuid, 0, sizeof(*uuid));
-}
-
 int
 uuid_is_nil(uuid_t *uuid)
 {
@@ -71,64 +61,3 @@ uuid_equal(uuid_t *uuid1, uuid_t *uuid2)
 {
 	return memcmp(uuid1, uuid2, sizeof(uuid_t)) ? 0 : 1;
 }
-
-/*
- * Given a 128-bit uuid, return a 64-bit value by adding the top and bottom
- * 64-bit words.  NOTE: This function can not be changed EVER.  Although
- * brain-dead, some applications depend on this 64-bit value remaining
- * persistent.  Specifically, DMI vendors store the value as a persistent
- * filehandle.
- */
-__uint64_t
-uuid_hash64(uuid_t *uuid)
-{
-	__uint64_t	*sp = (__uint64_t *)uuid;
-
-	return sp[0] + sp[1];
-}
-
-int
-uuid_table_insert(uuid_t *uuid)
-{
-	int	i, hole;
-
-	mutex_lock(&uuid_monitor);
-	for (i = 0, hole = -1; i < uuid_table_size; i++) {
-		if (uuid_is_nil(&uuid_table[i])) {
-			hole = i;
-			continue;
-		}
-		if (uuid_equal(uuid, &uuid_table[i])) {
-			mutex_unlock(&uuid_monitor);
-			return 0;
-		}
-	}
-	if (hole < 0) {
-		uuid_table = kmem_realloc(uuid_table,
-			(uuid_table_size + 1) * sizeof(*uuid_table),
-			uuid_table_size  * sizeof(*uuid_table),
-			KM_SLEEP);
-		hole = uuid_table_size++;
-	}
-	uuid_table[hole] = *uuid;
-	mutex_unlock(&uuid_monitor);
-	return 1;
-}
-
-void
-uuid_table_remove(uuid_t *uuid)
-{
-	int	i;
-
-	mutex_lock(&uuid_monitor);
-	for (i = 0; i < uuid_table_size; i++) {
-		if (uuid_is_nil(&uuid_table[i]))
-			continue;
-		if (!uuid_equal(uuid, &uuid_table[i]))
-			continue;
-		uuid_create_nil(&uuid_table[i]);
-		break;
-	}
-	ASSERT(i < uuid_table_size);
-	mutex_unlock(&uuid_monitor);
-}
diff --git a/fs/xfs/support/uuid.h b/fs/xfs/support/uuid.h
index cff5b607d44..4732d71262c 100644
--- a/fs/xfs/support/uuid.h
+++ b/fs/xfs/support/uuid.h
@@ -22,12 +22,8 @@ typedef struct {
 	unsigned char	__u_bits[16];
 } uuid_t;
 
-extern void uuid_create_nil(uuid_t *uuid);
 extern int uuid_is_nil(uuid_t *uuid);
 extern int uuid_equal(uuid_t *uuid1, uuid_t *uuid2);
 extern void uuid_getnodeuniq(uuid_t *uuid, int fsid [2]);
-extern __uint64_t uuid_hash64(uuid_t *uuid);
-extern int uuid_table_insert(uuid_t *uuid);
-extern void uuid_table_remove(uuid_t *uuid);
 
 #endif	/* __XFS_SUPPORT_UUID_H__ */
diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c
index aa001629b59..afdc8911637 100644
--- a/fs/xfs/xfs_attr_leaf.c
+++ b/fs/xfs/xfs_attr_leaf.c
@@ -155,7 +155,8 @@ xfs_attr_shortform_bytesfit(xfs_inode_t *dp, int bytes)
 		 * minimum offset only needs to be the space required for 
 		 * the btree root.
 		 */ 
-		if (!dp->i_d.di_forkoff && dp->i_df.if_bytes > mp->m_attroffset)
+		if (!dp->i_d.di_forkoff && dp->i_df.if_bytes >
+		    xfs_default_attroffset(dp))
 			dsize = XFS_BMDR_SPACE_CALC(MINDBTPTRS);
 		break;
 		
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index 07b7d0d59d8..3a6ed426327 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -2479,7 +2479,7 @@ xfs_bmap_adjacent(
 	fb_agno = nullfb ? NULLAGNUMBER : XFS_FSB_TO_AGNO(mp, ap->firstblock);
 	/*
 	 * If allocating at eof, and there's a previous real block,
-	 * try to use it's last block as our starting point.
+	 * try to use its last block as our starting point.
 	 */
 	if (ap->eof && ap->prevp->br_startoff != NULLFILEOFF &&
 	    !isnullstartblock(ap->prevp->br_startblock) &&
@@ -3569,6 +3569,27 @@ xfs_bmap_extents_to_btree(
 }
 
 /*
+ * Calculate the default attribute fork offset for newly created inodes.
+ */
+uint
+xfs_default_attroffset(
+	struct xfs_inode	*ip)
+{
+	struct xfs_mount	*mp = ip->i_mount;
+	uint			offset;
+
+	if (mp->m_sb.sb_inodesize == 256) {
+		offset = XFS_LITINO(mp) -
+				XFS_BMDR_SPACE_CALC(MINABTPTRS);
+	} else {
+		offset = XFS_BMDR_SPACE_CALC(6 * MINABTPTRS);
+	}
+
+	ASSERT(offset < XFS_LITINO(mp));
+	return offset;
+}
+
+/*
  * Helper routine to reset inode di_forkoff field when switching
  * attribute fork from local to extent format - we reset it where
  * possible to make space available for inline data fork extents.
@@ -3580,15 +3601,18 @@ xfs_bmap_forkoff_reset(
 	int		whichfork)
 {
 	if (whichfork == XFS_ATTR_FORK &&
-	    (ip->i_d.di_format != XFS_DINODE_FMT_DEV) &&
-	    (ip->i_d.di_format != XFS_DINODE_FMT_UUID) &&
-	    (ip->i_d.di_format != XFS_DINODE_FMT_BTREE) &&
-	    ((mp->m_attroffset >> 3) > ip->i_d.di_forkoff)) {
-		ip->i_d.di_forkoff = mp->m_attroffset >> 3;
-		ip->i_df.if_ext_max = XFS_IFORK_DSIZE(ip) /
-					(uint)sizeof(xfs_bmbt_rec_t);
-		ip->i_afp->if_ext_max = XFS_IFORK_ASIZE(ip) /
-					(uint)sizeof(xfs_bmbt_rec_t);
+	    ip->i_d.di_format != XFS_DINODE_FMT_DEV &&
+	    ip->i_d.di_format != XFS_DINODE_FMT_UUID &&
+	    ip->i_d.di_format != XFS_DINODE_FMT_BTREE) {
+		uint	dfl_forkoff = xfs_default_attroffset(ip) >> 3;
+
+		if (dfl_forkoff > ip->i_d.di_forkoff) {
+			ip->i_d.di_forkoff = dfl_forkoff;
+			ip->i_df.if_ext_max =
+				XFS_IFORK_DSIZE(ip) / sizeof(xfs_bmbt_rec_t);
+			ip->i_afp->if_ext_max =
+				XFS_IFORK_ASIZE(ip) / sizeof(xfs_bmbt_rec_t);
+		}
 	}
 }
 
@@ -4057,7 +4081,7 @@ xfs_bmap_add_attrfork(
 	case XFS_DINODE_FMT_BTREE:
 		ip->i_d.di_forkoff = xfs_attr_shortform_bytesfit(ip, size);
 		if (!ip->i_d.di_forkoff)
-			ip->i_d.di_forkoff = mp->m_attroffset >> 3;
+			ip->i_d.di_forkoff = xfs_default_attroffset(ip) >> 3;
 		else if (mp->m_flags & XFS_MOUNT_ATTR2)
 			version = 2;
 		break;
@@ -4204,12 +4228,12 @@ xfs_bmap_compute_maxlevels(
 	 * (a signed 16-bit number, xfs_aextnum_t).
 	 *
 	 * Note that we can no longer assume that if we are in ATTR1 that
-	 * the fork offset of all the inodes will be (m_attroffset >> 3)
-	 * because we could have mounted with ATTR2 and then mounted back
-	 * with ATTR1, keeping the di_forkoff's fixed but probably at
-	 * various positions. Therefore, for both ATTR1 and ATTR2
-	 * we have to assume the worst case scenario of a minimum size
-	 * available.
+	 * the fork offset of all the inodes will be
+	 * (xfs_default_attroffset(ip) >> 3) because we could have mounted
+	 * with ATTR2 and then mounted back with ATTR1, keeping the
+	 * di_forkoff's fixed but probably at various positions. Therefore,
+	 * for both ATTR1 and ATTR2 we have to assume the worst case scenario
+	 * of a minimum size available.
 	 */
 	if (whichfork == XFS_DATA_FORK) {
 		maxleafents = MAXEXTNUM;
@@ -4796,7 +4820,7 @@ xfs_bmapi(
 	xfs_extlen_t	minlen;		/* min allocation size */
 	xfs_mount_t	*mp;		/* xfs mount structure */
 	int		n;		/* current extent index */
-	int		nallocs;	/* number of extents alloc\'d */
+	int		nallocs;	/* number of extents alloc'd */
 	xfs_extnum_t	nextents;	/* number of extents in file */
 	xfs_fileoff_t	obno;		/* old block number (offset) */
 	xfs_bmbt_irec_t	prev;		/* previous file extent record */
@@ -6486,7 +6510,7 @@ xfs_bmap_count_tree(
 	block = XFS_BUF_TO_BLOCK(bp);
 
 	if (--level) {
-		/* Not at node above leafs, count this level of nodes */
+		/* Not at node above leaves, count this level of nodes */
 		nextbno = be64_to_cpu(block->bb_u.l.bb_rightsib);
 		while (nextbno != NULLFSBLOCK) {
 			if ((error = xfs_btree_read_bufl(mp, tp, nextbno,
diff --git a/fs/xfs/xfs_bmap.h b/fs/xfs/xfs_bmap.h
index be2979d88d3..1b8ff9256bd 100644
--- a/fs/xfs/xfs_bmap.h
+++ b/fs/xfs/xfs_bmap.h
@@ -125,7 +125,7 @@ typedef struct xfs_bmalloca {
 	struct xfs_bmbt_irec	*gotp;	/* extent after, or delayed */
 	xfs_extlen_t		alen;	/* i/o length asked/allocated */
 	xfs_extlen_t		total;	/* total blocks needed for xaction */
-	xfs_extlen_t		minlen;	/* mininum allocation size (blocks) */
+	xfs_extlen_t		minlen;	/* minimum allocation size (blocks) */
 	xfs_extlen_t		minleft; /* amount must be left after alloc */
 	char			eof;	/* set if allocating past last extent */
 	char			wasdel;	/* replacing a delayed allocation */
@@ -338,6 +338,10 @@ xfs_check_nostate_extents(
 	xfs_extnum_t		idx,
 	xfs_extnum_t		num);
 
+uint
+xfs_default_attroffset(
+	struct xfs_inode	*ip);
+
 #ifdef __KERNEL__
 
 /*
diff --git a/fs/xfs/xfs_btree.c b/fs/xfs/xfs_btree.c
index e73c332eb23..e9df9957482 100644
--- a/fs/xfs/xfs_btree.c
+++ b/fs/xfs/xfs_btree.c
@@ -1883,7 +1883,7 @@ xfs_btree_lshift(
 
 	/*
 	 * We add one entry to the left side and remove one for the right side.
-	 * Accout for it here, the changes will be updated on disk and logged
+	 * Account for it here, the changes will be updated on disk and logged
 	 * later.
 	 */
 	lrecs++;
@@ -3535,7 +3535,7 @@ xfs_btree_delrec(
 	XFS_BTREE_STATS_INC(cur, join);
 
 	/*
-	 * Fix up the the number of records and right block pointer in the
+	 * Fix up the number of records and right block pointer in the
 	 * surviving block, and log it.
 	 */
 	xfs_btree_set_numrecs(left, lrecs + rrecs);
diff --git a/fs/xfs/xfs_btree.h b/fs/xfs/xfs_btree.h
index 789fffdf8b2..4f852b735b9 100644
--- a/fs/xfs/xfs_btree.h
+++ b/fs/xfs/xfs_btree.h
@@ -41,7 +41,7 @@ extern kmem_zone_t	*xfs_btree_cur_zone;
 /*
  * Generic btree header.
  *
- * This is a comination of the actual format used on disk for short and long
+ * This is a combination of the actual format used on disk for short and long
  * format btrees.  The first three fields are shared by both format, but
  * the pointers are different and should be used with care.
  *
diff --git a/fs/xfs/xfs_da_btree.h b/fs/xfs/xfs_da_btree.h
index 41f27b33204..8c536167bf7 100644
--- a/fs/xfs/xfs_da_btree.h
+++ b/fs/xfs/xfs_da_btree.h
@@ -185,7 +185,7 @@ typedef struct xfs_da_state {
 	unsigned char		inleaf;		/* insert into 1->lf, 0->splf */
 	unsigned char		extravalid;	/* T/F: extrablk is in use */
 	unsigned char		extraafter;	/* T/F: extrablk is after new */
-	xfs_da_state_blk_t	extrablk;	/* for double-splits on leafs */
+	xfs_da_state_blk_t	extrablk;	/* for double-splits on leaves */
 						/* for dirv2 extrablk is data */
 } xfs_da_state_t;
 
diff --git a/fs/xfs/xfs_dinode.h b/fs/xfs/xfs_dinode.h
index 162e8726df5..e5b153b2e6a 100644
--- a/fs/xfs/xfs_dinode.h
+++ b/fs/xfs/xfs_dinode.h
@@ -103,7 +103,9 @@ typedef enum xfs_dinode_fmt {
 /*
  * Inode size for given fs.
  */
-#define	XFS_LITINO(mp)	((mp)->m_litino)
+#define XFS_LITINO(mp) \
+	((int)(((mp)->m_sb.sb_inodesize) - sizeof(struct xfs_dinode)))
+
 #define	XFS_BROOT_SIZE_ADJ	\
 	(XFS_BTREE_LBLOCK_LEN - sizeof(xfs_bmdr_block_t))
 
diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/xfs_dir2_block.c
index e1f0a06aaf0..ab52e9e1c1e 100644
--- a/fs/xfs/xfs_dir2_block.c
+++ b/fs/xfs/xfs_dir2_block.c
@@ -448,7 +448,6 @@ xfs_dir2_block_getdents(
 	xfs_mount_t		*mp;		/* filesystem mount point */
 	char			*ptr;		/* current data entry */
 	int			wantoff;	/* starting block offset */
-	xfs_ino_t		ino;
 	xfs_off_t		cook;
 
 	mp = dp->i_mount;
@@ -509,16 +508,12 @@ xfs_dir2_block_getdents(
 
 		cook = xfs_dir2_db_off_to_dataptr(mp, mp->m_dirdatablk,
 					    (char *)dep - (char *)block);
-		ino = be64_to_cpu(dep->inumber);
-#if XFS_BIG_INUMS
-		ino += mp->m_inoadd;
-#endif
 
 		/*
 		 * If it didn't fit, set the final offset to here & return.
 		 */
 		if (filldir(dirent, dep->name, dep->namelen, cook & 0x7fffffff,
-			    ino, DT_UNKNOWN)) {
+			    be64_to_cpu(dep->inumber), DT_UNKNOWN)) {
 			*offset = cook & 0x7fffffff;
 			xfs_da_brelse(NULL, bp);
 			return 0;
diff --git a/fs/xfs/xfs_dir2_data.h b/fs/xfs/xfs_dir2_data.h
index b816e025273..efbc290c7fe 100644
--- a/fs/xfs/xfs_dir2_data.h
+++ b/fs/xfs/xfs_dir2_data.h
@@ -38,7 +38,7 @@ struct xfs_trans;
 
 /*
  * Directory address space divided into sections,
- * spaces separated by 32gb.
+ * spaces separated by 32GB.
  */
 #define	XFS_DIR2_SPACE_SIZE	(1ULL << (32 + XFS_DIR2_DATA_ALIGN_LOG))
 #define	XFS_DIR2_DATA_SPACE	0
diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c
index 6427ff11089..fa913e45944 100644
--- a/fs/xfs/xfs_dir2_leaf.c
+++ b/fs/xfs/xfs_dir2_leaf.c
@@ -780,7 +780,6 @@ xfs_dir2_leaf_getdents(
 	int			ra_index;	/* *map index for read-ahead */
 	int			ra_offset;	/* map entry offset for ra */
 	int			ra_want;	/* readahead count wanted */
-	xfs_ino_t		ino;
 
 	/*
 	 * If the offset is at or past the largest allowed value,
@@ -1076,24 +1075,12 @@ xfs_dir2_leaf_getdents(
 			continue;
 		}
 
-		/*
-		 * Copy the entry into the putargs, and try formatting it.
-		 */
 		dep = (xfs_dir2_data_entry_t *)ptr;
-
 		length = xfs_dir2_data_entsize(dep->namelen);
 
-		ino = be64_to_cpu(dep->inumber);
-#if XFS_BIG_INUMS
-		ino += mp->m_inoadd;
-#endif
-
-		/*
-		 * Won't fit.  Return to caller.
-		 */
 		if (filldir(dirent, dep->name, dep->namelen,
 			    xfs_dir2_byte_to_dataptr(mp, curoff) & 0x7fffffff,
-			    ino, DT_UNKNOWN))
+			    be64_to_cpu(dep->inumber), DT_UNKNOWN))
 			break;
 
 		/*
diff --git a/fs/xfs/xfs_dir2_node.c b/fs/xfs/xfs_dir2_node.c
index fa6c3a5ddbc..5a81ccd1045 100644
--- a/fs/xfs/xfs_dir2_node.c
+++ b/fs/xfs/xfs_dir2_node.c
@@ -1104,7 +1104,7 @@ xfs_dir2_leafn_remove(
 	}
 	xfs_dir2_leafn_check(dp, bp);
 	/*
-	 * Return indication of whether this leaf block is emtpy enough
+	 * Return indication of whether this leaf block is empty enough
 	 * to justify trying to join it with a neighbor.
 	 */
 	*rval =
diff --git a/fs/xfs/xfs_dir2_sf.c b/fs/xfs/xfs_dir2_sf.c
index a8a8a6efad5..e89734e8464 100644
--- a/fs/xfs/xfs_dir2_sf.c
+++ b/fs/xfs/xfs_dir2_sf.c
@@ -748,11 +748,7 @@ xfs_dir2_sf_getdents(
 	 * Put . entry unless we're starting past it.
 	 */
 	if (*offset <= dot_offset) {
-		ino = dp->i_ino;
-#if XFS_BIG_INUMS
-		ino += mp->m_inoadd;
-#endif
-		if (filldir(dirent, ".", 1, dot_offset & 0x7fffffff, ino, DT_DIR)) {
+		if (filldir(dirent, ".", 1, dot_offset & 0x7fffffff, dp->i_ino, DT_DIR)) {
 			*offset = dot_offset & 0x7fffffff;
 			return 0;
 		}
@@ -763,9 +759,6 @@ xfs_dir2_sf_getdents(
 	 */
 	if (*offset <= dotdot_offset) {
 		ino = xfs_dir2_sf_get_inumber(sfp, &sfp->hdr.parent);
-#if XFS_BIG_INUMS
-		ino += mp->m_inoadd;
-#endif
 		if (filldir(dirent, "..", 2, dotdot_offset & 0x7fffffff, ino, DT_DIR)) {
 			*offset = dotdot_offset & 0x7fffffff;
 			return 0;
@@ -786,10 +779,6 @@ xfs_dir2_sf_getdents(
 		}
 
 		ino = xfs_dir2_sf_get_inumber(sfp, xfs_dir2_sf_inumberp(sfep));
-#if XFS_BIG_INUMS
-		ino += mp->m_inoadd;
-#endif
-
 		if (filldir(dirent, sfep->name, sfep->namelen,
 			    off & 0x7fffffff, ino, DT_UNKNOWN)) {
 			*offset = off & 0x7fffffff;
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index 680d0e0ec93..8379e3bca26 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -576,7 +576,7 @@ out:
 	if (fdblks_delta) {
 		/*
 		 * If we are putting blocks back here, m_resblks_avail is
-		 * already at it's max so this will put it in the free pool.
+		 * already at its max so this will put it in the free pool.
 		 *
 		 * If we need space, we'll either succeed in getting it
 		 * from the free block count or we'll get an enospc. If
diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c
index 62d1ceae094..3120a3a5e20 100644
--- a/fs/xfs/xfs_ialloc.c
+++ b/fs/xfs/xfs_ialloc.c
@@ -349,7 +349,7 @@ xfs_ialloc_ag_alloc(
 		 * Initialize all inodes in this buffer and then log them.
 		 *
 		 * XXX: It would be much better if we had just one transaction to
-		 *      log a whole cluster of inodes instead of all the indivdual
+		 *      log a whole cluster of inodes instead of all the individual
 		 *      transactions causing a lot of log traffic.
 		 */
 		xfs_biozero(fbuf, 0, ninodes << args.mp->m_sb.sb_inodelog);
diff --git a/fs/xfs/xfs_ialloc_btree.c b/fs/xfs/xfs_ialloc_btree.c
index 99f2408e8d8..c282a9af539 100644
--- a/fs/xfs/xfs_ialloc_btree.c
+++ b/fs/xfs/xfs_ialloc_btree.c
@@ -164,7 +164,7 @@ xfs_inobt_init_rec_from_cur(
 }
 
 /*
- * intial value of ptr for lookup
+ * initial value of ptr for lookup
  */
 STATIC void
 xfs_inobt_init_ptr_from_cur(
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index 1f175fa34b2..f879c1bc4b9 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -122,7 +122,7 @@ typedef struct xfs_ictimestamp {
 
 /*
  * NOTE:  This structure must be kept identical to struct xfs_dinode
- * 	  in xfs_dinode.h except for the endianess annotations.
+ * 	  in xfs_dinode.h except for the endianness annotations.
  */
 typedef struct xfs_icdinode {
 	__uint16_t	di_magic;	/* inode magic # = XFS_DINODE_MAGIC */
diff --git a/fs/xfs/xfs_iomap.h b/fs/xfs/xfs_iomap.h
index ee1a0c134cc..a1cc1322fc0 100644
--- a/fs/xfs/xfs_iomap.h
+++ b/fs/xfs/xfs_iomap.h
@@ -63,7 +63,7 @@ typedef enum {
  */
 
 typedef struct xfs_iomap {
-	xfs_daddr_t		iomap_bn;	/* first 512b blk of mapping */
+	xfs_daddr_t		iomap_bn;	/* first 512B blk of mapping */
 	xfs_buftarg_t		*iomap_target;
 	xfs_off_t		iomap_offset;	/* offset of mapping, bytes */
 	xfs_off_t		iomap_bsize;	/* size of mapping, bytes */
diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c
index 24f1d139a63..aeb2d2221c7 100644
--- a/fs/xfs/xfs_itable.c
+++ b/fs/xfs/xfs_itable.c
@@ -584,7 +584,7 @@ xfs_bulkstat(
 				 * first inode of the cluster.
 				 *
 				 * Careful with clustidx.   There can be
-				 * multple clusters per chunk, a single
+				 * multiple clusters per chunk, a single
 				 * cluster per chunk or a cluster that has
 				 * inodes represented from several different
 				 * chunks (if blocksize is large).
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 25faa3fe83d..f76c6d7cea2 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -1098,7 +1098,7 @@ xlog_bdstrat_cb(struct xfs_buf *bp)
 /*
  * Return size of each in-core log record buffer.
  *
- * All machines get 8 x 32KB buffers by default, unless tuned otherwise.
+ * All machines get 8 x 32kB buffers by default, unless tuned otherwise.
  *
  * If the filesystem blocksize is too large, we may need to choose a
  * larger size since the directory code currently logs entire blocks.
@@ -1128,8 +1128,8 @@ xlog_get_iclog_buffer_size(xfs_mount_t	*mp,
 		}
 
 		if (xfs_sb_version_haslogv2(&mp->m_sb)) {
-			/* # headers = size / 32K
-			 * one header holds cycles from 32K of data
+			/* # headers = size / 32k
+			 * one header holds cycles from 32k of data
 			 */
 
 			xhdrs = mp->m_logbsize / XLOG_HEADER_CYCLE_SIZE;
@@ -1145,7 +1145,7 @@ xlog_get_iclog_buffer_size(xfs_mount_t	*mp,
 		goto done;
 	}
 
-	/* All machines use 32KB buffers by default. */
+	/* All machines use 32kB buffers by default. */
 	log->l_iclog_size = XLOG_BIG_RECORD_BSIZE;
 	log->l_iclog_size_log = XLOG_BIG_RECORD_BSHIFT;
 
@@ -3179,7 +3179,7 @@ xlog_state_want_sync(xlog_t *log, xlog_in_core_t *iclog)
  */
 
 /*
- * Free a used ticket when it's refcount falls to zero.
+ * Free a used ticket when its refcount falls to zero.
  */
 void
 xfs_log_ticket_put(
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 2549a235dad..b101990df02 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -45,7 +45,6 @@
 #include "xfs_fsops.h"
 #include "xfs_utils.h"
 
-STATIC int	xfs_uuid_mount(xfs_mount_t *);
 STATIC void	xfs_unmountfs_wait(xfs_mount_t *);
 
 
@@ -121,6 +120,84 @@ static const struct {
     { sizeof(xfs_sb_t),			 0 }
 };
 
+static DEFINE_MUTEX(xfs_uuid_table_mutex);
+static int xfs_uuid_table_size;
+static uuid_t *xfs_uuid_table;
+
+/*
+ * See if the UUID is unique among mounted XFS filesystems.
+ * Mount fails if UUID is nil or a FS with the same UUID is already mounted.
+ */
+STATIC int
+xfs_uuid_mount(
+	struct xfs_mount	*mp)
+{
+	uuid_t			*uuid = &mp->m_sb.sb_uuid;
+	int			hole, i;
+
+	if (mp->m_flags & XFS_MOUNT_NOUUID)
+		return 0;
+
+	if (uuid_is_nil(uuid)) {
+		cmn_err(CE_WARN,
+			"XFS: Filesystem %s has nil UUID - can't mount",
+			mp->m_fsname);
+		return XFS_ERROR(EINVAL);
+	}
+
+	mutex_lock(&xfs_uuid_table_mutex);
+	for (i = 0, hole = -1; i < xfs_uuid_table_size; i++) {
+		if (uuid_is_nil(&xfs_uuid_table[i])) {
+			hole = i;
+			continue;
+		}
+		if (uuid_equal(uuid, &xfs_uuid_table[i]))
+			goto out_duplicate;
+	}
+
+	if (hole < 0) {
+		xfs_uuid_table = kmem_realloc(xfs_uuid_table,
+			(xfs_uuid_table_size + 1) * sizeof(*xfs_uuid_table),
+			xfs_uuid_table_size  * sizeof(*xfs_uuid_table),
+			KM_SLEEP);
+		hole = xfs_uuid_table_size++;
+	}
+	xfs_uuid_table[hole] = *uuid;
+	mutex_unlock(&xfs_uuid_table_mutex);
+
+	return 0;
+
+ out_duplicate:
+	mutex_unlock(&xfs_uuid_table_mutex);
+	cmn_err(CE_WARN, "XFS: Filesystem %s has duplicate UUID - can't mount",
+			 mp->m_fsname);
+	return XFS_ERROR(EINVAL);
+}
+
+STATIC void
+xfs_uuid_unmount(
+	struct xfs_mount	*mp)
+{
+	uuid_t			*uuid = &mp->m_sb.sb_uuid;
+	int			i;
+
+	if (mp->m_flags & XFS_MOUNT_NOUUID)
+		return;
+
+	mutex_lock(&xfs_uuid_table_mutex);
+	for (i = 0; i < xfs_uuid_table_size; i++) {
+		if (uuid_is_nil(&xfs_uuid_table[i]))
+			continue;
+		if (!uuid_equal(uuid, &xfs_uuid_table[i]))
+			continue;
+		memset(&xfs_uuid_table[i], 0, sizeof(uuid_t));
+		break;
+	}
+	ASSERT(i < xfs_uuid_table_size);
+	mutex_unlock(&xfs_uuid_table_mutex);
+}
+
+
 /*
  * Free up the resources associated with a mount structure.  Assume that
  * the structure was initially zeroed, so we can tell which fields got
@@ -256,6 +333,22 @@ xfs_mount_validate_sb(
 		return XFS_ERROR(ENOSYS);
 	}
 
+	/*
+	 * Currently only very few inode sizes are supported.
+	 */
+	switch (sbp->sb_inodesize) {
+	case 256:
+	case 512:
+	case 1024:
+	case 2048:
+		break;
+	default:
+		xfs_fs_mount_cmn_err(flags,
+			"inode size of %d bytes not supported",
+			sbp->sb_inodesize);
+		return XFS_ERROR(ENOSYS);
+	}
+
 	if (xfs_sb_validate_fsb_count(sbp, sbp->sb_dblocks) ||
 	    xfs_sb_validate_fsb_count(sbp, sbp->sb_rblocks)) {
 		xfs_fs_mount_cmn_err(flags,
@@ -574,32 +667,10 @@ xfs_mount_common(xfs_mount_t *mp, xfs_sb_t *sbp)
 	mp->m_sectbb_log = sbp->sb_sectlog - BBSHIFT;
 	mp->m_agno_log = xfs_highbit32(sbp->sb_agcount - 1) + 1;
 	mp->m_agino_log = sbp->sb_inopblog + sbp->sb_agblklog;
-	mp->m_litino = sbp->sb_inodesize - sizeof(struct xfs_dinode);
 	mp->m_blockmask = sbp->sb_blocksize - 1;
 	mp->m_blockwsize = sbp->sb_blocksize >> XFS_WORDLOG;
 	mp->m_blockwmask = mp->m_blockwsize - 1;
 
-	/*
-	 * Setup for attributes, in case they get created.
-	 * This value is for inodes getting attributes for the first time,
-	 * the per-inode value is for old attribute values.
-	 */
-	ASSERT(sbp->sb_inodesize >= 256 && sbp->sb_inodesize <= 2048);
-	switch (sbp->sb_inodesize) {
-	case 256:
-		mp->m_attroffset = XFS_LITINO(mp) -
-				   XFS_BMDR_SPACE_CALC(MINABTPTRS);
-		break;
-	case 512:
-	case 1024:
-	case 2048:
-		mp->m_attroffset = XFS_BMDR_SPACE_CALC(6 * MINABTPTRS);
-		break;
-	default:
-		ASSERT(0);
-	}
-	ASSERT(mp->m_attroffset < XFS_LITINO(mp));
-
 	mp->m_alloc_mxr[0] = xfs_allocbt_maxrecs(mp, sbp->sb_blocksize, 1);
 	mp->m_alloc_mxr[1] = xfs_allocbt_maxrecs(mp, sbp->sb_blocksize, 0);
 	mp->m_alloc_mnr[0] = mp->m_alloc_mxr[0] / 2;
@@ -645,7 +716,7 @@ xfs_initialize_perag_data(xfs_mount_t *mp, xfs_agnumber_t agcount)
 	for (index = 0; index < agcount; index++) {
 		/*
 		 * read the agf, then the agi. This gets us
-		 * all the inforamtion we need and populates the
+		 * all the information we need and populates the
 		 * per-ag structures for us.
 		 */
 		error = xfs_alloc_pagf_init(mp, NULL, index, 0);
@@ -968,18 +1039,9 @@ xfs_mountfs(
 
 	mp->m_maxioffset = xfs_max_file_offset(sbp->sb_blocklog);
 
-	/*
-	 * XFS uses the uuid from the superblock as the unique
-	 * identifier for fsid.  We can not use the uuid from the volume
-	 * since a single partition filesystem is identical to a single
-	 * partition volume/filesystem.
-	 */
-	if (!(mp->m_flags & XFS_MOUNT_NOUUID)) {
-		if (xfs_uuid_mount(mp)) {
-			error = XFS_ERROR(EINVAL);
-			goto out;
-		}
-	}
+	error = xfs_uuid_mount(mp);
+	if (error)
+		goto out;
 
 	/*
 	 * Set the minimum read and write sizes
@@ -1198,8 +1260,7 @@ xfs_mountfs(
  out_free_perag:
 	xfs_free_perag(mp);
  out_remove_uuid:
-	if (!(mp->m_flags & XFS_MOUNT_NOUUID))
-		uuid_table_remove(&mp->m_sb.sb_uuid);
+	xfs_uuid_unmount(mp);
  out:
 	return error;
 }
@@ -1226,7 +1287,7 @@ xfs_unmountfs(
 
 	/*
 	 * We can potentially deadlock here if we have an inode cluster
-	 * that has been freed has it's buffer still pinned in memory because
+	 * that has been freed has its buffer still pinned in memory because
 	 * the transaction is still sitting in a iclog. The stale inodes
 	 * on that buffer will have their flush locks held until the
 	 * transaction hits the disk and the callbacks run. the inode
@@ -1258,7 +1319,7 @@ xfs_unmountfs(
 	 * Unreserve any blocks we have so that when we unmount we don't account
 	 * the reserved free space as used. This is really only necessary for
 	 * lazy superblock counting because it trusts the incore superblock
-	 * counters to be aboslutely correct on clean unmount.
+	 * counters to be absolutely correct on clean unmount.
 	 *
 	 * We don't bother correcting this elsewhere for lazy superblock
 	 * counting because on mount of an unclean filesystem we reconstruct the
@@ -1282,9 +1343,7 @@ xfs_unmountfs(
 	xfs_unmountfs_wait(mp); 		/* wait for async bufs */
 	xfs_log_unmount_write(mp);
 	xfs_log_unmount(mp);
-
-	if ((mp->m_flags & XFS_MOUNT_NOUUID) == 0)
-		uuid_table_remove(&mp->m_sb.sb_uuid);
+	xfs_uuid_unmount(mp);
 
 #if defined(DEBUG)
 	xfs_errortag_clearall(mp, 0);
@@ -1786,29 +1845,6 @@ xfs_freesb(
 }
 
 /*
- * See if the UUID is unique among mounted XFS filesystems.
- * Mount fails if UUID is nil or a FS with the same UUID is already mounted.
- */
-STATIC int
-xfs_uuid_mount(
-	xfs_mount_t	*mp)
-{
-	if (uuid_is_nil(&mp->m_sb.sb_uuid)) {
-		cmn_err(CE_WARN,
-			"XFS: Filesystem %s has nil UUID - can't mount",
-			mp->m_fsname);
-		return -1;
-	}
-	if (!uuid_table_insert(&mp->m_sb.sb_uuid)) {
-		cmn_err(CE_WARN,
-			"XFS: Filesystem %s has duplicate UUID - can't mount",
-			mp->m_fsname);
-		return -1;
-	}
-	return 0;
-}
-
-/*
  * Used to log changes to the superblock unit and width fields which could
  * be altered by the mount options, as well as any potential sb_features2
  * fixup. Only the first superblock is updated.
@@ -1861,7 +1897,7 @@ xfs_mount_log_sb(
  * we disable the per-cpu counter and go through the slow path.
  *
  * The slow path is the current xfs_mod_incore_sb() function.  This means that
- * when we disable a per-cpu counter, we need to drain it's resources back to
+ * when we disable a per-cpu counter, we need to drain its resources back to
  * the global superblock. We do this after disabling the counter to prevent
  * more threads from queueing up on the counter.
  *
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 1438dd4dc90..7af44adffc8 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -276,12 +276,10 @@ typedef struct xfs_mount {
 	int			m_fixedfsid[2];	/* unchanged for life of FS */
 	uint			m_dmevmask;	/* DMI events for this FS */
 	__uint64_t		m_flags;	/* global mount flags */
-	uint			m_attroffset;	/* inode attribute offset */
 	uint			m_dir_node_ents; /* #entries in a dir danode */
 	uint			m_attr_node_ents; /* #entries in attr danode */
 	int			m_ialloc_inos;	/* inodes in inode allocation */
 	int			m_ialloc_blks;	/* blocks in inode allocation */
-	int			m_litino;	/* size of inode union area */
 	int			m_inoalign_mask;/* mask sb_inoalignmt if used */
 	uint			m_qflags;	/* quota status flags */
 	xfs_trans_reservations_t m_reservations;/* precomputed res values */
@@ -289,9 +287,6 @@ typedef struct xfs_mount {
 	__uint64_t		m_maxioffset;	/* maximum inode offset */
 	__uint64_t		m_resblks;	/* total reserved blocks */
 	__uint64_t		m_resblks_avail;/* available reserved blocks */
-#if XFS_BIG_INUMS
-	xfs_ino_t		m_inoadd;	/* add value for ino64_offset */
-#endif
 	int			m_dalign;	/* stripe unit */
 	int			m_swidth;	/* stripe width */
 	int			m_sinoalign;	/* stripe unit inode alignment */
@@ -333,7 +328,6 @@ typedef struct xfs_mount {
 #define XFS_MOUNT_WSYNC		(1ULL << 0)	/* for nfs - all metadata ops
 						   must be synchronous except
 						   for space allocations */
-#define XFS_MOUNT_INO64		(1ULL << 1)
 #define XFS_MOUNT_DMAPI		(1ULL << 2)	/* dmapi is enabled */
 #define XFS_MOUNT_WAS_CLEAN	(1ULL << 3)
 #define XFS_MOUNT_FS_SHUTDOWN	(1ULL << 4)	/* atomic stop of all filesystem
@@ -385,8 +379,8 @@ typedef struct xfs_mount {
  * Synchronous read and write sizes.  This should be
  * better for NFSv2 wsync filesystems.
  */
-#define	XFS_WSYNC_READIO_LOG	15	/* 32K */
-#define	XFS_WSYNC_WRITEIO_LOG	14	/* 16K */
+#define	XFS_WSYNC_READIO_LOG	15	/* 32k */
+#define	XFS_WSYNC_WRITEIO_LOG	14	/* 16k */
 
 /*
  * Allow large block sizes to be reported to userspace programs if the
diff --git a/fs/xfs/xfs_rtalloc.h b/fs/xfs/xfs_rtalloc.h
index 3bac681218a..b2d67adb6a0 100644
--- a/fs/xfs/xfs_rtalloc.h
+++ b/fs/xfs/xfs_rtalloc.h
@@ -23,8 +23,8 @@ struct xfs_trans;
 
 /* Min and max rt extent sizes, specified in bytes */
 #define	XFS_MAX_RTEXTSIZE	(1024 * 1024 * 1024)	/* 1GB */
-#define	XFS_DFL_RTEXTSIZE	(64 * 1024)	        /* 64KB */
-#define	XFS_MIN_RTEXTSIZE	(4 * 1024)		/* 4KB */
+#define	XFS_DFL_RTEXTSIZE	(64 * 1024)	        /* 64kB */
+#define	XFS_MIN_RTEXTSIZE	(4 * 1024)		/* 4kB */
 
 /*
  * Constants for bit manipulations.
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 166f728bea7..775249a54f6 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -292,7 +292,7 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp)
  * In a write transaction we can allocate a maximum of 2
  * extents.  This gives:
  *    the inode getting the new extents: inode size
- *    the inode\'s bmap btree: max depth * block size
+ *    the inode's bmap btree: max depth * block size
  *    the agfs of the ags from which the extents are allocated: 2 * sector
  *    the superblock free block counter: sector size
  *    the allocation btrees: 2 exts * 2 trees * (2 * max depth - 1) * block size
@@ -321,7 +321,7 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp)
 /*
  * In truncating a file we free up to two extents at once.  We can modify:
  *    the inode being truncated: inode size
- *    the inode\'s bmap btree: (max depth + 1) * block size
+ *    the inode's bmap btree: (max depth + 1) * block size
  * And the bmap_finish transaction can free the blocks and bmap blocks:
  *    the agf for each of the ags: 4 * sector size
  *    the agfl for each of the ags: 4 * sector size
@@ -431,8 +431,8 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp)
  *    the new inode: inode size
  *    the inode btree entry: 1 block
  *    the directory btree: (max depth + v2) * dir block size
- *    the directory inode\'s bmap btree: (max depth + v2) * block size
- *    the blocks for the symlink: 1 KB
+ *    the directory inode's bmap btree: (max depth + v2) * block size
+ *    the blocks for the symlink: 1 kB
  * Or in the first xact we allocate some inodes giving:
  *    the agi and agf of the ag getting the new inodes: 2 * sectorsize
  *    the inode blocks allocated: XFS_IALLOC_BLOCKS * blocksize
@@ -463,7 +463,7 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp)
  *    the inode btree entry: block size
  *    the superblock for the nlink flag: sector size
  *    the directory btree: (max depth + v2) * dir block size
- *    the directory inode\'s bmap btree: (max depth + v2) * block size
+ *    the directory inode's bmap btree: (max depth + v2) * block size
  * Or in the first xact we allocate some inodes giving:
  *    the agi and agf of the ag getting the new inodes: 2 * sectorsize
  *    the superblock for the nlink flag: sector size
@@ -637,7 +637,7 @@ xfs_lic_desc_to_chunk(xfs_log_item_desc_t *dp)
 /*
  * Removing the attribute fork of a file
  *    the inode being truncated: inode size
- *    the inode\'s bmap btree: max depth * block size
+ *    the inode's bmap btree: max depth * block size
  * And the bmap_finish transaction can free the blocks and bmap blocks:
  *    the agf for each of the ags: 4 * sector size
  *    the agfl for each of the ags: 4 * sector size
diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
index 2d47f10f8be..f31271c30de 100644
--- a/fs/xfs/xfs_trans_ail.c
+++ b/fs/xfs/xfs_trans_ail.c
@@ -79,7 +79,7 @@ xfs_trans_ail_tail(
  * the push is run asynchronously in a separate thread, so we return the tail
  * of the log right now instead of the tail after the push. This means we will
  * either continue right away, or we will sleep waiting on the async thread to
- * do it's work.
+ * do its work.
  *
  * We do this unlocked - we only need to know whether there is anything in the
  * AIL at the time we are called. We don't need to access the contents of
@@ -160,7 +160,7 @@ xfs_trans_ail_cursor_next(
 /*
  * Now that the traversal is complete, we need to remove the cursor
  * from the list of traversing cursors. Avoid removing the embedded
- * push cursor, but use the fact it is alway present to make the
+ * push cursor, but use the fact it is always present to make the
  * list deletion simple.
  */
 void
diff --git a/fs/xfs/xfs_trans_item.c b/fs/xfs/xfs_trans_item.c
index e110bf57d7f..eb3fc57f9ee 100644
--- a/fs/xfs/xfs_trans_item.c
+++ b/fs/xfs/xfs_trans_item.c
@@ -22,7 +22,7 @@
 #include "xfs_inum.h"
 #include "xfs_trans.h"
 #include "xfs_trans_priv.h"
-/* XXX: from here down needed until struct xfs_trans has it's own ailp */
+/* XXX: from here down needed until struct xfs_trans has its own ailp */
 #include "xfs_bit.h"
 #include "xfs_buf_item.h"
 #include "xfs_sb.h"
diff --git a/fs/xfs/xfs_utils.c b/fs/xfs/xfs_utils.c
index fcc2285d03e..79b9e5ea535 100644
--- a/fs/xfs/xfs_utils.c
+++ b/fs/xfs/xfs_utils.c
@@ -374,7 +374,7 @@ xfs_truncate_file(
 
 	/*
 	 * Follow the normal truncate locking protocol.  Since we
-	 * hold the inode in the transaction, we know that it's number
+	 * hold the inode in the transaction, we know that its number
 	 * of references will stay constant.
 	 */
 	xfs_ilock(ip, XFS_ILOCK_EXCL);
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index 6e28461e761..7394c7af5de 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -2862,7 +2862,7 @@ xfs_free_file_space(
 
 	/*
 	 * Need to zero the stuff we're not freeing, on disk.
-	 * If its a realtime file & can't use unwritten extents then we
+	 * If it's a realtime file & can't use unwritten extents then we
 	 * actually need to zero the extent edges.  Otherwise xfs_bunmapi
 	 * will take care of it for us.
 	 */