diff --git a/fs/xfs/kmem.h b/fs/xfs/kmem.h
index 38007117697efee8c278b3d340312e770194d266..d4d1bcf1416beebd9daae57b2df49ad59b2a761c 100644
--- a/fs/xfs/kmem.h
+++ b/fs/xfs/kmem.h
@@ -74,10 +74,6 @@ kmem_zalloc(size_t size, xfs_km_flags_t flags)
 /*
  * Zone interfaces
  */
-
-#define kmem_zone	kmem_cache
-#define kmem_zone_t	struct kmem_cache
-
 static inline struct page *
 kmem_to_page(void *addr)
 {
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index ca75736905e7c8b0625bd2a346dccd845650fbbd..8a10d175567362de1e04ea162376bae126b53742 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -27,7 +27,7 @@
 #include "xfs_ag_resv.h"
 #include "xfs_bmap.h"
 
-extern kmem_zone_t	*xfs_bmap_free_item_zone;
+struct kmem_cache	*xfs_extfree_item_cache;
 
 struct workqueue_struct *xfs_alloc_wq;
 
@@ -583,6 +583,25 @@ xfs_alloc_fixup_trees(
 	return 0;
 }
 
+/*
+ * We do not verify the AGFL contents against AGF-based index counters here,
+ * even though we may have access to the perag that contains shadow copies. We
+ * don't know if the AGF based counters have been checked, and if they have they
+ * still may be inconsistent because they haven't yet been reset on the first
+ * allocation after the AGF has been read in.
+ *
+ * This means we can only check that all agfl entries contain valid or null
+ * values because we can't reliably determine the active range to exclude
+ * NULLAGBNO as a valid value.
+ *
+ * However, we can't even do that for v4 format filesystems because there are
+ * old versions of mkfs out there that does not initialise the AGFL to known,
+ * verifiable values. HEnce we can't tell the difference between a AGFL block
+ * allocated by mkfs and a corrupted AGFL block here on v4 filesystems.
+ *
+ * As a result, we can only fully validate AGFL block numbers when we pull them
+ * from the freelist in xfs_alloc_get_freelist().
+ */
 static xfs_failaddr_t
 xfs_agfl_verify(
 	struct xfs_buf	*bp)
@@ -592,12 +611,6 @@ xfs_agfl_verify(
 	__be32		*agfl_bno = xfs_buf_to_agfl_bno(bp);
 	int		i;
 
-	/*
-	 * There is no verification of non-crc AGFLs because mkfs does not
-	 * initialise the AGFL to zero or NULL. Hence the only valid part of the
-	 * AGFL is what the AGF says is active. We can't get to the AGF, so we
-	 * can't verify just those entries are valid.
-	 */
 	if (!xfs_sb_version_hascrc(&mp->m_sb))
 		return NULL;
 
@@ -2352,12 +2365,16 @@ xfs_free_agfl_block(
 }
 
 /*
- * Check the agfl fields of the agf for inconsistency or corruption. The purpose
- * is to detect an agfl header padding mismatch between current and early v5
- * kernels. This problem manifests as a 1-slot size difference between the
- * on-disk flcount and the active [first, last] range of a wrapped agfl. This
- * may also catch variants of agfl count corruption unrelated to padding. Either
- * way, we'll reset the agfl and warn the user.
+ * Check the agfl fields of the agf for inconsistency or corruption.
+ *
+ * The original purpose was to detect an agfl header padding mismatch between
+ * current and early v5 kernels. This problem manifests as a 1-slot size
+ * difference between the on-disk flcount and the active [first, last] range of
+ * a wrapped agfl.
+ *
+ * However, we need to use these same checks to catch agfl count corruptions
+ * unrelated to padding. This could occur on any v4 or v5 filesystem, so either
+ * way, we need to reset the agfl and warn the user.
  *
  * Return true if a reset is required before the agfl can be used, false
  * otherwise.
@@ -2373,10 +2390,6 @@ xfs_agfl_needs_reset(
 	int			agfl_size = xfs_agfl_size(mp);
 	int			active;
 
-	/* no agfl header on v4 supers */
-	if (!xfs_sb_version_hascrc(&mp->m_sb))
-		return false;
-
 	/*
 	 * The agf read verifier catches severe corruption of these fields.
 	 * Repeat some sanity checks to cover a packed -> unpacked mismatch if
@@ -2440,7 +2453,7 @@ xfs_agfl_reset(
 
 /*
  * Defer an AGFL block free. This is effectively equivalent to
- * xfs_bmap_add_free() with some special handling particular to AGFL blocks.
+ * xfs_free_extent_later() with some special handling particular to AGFL blocks.
  *
  * Deferring AGFL frees helps prevent log reservation overruns due to too many
  * allocation operations in a transaction. AGFL frees are prone to this problem
@@ -2449,7 +2462,7 @@ xfs_agfl_reset(
  * the real allocation can proceed. Deferring the free disconnects freeing up
  * the AGFL slot from freeing the block.
  */
-STATIC void
+static int
 xfs_defer_agfl_block(
 	struct xfs_trans		*tp,
 	xfs_agnumber_t			agno,
@@ -2457,21 +2470,86 @@ xfs_defer_agfl_block(
 	struct xfs_owner_info		*oinfo)
 {
 	struct xfs_mount		*mp = tp->t_mountp;
-	struct xfs_extent_free_item	*new;		/* new element */
+	struct xfs_extent_free_item	*xefi;
 
-	ASSERT(xfs_bmap_free_item_zone != NULL);
+	ASSERT(xfs_extfree_item_cache != NULL);
 	ASSERT(oinfo != NULL);
 
-	new = kmem_cache_alloc(xfs_bmap_free_item_zone,
+	xefi = kmem_cache_zalloc(xfs_extfree_item_cache,
 			       GFP_KERNEL | __GFP_NOFAIL);
-	new->xefi_startblock = XFS_AGB_TO_FSB(mp, agno, agbno);
-	new->xefi_blockcount = 1;
-	new->xefi_oinfo = *oinfo;
-	new->xefi_skip_discard = false;
+	xefi->xefi_startblock = XFS_AGB_TO_FSB(mp, agno, agbno);
+	xefi->xefi_blockcount = 1;
+	xefi->xefi_owner = oinfo->oi_owner;
+	xefi->xefi_agresv = XFS_AG_RESV_AGFL;
+
+	if (XFS_IS_CORRUPT(mp, !xfs_verify_fsbno(mp, xefi->xefi_startblock)))
+		return -EFSCORRUPTED;
 
 	trace_xfs_agfl_free_defer(mp, agno, 0, agbno, 1);
 
-	xfs_defer_add(tp, XFS_DEFER_OPS_TYPE_AGFL_FREE, &new->xefi_list);
+	xfs_defer_add(tp, XFS_DEFER_OPS_TYPE_AGFL_FREE, &xefi->xefi_list);
+	return 0;
+}
+
+/*
+ * Add the extent to the list of extents to be free at transaction end.
+ * The list is maintained sorted (by block number).
+ */
+int
+__xfs_free_extent_later(
+	struct xfs_trans		*tp,
+	xfs_fsblock_t			bno,
+	xfs_filblks_t			len,
+	const struct xfs_owner_info	*oinfo,
+	enum xfs_ag_resv_type		type,
+	bool				skip_discard)
+{
+	struct xfs_extent_free_item	*xefi;
+	struct xfs_mount		*mp = tp->t_mountp;
+#ifdef DEBUG
+	xfs_agnumber_t			agno;
+	xfs_agblock_t			agbno;
+
+	ASSERT(bno != NULLFSBLOCK);
+	ASSERT(len > 0);
+	ASSERT(len <= MAXEXTLEN);
+	ASSERT(!isnullstartblock(bno));
+	agno = XFS_FSB_TO_AGNO(mp, bno);
+	agbno = XFS_FSB_TO_AGBNO(mp, bno);
+	ASSERT(agno < mp->m_sb.sb_agcount);
+	ASSERT(agbno < mp->m_sb.sb_agblocks);
+	ASSERT(len < mp->m_sb.sb_agblocks);
+	ASSERT(agbno + len <= mp->m_sb.sb_agblocks);
+#endif
+	ASSERT(xfs_extfree_item_cache != NULL);
+	ASSERT(type != XFS_AG_RESV_AGFL);
+
+	if (XFS_IS_CORRUPT(mp, !xfs_verify_fsbext(mp, bno, len)))
+		return -EFSCORRUPTED;
+
+	xefi = kmem_cache_zalloc(xfs_extfree_item_cache,
+			       GFP_KERNEL | __GFP_NOFAIL);
+	xefi->xefi_startblock = bno;
+	xefi->xefi_blockcount = (xfs_extlen_t)len;
+	xefi->xefi_agresv = type;
+	if (skip_discard)
+		xefi->xefi_flags |= XFS_EFI_SKIP_DISCARD;
+	if (oinfo) {
+		ASSERT(oinfo->oi_offset == 0);
+
+		if (oinfo->oi_flags & XFS_OWNER_INFO_ATTR_FORK)
+			xefi->xefi_flags |= XFS_EFI_ATTR_FORK;
+		if (oinfo->oi_flags & XFS_OWNER_INFO_BMBT_BLOCK)
+			xefi->xefi_flags |= XFS_EFI_BMBT_BLOCK;
+		xefi->xefi_owner = oinfo->oi_owner;
+	} else {
+		xefi->xefi_owner = XFS_RMAP_OWN_NULL;
+	}
+	trace_xfs_bmap_free_defer(tp->t_mountp,
+			XFS_FSB_TO_AGNO(tp->t_mountp, bno), 0,
+			XFS_FSB_TO_AGBNO(tp->t_mountp, bno), len);
+	xfs_defer_add(tp, XFS_DEFER_OPS_TYPE_FREE, &xefi->xefi_list);
+	return 0;
 }
 
 /*
@@ -2581,7 +2659,9 @@ xfs_alloc_fix_freelist(
 			goto out_agbp_relse;
 
 		/* defer agfl frees */
-		xfs_defer_agfl_block(tp, args->agno, bno, &targs.oinfo);
+		error = xfs_defer_agfl_block(tp, args->agno, bno, &targs.oinfo);
+		if (error)
+			goto out_agbp_relse;
 	}
 
 	targs.tp = tp;
@@ -2823,6 +2903,19 @@ xfs_alloc_put_freelist(
 	return 0;
 }
 
+/*
+ * Verify the AGF is consistent.
+ *
+ * We do not verify the AGFL indexes in the AGF are fully consistent here
+ * because of issues with variable on-disk structure sizes. Instead, we check
+ * the agfl indexes for consistency when we initialise the perag from the AGF
+ * information after a read completes.
+ *
+ * If the index is inconsistent, then we mark the perag as needing an AGFL
+ * reset. The first AGFL update performed then resets the AGFL indexes and
+ * refills the AGFL with known good free blocks, allowing the filesystem to
+ * continue operating normally at the cost of a few leaked free space blocks.
+ */
 static xfs_failaddr_t
 xfs_agf_verify(
 	struct xfs_buf		*bp)
@@ -2893,7 +2986,6 @@ xfs_agf_verify(
 		return __this_address;
 
 	return NULL;
-
 }
 
 static void
@@ -3447,3 +3539,20 @@ xfs_agfl_walk(
 
 	return 0;
 }
+
+int __init
+xfs_extfree_intent_init_cache(void)
+{
+	xfs_extfree_item_cache = kmem_cache_create("xfs_extfree_intent",
+			sizeof(struct xfs_extent_free_item),
+			0, 0, NULL);
+
+	return xfs_extfree_item_cache != NULL ? 0 : -ENOMEM;
+}
+
+void
+xfs_extfree_intent_destroy_cache(void)
+{
+	kmem_cache_destroy(xfs_extfree_item_cache);
+	xfs_extfree_item_cache = NULL;
+}
diff --git a/fs/xfs/libxfs/xfs_alloc.h b/fs/xfs/libxfs/xfs_alloc.h
index 6c22b12176b8b65153c6405c906d1a70876c68b4..9ccec5d42c9794210d2d770011daaefa85399cc9 100644
--- a/fs/xfs/libxfs/xfs_alloc.h
+++ b/fs/xfs/libxfs/xfs_alloc.h
@@ -245,4 +245,42 @@ xfs_buf_to_agfl_bno(
 	return bp->b_addr;
 }
 
+int __xfs_free_extent_later(struct xfs_trans *tp, xfs_fsblock_t bno,
+		xfs_filblks_t len, const struct xfs_owner_info *oinfo,
+		enum xfs_ag_resv_type type, bool skip_discard);
+
+/*
+ * List of extents to be free "later".
+ * The list is kept sorted on xbf_startblock.
+ */
+struct xfs_extent_free_item {
+	struct list_head	xefi_list;
+	uint64_t		xefi_owner;
+	xfs_fsblock_t		xefi_startblock;/* starting fs block number */
+	xfs_extlen_t		xefi_blockcount;/* number of blocks in extent */
+	unsigned int		xefi_flags;
+	enum xfs_ag_resv_type	xefi_agresv;
+};
+
+#define XFS_EFI_SKIP_DISCARD	(1U << 0) /* don't issue discard */
+#define XFS_EFI_ATTR_FORK	(1U << 1) /* freeing attr fork block */
+#define XFS_EFI_BMBT_BLOCK	(1U << 2) /* freeing bmap btree block */
+
+static inline int
+xfs_free_extent_later(
+	struct xfs_trans		*tp,
+	xfs_fsblock_t			bno,
+	xfs_filblks_t			len,
+	const struct xfs_owner_info	*oinfo,
+	enum xfs_ag_resv_type		type)
+{
+	return __xfs_free_extent_later(tp, bno, len, oinfo, type, false);
+}
+
+
+extern struct kmem_cache	*xfs_extfree_item_cache;
+
+int __init xfs_extfree_intent_init_cache(void);
+void xfs_extfree_intent_destroy_cache(void);
+
 #endif	/* __XFS_ALLOC_H__ */
diff --git a/fs/xfs/libxfs/xfs_alloc_btree.c b/fs/xfs/libxfs/xfs_alloc_btree.c
index 9f5a45f7baed7842a6ac5ad7cb0eb7e68eeda2bc..4a62e37e5abe3a136c7b0f7854483262f097b217 100644
--- a/fs/xfs/libxfs/xfs_alloc_btree.c
+++ b/fs/xfs/libxfs/xfs_alloc_btree.c
@@ -482,7 +482,7 @@ xfs_allocbt_init_common(
 
 	ASSERT(btnum == XFS_BTNUM_BNO || btnum == XFS_BTNUM_CNT);
 
-	cur = kmem_cache_zalloc(xfs_btree_cur_zone, GFP_NOFS | __GFP_NOFAIL);
+	cur = kmem_cache_zalloc(xfs_btree_cur_cache, GFP_NOFS | __GFP_NOFAIL);
 
 	cur->bc_tp = tp;
 	cur->bc_mp = mp;
diff --git a/fs/xfs/libxfs/xfs_attr_leaf.c b/fs/xfs/libxfs/xfs_attr_leaf.c
index 5d453d1b4499c6ff3fcf8023cbf934734cdca7d8..7ddc4c685590bc0a9bb5d9a639865d4fd9319344 100644
--- a/fs/xfs/libxfs/xfs_attr_leaf.c
+++ b/fs/xfs/libxfs/xfs_attr_leaf.c
@@ -785,7 +785,7 @@ xfs_attr_fork_remove(
 	ASSERT(ip->i_afp->if_nextents == 0);
 
 	xfs_idestroy_fork(ip->i_afp);
-	kmem_cache_free(xfs_ifork_zone, ip->i_afp);
+	kmem_cache_free(xfs_ifork_cache, ip->i_afp);
 	ip->i_afp = NULL;
 	ip->i_d.di_forkoff = 0;
 	xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index 74308286899769ee705dbdd01c6a73b63b466141..bdc286ee65c2882c1cc7db4db49702e2578bd7cd 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -37,8 +37,7 @@
 #include "xfs_icache.h"
 #include "xfs_iomap.h"
 
-
-kmem_zone_t		*xfs_bmap_free_item_zone;
+struct kmem_cache		*xfs_bmap_intent_cache;
 
 /*
  * Miscellaneous helper functions
@@ -519,56 +518,6 @@ xfs_bmap_validate_ret(
 #define	xfs_bmap_validate_ret(bno,len,flags,mval,onmap,nmap)	do { } while (0)
 #endif /* DEBUG */
 
-/*
- * bmap free list manipulation functions
- */
-
-/*
- * Add the extent to the list of extents to be free at transaction end.
- * The list is maintained sorted (by block number).
- */
-void
-__xfs_bmap_add_free(
-	struct xfs_trans		*tp,
-	xfs_fsblock_t			bno,
-	xfs_filblks_t			len,
-	const struct xfs_owner_info	*oinfo,
-	bool				skip_discard)
-{
-	struct xfs_extent_free_item	*new;		/* new element */
-#ifdef DEBUG
-	struct xfs_mount		*mp = tp->t_mountp;
-	xfs_agnumber_t			agno;
-	xfs_agblock_t			agbno;
-
-	ASSERT(bno != NULLFSBLOCK);
-	ASSERT(len > 0);
-	ASSERT(len <= MAXEXTLEN);
-	ASSERT(!isnullstartblock(bno));
-	agno = XFS_FSB_TO_AGNO(mp, bno);
-	agbno = XFS_FSB_TO_AGBNO(mp, bno);
-	ASSERT(agno < mp->m_sb.sb_agcount);
-	ASSERT(agbno < mp->m_sb.sb_agblocks);
-	ASSERT(len < mp->m_sb.sb_agblocks);
-	ASSERT(agbno + len <= mp->m_sb.sb_agblocks);
-#endif
-	ASSERT(xfs_bmap_free_item_zone != NULL);
-
-	new = kmem_cache_alloc(xfs_bmap_free_item_zone,
-			       GFP_KERNEL | __GFP_NOFAIL);
-	new->xefi_startblock = bno;
-	new->xefi_blockcount = (xfs_extlen_t)len;
-	if (oinfo)
-		new->xefi_oinfo = *oinfo;
-	else
-		new->xefi_oinfo = XFS_RMAP_OINFO_SKIP_UPDATE;
-	new->xefi_skip_discard = skip_discard;
-	trace_xfs_bmap_free_defer(tp->t_mountp,
-			XFS_FSB_TO_AGNO(tp->t_mountp, bno), 0,
-			XFS_FSB_TO_AGBNO(tp->t_mountp, bno), len);
-	xfs_defer_add(tp, XFS_DEFER_OPS_TYPE_FREE, &new->xefi_list);
-}
-
 /*
  * Inode fork format manipulation functions
  */
@@ -624,7 +573,11 @@ xfs_bmap_btree_to_extents(
 	if ((error = xfs_btree_check_block(cur, cblock, 0, cbp)))
 		return error;
 	xfs_rmap_ino_bmbt_owner(&oinfo, ip->i_ino, whichfork);
-	xfs_bmap_add_free(cur->bc_tp, cbno, 1, &oinfo);
+	error = xfs_free_extent_later(cur->bc_tp, cbno, 1, &oinfo,
+			XFS_AG_RESV_NONE);
+	if (error)
+		return error;
+
 	ip->i_d.di_nblocks--;
 	xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, -1L);
 	xfs_trans_binval(tp, cbp);
@@ -1101,7 +1054,7 @@ xfs_bmap_add_attrfork(
 		goto trans_cancel;
 	ASSERT(ip->i_afp == NULL);
 
-	ip->i_afp = kmem_cache_zalloc(xfs_ifork_zone,
+	ip->i_afp = kmem_cache_zalloc(xfs_ifork_cache,
 				      GFP_KERNEL | __GFP_NOFAIL);
 
 	ip->i_afp->if_format = XFS_DINODE_FMT_EXTENTS;
@@ -5420,10 +5373,13 @@ xfs_bmap_del_extent_real(
 		if (xfs_is_reflink_inode(ip) && whichfork == XFS_DATA_FORK) {
 			xfs_refcount_decrease_extent(tp, del);
 		} else {
-			__xfs_bmap_add_free(tp, del->br_startblock,
+			error = __xfs_free_extent_later(tp, del->br_startblock,
 					del->br_blockcount, NULL,
-					(bflags & XFS_BMAPI_NODISCARD) ||
-					del->br_state == XFS_EXT_UNWRITTEN);
+					XFS_AG_RESV_NONE,
+					((bflags & XFS_BMAPI_NODISCARD) ||
+					del->br_state == XFS_EXT_UNWRITTEN));
+			if (error)
+				goto done;
 		}
 	}
 
@@ -6330,7 +6286,7 @@ __xfs_bmap_add(
 			bmap->br_blockcount,
 			bmap->br_state);
 
-	bi = kmem_alloc(sizeof(struct xfs_bmap_intent), KM_NOFS);
+	bi = kmem_cache_alloc(xfs_bmap_intent_cache, GFP_NOFS | __GFP_NOFAIL);
 	INIT_LIST_HEAD(&bi->bi_list);
 	bi->bi_type = type;
 	bi->bi_owner = ip;
@@ -6440,15 +6396,28 @@ xfs_bmap_validate_extent(
 		if (!xfs_verify_rtbno(mp, endfsb))
 			return __this_address;
 	} else {
-		if (!xfs_verify_fsbno(mp, irec->br_startblock))
-			return __this_address;
-		if (!xfs_verify_fsbno(mp, endfsb))
-			return __this_address;
-		if (XFS_FSB_TO_AGNO(mp, irec->br_startblock) !=
-		    XFS_FSB_TO_AGNO(mp, endfsb))
+		if (!xfs_verify_fsbext(mp, irec->br_startblock,
+					   irec->br_blockcount))
 			return __this_address;
 	}
 	if (irec->br_state != XFS_EXT_NORM && whichfork != XFS_DATA_FORK)
 		return __this_address;
 	return NULL;
 }
+
+int __init
+xfs_bmap_intent_init_cache(void)
+{
+	xfs_bmap_intent_cache = kmem_cache_create("xfs_bmap_intent",
+			sizeof(struct xfs_bmap_intent),
+			0, 0, NULL);
+
+	return xfs_bmap_intent_cache != NULL ? 0 : -ENOMEM;
+}
+
+void
+xfs_bmap_intent_destroy_cache(void)
+{
+	kmem_cache_destroy(xfs_bmap_intent_cache);
+	xfs_bmap_intent_cache = NULL;
+}
diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h
index 2667722bdd2cf595dfc15a25c9d9b2aad7370de3..54b9607a545a792691a73894d98261926b477f08 100644
--- a/fs/xfs/libxfs/xfs_bmap.h
+++ b/fs/xfs/libxfs/xfs_bmap.h
@@ -13,8 +13,6 @@ struct xfs_inode;
 struct xfs_mount;
 struct xfs_trans;
 
-extern kmem_zone_t	*xfs_bmap_free_item_zone;
-
 /*
  * Argument structure for xfs_bmap_alloc.
  */
@@ -45,19 +43,6 @@ struct xfs_bmalloca {
 	int			flags;
 };
 
-/*
- * List of extents to be free "later".
- * The list is kept sorted on xbf_startblock.
- */
-struct xfs_extent_free_item
-{
-	xfs_fsblock_t		xefi_startblock;/* starting fs block number */
-	xfs_extlen_t		xefi_blockcount;/* number of blocks in extent */
-	bool			xefi_skip_discard;
-	struct list_head	xefi_list;
-	struct xfs_owner_info	xefi_oinfo;	/* extent owner */
-};
-
 #define	XFS_BMAP_MAX_NMAP	4
 
 /*
@@ -190,9 +175,6 @@ int	xfs_bmap_add_attrfork(struct xfs_inode *ip, int size, int rsvd);
 int	xfs_bmap_set_attrforkoff(struct xfs_inode *ip, int size, int *version);
 void	xfs_bmap_local_to_extents_empty(struct xfs_trans *tp,
 		struct xfs_inode *ip, int whichfork);
-void	__xfs_bmap_add_free(struct xfs_trans *tp, xfs_fsblock_t bno,
-		xfs_filblks_t len, const struct xfs_owner_info *oinfo,
-		bool skip_discard);
 void	xfs_bmap_compute_maxlevels(struct xfs_mount *mp, int whichfork);
 int	xfs_bmap_first_unused(struct xfs_trans *tp, struct xfs_inode *ip,
 		xfs_extlen_t len, xfs_fileoff_t *unused, int whichfork);
@@ -241,16 +223,6 @@ int	xfs_bmap_add_extent_unwritten_real(struct xfs_trans *tp,
 		struct xfs_iext_cursor *icur, struct xfs_btree_cur **curp,
 		struct xfs_bmbt_irec *new, int *logflagsp);
 
-static inline void
-xfs_bmap_add_free(
-	struct xfs_trans		*tp,
-	xfs_fsblock_t			bno,
-	xfs_filblks_t			len,
-	const struct xfs_owner_info	*oinfo)
-{
-	__xfs_bmap_add_free(tp, bno, len, oinfo, false);
-}
-
 enum xfs_bmap_intent_type {
 	XFS_BMAP_MAP = 1,
 	XFS_BMAP_UNMAP,
@@ -298,4 +270,9 @@ xfs_atomic_staging_add_post(
 	xfs_agnumber_t		agno,
 	struct xfs_atomic_staging *new);
 
+extern struct kmem_cache	*xfs_bmap_intent_cache;
+
+int __init xfs_bmap_intent_init_cache(void);
+void xfs_bmap_intent_destroy_cache(void);
+
 #endif	/* __XFS_BMAP_H__ */
diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c
index ecec604e6e4d7eddf9259d06b23d63426a3488a1..556b36a7b31a684d59a352c4264a73fd65642524 100644
--- a/fs/xfs/libxfs/xfs_bmap_btree.c
+++ b/fs/xfs/libxfs/xfs_bmap_btree.c
@@ -284,11 +284,15 @@ xfs_bmbt_free_block(
 	struct xfs_trans	*tp = cur->bc_tp;
 	xfs_fsblock_t		fsbno = XFS_DADDR_TO_FSB(mp, XFS_BUF_ADDR(bp));
 	struct xfs_owner_info	oinfo;
+	int			error;
 
 	xfs_rmap_ino_bmbt_owner(&oinfo, ip->i_ino, cur->bc_ino.whichfork);
-	xfs_bmap_add_free(cur->bc_tp, fsbno, 1, &oinfo);
-	ip->i_d.di_nblocks--;
+	error = xfs_free_extent_later(cur->bc_tp, fsbno, 1, &oinfo,
+			XFS_AG_RESV_NONE);
+	if (error)
+		return error;
 
+	ip->i_d.di_nblocks--;
 	xfs_trans_log_inode(tp, ip, XFS_ILOG_CORE);
 	xfs_trans_mod_dquot_byino(tp, ip, XFS_TRANS_DQ_BCOUNT, -1L);
 	return 0;
@@ -552,7 +556,7 @@ xfs_bmbt_init_cursor(
 	struct xfs_btree_cur	*cur;
 	ASSERT(whichfork != XFS_COW_FORK);
 
-	cur = kmem_cache_zalloc(xfs_btree_cur_zone, GFP_NOFS | __GFP_NOFAIL);
+	cur = kmem_cache_zalloc(xfs_btree_cur_cache, GFP_NOFS | __GFP_NOFAIL);
 
 	cur->bc_tp = tp;
 	cur->bc_mp = mp;
diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c
index 24c7d30e41dfee71b5885ae4b76608d45378a370..b5aa24fd4936f87869b7ad93d6b72110272952fa 100644
--- a/fs/xfs/libxfs/xfs_btree.c
+++ b/fs/xfs/libxfs/xfs_btree.c
@@ -25,7 +25,7 @@
 /*
  * Cursor allocation zone.
  */
-kmem_zone_t	*xfs_btree_cur_zone;
+struct kmem_cache	*xfs_btree_cur_cache;
 
 /*
  * Btree magic numbers.
@@ -382,7 +382,7 @@ xfs_btree_del_cursor(
 	       XFS_FORCED_SHUTDOWN(cur->bc_mp) || error != 0);
 	if (unlikely(cur->bc_flags & XFS_BTREE_STAGING))
 		kmem_free(cur->bc_ops);
-	kmem_cache_free(xfs_btree_cur_zone, cur);
+	kmem_cache_free(xfs_btree_cur_cache, cur);
 }
 
 /*
diff --git a/fs/xfs/libxfs/xfs_btree.h b/fs/xfs/libxfs/xfs_btree.h
index 10e50cbacacf5ddf5af7ceb2ad8429ac5028b8ae..8885b00020f6649863b6534c8f3bbbf737bccc2a 100644
--- a/fs/xfs/libxfs/xfs_btree.h
+++ b/fs/xfs/libxfs/xfs_btree.h
@@ -12,7 +12,7 @@ struct xfs_mount;
 struct xfs_trans;
 struct xfs_ifork;
 
-extern kmem_zone_t	*xfs_btree_cur_zone;
+extern struct kmem_cache	*xfs_btree_cur_cache;
 
 /*
  * Generic key, ptr and record wrapper structures.
diff --git a/fs/xfs/libxfs/xfs_da_btree.c b/fs/xfs/libxfs/xfs_da_btree.c
index e46bc03365db2d84746965bed6f39980d537db4d..432df0809be33b6577325a0c893a0bb898166e64 100644
--- a/fs/xfs/libxfs/xfs_da_btree.c
+++ b/fs/xfs/libxfs/xfs_da_btree.c
@@ -72,7 +72,7 @@ STATIC int	xfs_da3_blk_unlink(xfs_da_state_t *state,
 				  xfs_da_state_blk_t *save_blk);
 
 
-kmem_zone_t *xfs_da_state_zone;	/* anchor for state struct zone */
+struct kmem_cache	*xfs_da_state_cache;	/* anchor for dir/attr state */
 
 /*
  * Allocate a dir-state structure.
@@ -84,7 +84,7 @@ xfs_da_state_alloc(
 {
 	struct xfs_da_state	*state;
 
-	state = kmem_cache_zalloc(xfs_da_state_zone, GFP_NOFS | __GFP_NOFAIL);
+	state = kmem_cache_zalloc(xfs_da_state_cache, GFP_NOFS | __GFP_NOFAIL);
 	state->args = args;
 	state->mp = args->dp->i_mount;
 	return state;
@@ -113,7 +113,7 @@ xfs_da_state_free(xfs_da_state_t *state)
 #ifdef DEBUG
 	memset((char *)state, 0, sizeof(*state));
 #endif /* DEBUG */
-	kmem_cache_free(xfs_da_state_zone, state);
+	kmem_cache_free(xfs_da_state_cache, state);
 }
 
 static inline int xfs_dabuf_nfsb(struct xfs_mount *mp, int whichfork)
diff --git a/fs/xfs/libxfs/xfs_da_btree.h b/fs/xfs/libxfs/xfs_da_btree.h
index ad5dd324631aba4c31cb67bc2951b2315e17c3d7..0faf7d9ac241fbda34bdccb8a2772c0bc347415f 100644
--- a/fs/xfs/libxfs/xfs_da_btree.h
+++ b/fs/xfs/libxfs/xfs_da_btree.h
@@ -9,7 +9,6 @@
 
 struct xfs_inode;
 struct xfs_trans;
-struct zone;
 
 /*
  * Directory/attribute geometry information. There will be one of these for each
@@ -227,6 +226,6 @@ void	xfs_da3_node_hdr_from_disk(struct xfs_mount *mp,
 void	xfs_da3_node_hdr_to_disk(struct xfs_mount *mp,
 		struct xfs_da_intnode *to, struct xfs_da3_icnode_hdr *from);
 
-extern struct kmem_zone *xfs_da_state_zone;
+extern struct kmem_cache	*xfs_da_state_cache;
 
 #endif	/* __XFS_DA_BTREE_H__ */
diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c
index eff4a127188e5a5a0f9b6ec624dc1627e6dbd533..39c2b84a222bd05b2fd1237c7a67116004fca86b 100644
--- a/fs/xfs/libxfs/xfs_defer.c
+++ b/fs/xfs/libxfs/xfs_defer.c
@@ -18,6 +18,12 @@
 #include "xfs_trace.h"
 #include "xfs_icache.h"
 #include "xfs_log.h"
+#include "xfs_rmap.h"
+#include "xfs_refcount.h"
+#include "xfs_bmap.h"
+#include "xfs_alloc.h"
+
+static struct kmem_cache	*xfs_defer_pending_cache;
 
 /*
  * Deferred Operations in XFS
@@ -342,7 +348,7 @@ xfs_defer_cancel_list(
 			ops->cancel_item(pwi);
 		}
 		ASSERT(dfp->dfp_count == 0);
-		kmem_free(dfp);
+		kmem_cache_free(xfs_defer_pending_cache, dfp);
 	}
 }
 
@@ -439,7 +445,7 @@ xfs_defer_finish_one(
 
 	/* Done with the dfp, free it. */
 	list_del(&dfp->dfp_list);
-	kmem_free(dfp);
+	kmem_cache_free(xfs_defer_pending_cache, dfp);
 out:
 	if (ops->finish_cleanup)
 		ops->finish_cleanup(tp, state, error);
@@ -573,8 +579,8 @@ xfs_defer_add(
 			dfp = NULL;
 	}
 	if (!dfp) {
-		dfp = kmem_alloc(sizeof(struct xfs_defer_pending),
-				KM_NOFS);
+		dfp = kmem_cache_zalloc(xfs_defer_pending_cache,
+				GFP_NOFS | __GFP_NOFAIL);
 		dfp->dfp_type = type;
 		dfp->dfp_intent = NULL;
 		dfp->dfp_done = NULL;
@@ -742,3 +748,59 @@ xfs_defer_ops_continue(
 
 	kmem_free(dfc);
 }
+
+static inline int __init
+xfs_defer_init_cache(void)
+{
+	xfs_defer_pending_cache = kmem_cache_create("xfs_defer_pending",
+			sizeof(struct xfs_defer_pending),
+			0, 0, NULL);
+
+	return xfs_defer_pending_cache != NULL ? 0 : -ENOMEM;
+}
+
+static inline void
+xfs_defer_destroy_cache(void)
+{
+	kmem_cache_destroy(xfs_defer_pending_cache);
+	xfs_defer_pending_cache = NULL;
+}
+
+/* Set up caches for deferred work items. */
+int __init
+xfs_defer_init_item_caches(void)
+{
+	int				error;
+
+	error = xfs_defer_init_cache();
+	if (error)
+		return error;
+	error = xfs_rmap_intent_init_cache();
+	if (error)
+		goto err;
+	error = xfs_refcount_intent_init_cache();
+	if (error)
+		goto err;
+	error = xfs_bmap_intent_init_cache();
+	if (error)
+		goto err;
+	error = xfs_extfree_intent_init_cache();
+	if (error)
+		goto err;
+
+	return 0;
+err:
+	xfs_defer_destroy_item_caches();
+	return error;
+}
+
+/* Destroy all the deferred work item caches, if they've been allocated. */
+void
+xfs_defer_destroy_item_caches(void)
+{
+	xfs_extfree_intent_destroy_cache();
+	xfs_bmap_intent_destroy_cache();
+	xfs_refcount_intent_destroy_cache();
+	xfs_rmap_intent_destroy_cache();
+	xfs_defer_destroy_cache();
+}
diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h
index 05472f71fffe432b20613854bf7fc6e91abacc39..57f223347d8a47eaa9d88fac0f2198ae444c206c 100644
--- a/fs/xfs/libxfs/xfs_defer.h
+++ b/fs/xfs/libxfs/xfs_defer.h
@@ -100,4 +100,7 @@ void xfs_defer_ops_continue(struct xfs_defer_capture *d, struct xfs_trans *tp,
 		struct xfs_inode **captured_ipp);
 void xfs_defer_ops_release(struct xfs_mount *mp, struct xfs_defer_capture *d);
 
+int __init xfs_defer_init_item_caches(void);
+void xfs_defer_destroy_item_caches(void);
+
 #endif /* __XFS_DEFER_H__ */
diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c
index 974e71bc4a3a6c04d17c4d20d4b6b603d8ee8250..4545edd5416d503c3318fa5bfec4eddc8b70b0c9 100644
--- a/fs/xfs/libxfs/xfs_ialloc.c
+++ b/fs/xfs/libxfs/xfs_ialloc.c
@@ -1851,7 +1851,7 @@ xfs_dialloc(
  * might be sparse and only free the regions that are allocated as part of the
  * chunk.
  */
-STATIC void
+static int
 xfs_difree_inode_chunk(
 	struct xfs_trans		*tp,
 	xfs_agnumber_t			agno,
@@ -1868,10 +1868,10 @@ xfs_difree_inode_chunk(
 
 	if (!xfs_inobt_issparse(rec->ir_holemask)) {
 		/* not sparse, calculate extent info directly */
-		xfs_bmap_add_free(tp, XFS_AGB_TO_FSB(mp, agno, sagbno),
-				  M_IGEO(mp)->ialloc_blks,
-				  &XFS_RMAP_OINFO_INODES);
-		return;
+		return xfs_free_extent_later(tp,
+				XFS_AGB_TO_FSB(mp, agno, sagbno),
+				M_IGEO(mp)->ialloc_blks, &XFS_RMAP_OINFO_INODES,
+				XFS_AG_RESV_NONE);
 	}
 
 	/* holemask is only 16-bits (fits in an unsigned long) */
@@ -1888,6 +1888,8 @@ xfs_difree_inode_chunk(
 						XFS_INOBT_HOLEMASK_BITS);
 	nextbit = startidx + 1;
 	while (startidx < XFS_INOBT_HOLEMASK_BITS) {
+		int error;
+
 		nextbit = find_next_zero_bit(holemask, XFS_INOBT_HOLEMASK_BITS,
 					     nextbit);
 		/*
@@ -1913,8 +1915,11 @@ xfs_difree_inode_chunk(
 
 		ASSERT(agbno % mp->m_sb.sb_spino_align == 0);
 		ASSERT(contigblk % mp->m_sb.sb_spino_align == 0);
-		xfs_bmap_add_free(tp, XFS_AGB_TO_FSB(mp, agno, agbno),
-				  contigblk, &XFS_RMAP_OINFO_INODES);
+		error = xfs_free_extent_later(tp,
+				XFS_AGB_TO_FSB(mp, agno, agbno), contigblk,
+				&XFS_RMAP_OINFO_INODES, XFS_AG_RESV_NONE);
+		if (error)
+			return error;
 
 		/* reset range to current bit and carry on... */
 		startidx = endidx = nextbit;
@@ -1922,6 +1927,7 @@ xfs_difree_inode_chunk(
 next:
 		nextbit++;
 	}
+	return 0;
 }
 
 STATIC int
@@ -2022,7 +2028,9 @@ xfs_difree_inobt(
 			goto error0;
 		}
 
-		xfs_difree_inode_chunk(tp, agno, &rec);
+		error= xfs_difree_inode_chunk(tp, agno, &rec);
+		if (error)
+			goto error0;
 	} else {
 		xic->deleted = false;
 
diff --git a/fs/xfs/libxfs/xfs_ialloc_btree.c b/fs/xfs/libxfs/xfs_ialloc_btree.c
index cc919a2ee870f09c00e579eeae95bccb98338321..d4fc0794d22500cf17d9649d68f82d44cb660902 100644
--- a/fs/xfs/libxfs/xfs_ialloc_btree.c
+++ b/fs/xfs/libxfs/xfs_ialloc_btree.c
@@ -155,7 +155,7 @@ __xfs_inobt_free_block(
 	enum xfs_ag_resv_type	resv)
 {
 	xfs_inobt_mod_blockcount(cur, -1);
-	return xfs_free_extent(cur->bc_tp,
+	return xfs_free_extent_later(cur->bc_tp,
 			XFS_DADDR_TO_FSB(cur->bc_mp, XFS_BUF_ADDR(bp)), 1,
 			&XFS_RMAP_OINFO_INOBT, resv);
 }
@@ -432,7 +432,7 @@ xfs_inobt_init_common(
 {
 	struct xfs_btree_cur	*cur;
 
-	cur = kmem_cache_zalloc(xfs_btree_cur_zone, GFP_NOFS | __GFP_NOFAIL);
+	cur = kmem_cache_zalloc(xfs_btree_cur_cache, GFP_NOFS | __GFP_NOFAIL);
 	cur->bc_tp = tp;
 	cur->bc_mp = mp;
 	cur->bc_btnum = btnum;
diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c
index 7575de5cecb1f6f907c19486d0b53cfed55afd6a..687574e5838b85810d32007f853e4860cc2d5b4a 100644
--- a/fs/xfs/libxfs/xfs_inode_fork.c
+++ b/fs/xfs/libxfs/xfs_inode_fork.c
@@ -24,7 +24,7 @@
 #include "xfs_dir2_priv.h"
 #include "xfs_attr_leaf.h"
 
-kmem_zone_t *xfs_ifork_zone;
+struct kmem_cache *xfs_ifork_cache;
 
 void
 xfs_init_local_fork(
@@ -291,7 +291,7 @@ xfs_iformat_attr_fork(
 	 * Initialize the extent count early, as the per-format routines may
 	 * depend on it.
 	 */
-	ip->i_afp = kmem_cache_zalloc(xfs_ifork_zone, GFP_NOFS | __GFP_NOFAIL);
+	ip->i_afp = kmem_cache_zalloc(xfs_ifork_cache, GFP_NOFS | __GFP_NOFAIL);
 	ip->i_afp->if_format = dip->di_aformat;
 	if (unlikely(ip->i_afp->if_format == 0)) /* pre IRIX 6.2 file system */
 		ip->i_afp->if_format = XFS_DINODE_FMT_EXTENTS;
@@ -318,7 +318,7 @@ xfs_iformat_attr_fork(
 	}
 
 	if (error) {
-		kmem_cache_free(xfs_ifork_zone, ip->i_afp);
+		kmem_cache_free(xfs_ifork_cache, ip->i_afp);
 		ip->i_afp = NULL;
 	}
 	return error;
@@ -673,7 +673,7 @@ xfs_ifork_init_cow(
 	if (ip->i_cowfp)
 		return;
 
-	ip->i_cowfp = kmem_cache_zalloc(xfs_ifork_zone,
+	ip->i_cowfp = kmem_cache_zalloc(xfs_ifork_cache,
 				       GFP_NOFS | __GFP_NOFAIL);
 	ip->i_cowfp->if_flags = XFS_IFEXTENTS;
 	ip->i_cowfp->if_format = XFS_DINODE_FMT_EXTENTS;
diff --git a/fs/xfs/libxfs/xfs_inode_fork.h b/fs/xfs/libxfs/xfs_inode_fork.h
index a4953e95c4f3f61f81ef6e3a72002d238e096f91..76714fc258e31104827461a24c4a315c40800f06 100644
--- a/fs/xfs/libxfs/xfs_inode_fork.h
+++ b/fs/xfs/libxfs/xfs_inode_fork.h
@@ -166,7 +166,7 @@ static inline bool xfs_iext_peek_prev_extent(struct xfs_ifork *ifp,
 	     xfs_iext_get_extent((ifp), (ext), (got));	\
 	     xfs_iext_next((ifp), (ext)))
 
-extern struct kmem_zone	*xfs_ifork_zone;
+extern struct kmem_cache	*xfs_ifork_cache;
 
 extern void xfs_ifork_init_cow(struct xfs_inode *ip);
 
diff --git a/fs/xfs/libxfs/xfs_refcount.c b/fs/xfs/libxfs/xfs_refcount.c
index 8106b91959b92d22dfe90290dafa4dd6621f145b..690bcaec5e4ca04d6fa6fae817191b2f3fc59ea1 100644
--- a/fs/xfs/libxfs/xfs_refcount.c
+++ b/fs/xfs/libxfs/xfs_refcount.c
@@ -23,6 +23,8 @@
 #include "xfs_refcount.h"
 #include "xfs_rmap.h"
 
+struct kmem_cache	*xfs_refcount_intent_cache;
+
 /* Allowable refcount adjustment amounts. */
 enum xfs_refc_adjust_op {
 	XFS_REFCOUNT_ADJUST_INCREASE	= 1,
@@ -915,8 +917,7 @@ xfs_refcount_adjust_extents(
 	struct xfs_btree_cur	*cur,
 	xfs_agblock_t		*agbno,
 	xfs_extlen_t		*aglen,
-	enum xfs_refc_adjust_op	adj,
-	struct xfs_owner_info	*oinfo)
+	enum xfs_refc_adjust_op	adj)
 {
 	struct xfs_refcount_irec	ext, tmp;
 	int				error;
@@ -973,8 +974,11 @@ xfs_refcount_adjust_extents(
 				fsbno = XFS_AGB_TO_FSB(cur->bc_mp,
 						cur->bc_ag.agno,
 						tmp.rc_startblock);
-				xfs_bmap_add_free(cur->bc_tp, fsbno,
-						  tmp.rc_blockcount, oinfo);
+				error = xfs_free_extent_later(cur->bc_tp, fsbno,
+						  tmp.rc_blockcount, NULL,
+						  XFS_AG_RESV_NONE);
+				if (error)
+					goto out_error;
 			}
 
 			(*agbno) += tmp.rc_blockcount;
@@ -1018,8 +1022,11 @@ xfs_refcount_adjust_extents(
 			fsbno = XFS_AGB_TO_FSB(cur->bc_mp,
 					cur->bc_ag.agno,
 					ext.rc_startblock);
-			xfs_bmap_add_free(cur->bc_tp, fsbno, ext.rc_blockcount,
-					  oinfo);
+			error = xfs_free_extent_later(cur->bc_tp, fsbno,
+					ext.rc_blockcount, NULL,
+					XFS_AG_RESV_NONE);
+			if (error)
+				goto out_error;
 		}
 
 skip:
@@ -1047,8 +1054,7 @@ xfs_refcount_adjust(
 	xfs_extlen_t		aglen,
 	xfs_agblock_t		*new_agbno,
 	xfs_extlen_t		*new_aglen,
-	enum xfs_refc_adjust_op	adj,
-	struct xfs_owner_info	*oinfo)
+	enum xfs_refc_adjust_op	adj)
 {
 	bool			shape_changed;
 	int			shape_changes = 0;
@@ -1091,8 +1097,7 @@ xfs_refcount_adjust(
 		cur->bc_ag.refc.shape_changes++;
 
 	/* Now that we've taken care of the ends, adjust the middle extents */
-	error = xfs_refcount_adjust_extents(cur, new_agbno, new_aglen,
-			adj, oinfo);
+	error = xfs_refcount_adjust_extents(cur, new_agbno, new_aglen, adj);
 	if (error)
 		goto out_error;
 
@@ -1191,12 +1196,12 @@ xfs_refcount_finish_one(
 	switch (type) {
 	case XFS_REFCOUNT_INCREASE:
 		error = xfs_refcount_adjust(rcur, bno, blockcount, &new_agbno,
-			new_len, XFS_REFCOUNT_ADJUST_INCREASE, NULL);
+				new_len, XFS_REFCOUNT_ADJUST_INCREASE);
 		*new_fsb = XFS_AGB_TO_FSB(mp, agno, new_agbno);
 		break;
 	case XFS_REFCOUNT_DECREASE:
 		error = xfs_refcount_adjust(rcur, bno, blockcount, &new_agbno,
-			new_len, XFS_REFCOUNT_ADJUST_DECREASE, NULL);
+				new_len, XFS_REFCOUNT_ADJUST_DECREASE);
 		*new_fsb = XFS_AGB_TO_FSB(mp, agno, new_agbno);
 		break;
 	case XFS_REFCOUNT_ALLOC_COW:
@@ -1242,8 +1247,8 @@ __xfs_refcount_add(
 			type, XFS_FSB_TO_AGBNO(tp->t_mountp, startblock),
 			blockcount);
 
-	ri = kmem_alloc(sizeof(struct xfs_refcount_intent),
-			KM_NOFS);
+	ri = kmem_cache_alloc(xfs_refcount_intent_cache,
+			GFP_NOFS | __GFP_NOFAIL);
 	INIT_LIST_HEAD(&ri->ri_list);
 	ri->ri_type = type;
 	ri->ri_startblock = startblock;
@@ -1769,7 +1774,11 @@ xfs_refcount_recover_cow_leftovers(
 				rr->rr_rrec.rc_blockcount);
 
 		/* Free the block. */
-		xfs_bmap_add_free(tp, fsb, rr->rr_rrec.rc_blockcount, NULL);
+		error = xfs_free_extent_later(tp, fsb,
+				rr->rr_rrec.rc_blockcount, NULL,
+				XFS_AG_RESV_NONE);
+		if (error)
+			goto out_trans;
 
 		error = xfs_trans_commit(tp);
 		if (error)
@@ -1809,3 +1818,20 @@ xfs_refcount_has_record(
 
 	return xfs_btree_has_record(cur, &low, &high, exists);
 }
+
+int __init
+xfs_refcount_intent_init_cache(void)
+{
+	xfs_refcount_intent_cache = kmem_cache_create("xfs_refc_intent",
+			sizeof(struct xfs_refcount_intent),
+			0, 0, NULL);
+
+	return xfs_refcount_intent_cache != NULL ? 0 : -ENOMEM;
+}
+
+void
+xfs_refcount_intent_destroy_cache(void)
+{
+	kmem_cache_destroy(xfs_refcount_intent_cache);
+	xfs_refcount_intent_cache = NULL;
+}
diff --git a/fs/xfs/libxfs/xfs_refcount.h b/fs/xfs/libxfs/xfs_refcount.h
index 52d237a22590c9e48a37a7d7d51d4ec6c24f1c25..1272bedb89d2663f77ae4fbdef72158e22529555 100644
--- a/fs/xfs/libxfs/xfs_refcount.h
+++ b/fs/xfs/libxfs/xfs_refcount.h
@@ -87,4 +87,9 @@ extern void xfs_refcount_btrec_to_irec(union xfs_btree_rec *rec,
 extern int xfs_refcount_insert(struct xfs_btree_cur *cur,
 		struct xfs_refcount_irec *irec, int *stat);
 
+extern struct kmem_cache	*xfs_refcount_intent_cache;
+
+int __init xfs_refcount_intent_init_cache(void);
+void xfs_refcount_intent_destroy_cache(void);
+
 #endif	/* __XFS_REFCOUNT_H__ */
diff --git a/fs/xfs/libxfs/xfs_refcount_btree.c b/fs/xfs/libxfs/xfs_refcount_btree.c
index a6ac60ae94216589f0afe7a78a86ac24e82863ae..8b8dae811927a34748ab3b0437a9fe4f187b6c61 100644
--- a/fs/xfs/libxfs/xfs_refcount_btree.c
+++ b/fs/xfs/libxfs/xfs_refcount_btree.c
@@ -103,18 +103,13 @@ xfs_refcountbt_free_block(
 	struct xfs_buf		*agbp = cur->bc_ag.agbp;
 	struct xfs_agf		*agf = agbp->b_addr;
 	xfs_fsblock_t		fsbno = XFS_DADDR_TO_FSB(mp, XFS_BUF_ADDR(bp));
-	int			error;
 
 	trace_xfs_refcountbt_free_block(cur->bc_mp, cur->bc_ag.agno,
 			XFS_FSB_TO_AGBNO(cur->bc_mp, fsbno), 1);
 	be32_add_cpu(&agf->agf_refcount_blocks, -1);
 	xfs_alloc_log_agf(cur->bc_tp, agbp, XFS_AGF_REFCOUNT_BLOCKS);
-	error = xfs_free_extent(cur->bc_tp, fsbno, 1, &XFS_RMAP_OINFO_REFC,
+	return xfs_free_extent_later(cur->bc_tp, fsbno, 1, &XFS_RMAP_OINFO_REFC,
 			XFS_AG_RESV_METADATA);
-	if (error)
-		return error;
-
-	return error;
 }
 
 STATIC int
@@ -323,7 +318,7 @@ xfs_refcountbt_init_common(
 	ASSERT(agno != NULLAGNUMBER);
 	ASSERT(agno < mp->m_sb.sb_agcount);
 
-	cur = kmem_cache_zalloc(xfs_btree_cur_zone, GFP_NOFS | __GFP_NOFAIL);
+	cur = kmem_cache_zalloc(xfs_btree_cur_cache, GFP_NOFS | __GFP_NOFAIL);
 	cur->bc_tp = tp;
 	cur->bc_mp = mp;
 	cur->bc_btnum = XFS_BTNUM_REFC;
diff --git a/fs/xfs/libxfs/xfs_rmap.c b/fs/xfs/libxfs/xfs_rmap.c
index 2668ebe02865f1539cb3187eede38a3086d9e382..cb7706a5a8a8de16065e37c828b5a9983f531e23 100644
--- a/fs/xfs/libxfs/xfs_rmap.c
+++ b/fs/xfs/libxfs/xfs_rmap.c
@@ -22,6 +22,8 @@
 #include "xfs_error.h"
 #include "xfs_inode.h"
 
+struct kmem_cache	*xfs_rmap_intent_cache;
+
 /*
  * Lookup the first record less than or equal to [bno, len, owner, offset]
  * in the btree given by cur.
@@ -2487,7 +2489,7 @@ __xfs_rmap_add(
 			bmap->br_blockcount,
 			bmap->br_state);
 
-	ri = kmem_alloc(sizeof(struct xfs_rmap_intent), KM_NOFS);
+	ri = kmem_cache_alloc(xfs_rmap_intent_cache, GFP_NOFS | __GFP_NOFAIL);
 	INIT_LIST_HEAD(&ri->ri_list);
 	ri->ri_type = type;
 	ri->ri_owner = owner;
@@ -2781,3 +2783,20 @@ const struct xfs_owner_info XFS_RMAP_OINFO_REFC = {
 const struct xfs_owner_info XFS_RMAP_OINFO_COW = {
 	.oi_owner = XFS_RMAP_OWN_COW,
 };
+
+int __init
+xfs_rmap_intent_init_cache(void)
+{
+	xfs_rmap_intent_cache = kmem_cache_create("xfs_rmap_intent",
+			sizeof(struct xfs_rmap_intent),
+			0, 0, NULL);
+
+	return xfs_rmap_intent_cache != NULL ? 0 : -ENOMEM;
+}
+
+void
+xfs_rmap_intent_destroy_cache(void)
+{
+	kmem_cache_destroy(xfs_rmap_intent_cache);
+	xfs_rmap_intent_cache = NULL;
+}
diff --git a/fs/xfs/libxfs/xfs_rmap.h b/fs/xfs/libxfs/xfs_rmap.h
index abe633403fd152db0eecb4d31e25caaa5c5dd020..7fa8af50ebf3d7a5bbd869c27646d2283568bd65 100644
--- a/fs/xfs/libxfs/xfs_rmap.h
+++ b/fs/xfs/libxfs/xfs_rmap.h
@@ -212,4 +212,9 @@ extern const struct xfs_owner_info XFS_RMAP_OINFO_INODES;
 extern const struct xfs_owner_info XFS_RMAP_OINFO_REFC;
 extern const struct xfs_owner_info XFS_RMAP_OINFO_COW;
 
+extern struct kmem_cache	*xfs_rmap_intent_cache;
+
+int __init xfs_rmap_intent_init_cache(void);
+void xfs_rmap_intent_destroy_cache(void);
+
 #endif	/* __XFS_RMAP_H__ */
diff --git a/fs/xfs/libxfs/xfs_rmap_btree.c b/fs/xfs/libxfs/xfs_rmap_btree.c
index beb81c84a93753367d544c6ee40c74ff11369cef..20ea7272d6ec42f222d438ce20e14b5d7b4d7fbc 100644
--- a/fs/xfs/libxfs/xfs_rmap_btree.c
+++ b/fs/xfs/libxfs/xfs_rmap_btree.c
@@ -456,7 +456,7 @@ xfs_rmapbt_init_common(
 {
 	struct xfs_btree_cur	*cur;
 
-	cur = kmem_cache_zalloc(xfs_btree_cur_zone, GFP_NOFS | __GFP_NOFAIL);
+	cur = kmem_cache_zalloc(xfs_btree_cur_cache, GFP_NOFS | __GFP_NOFAIL);
 	cur->bc_tp = tp;
 	cur->bc_mp = mp;
 	/* Overlapping btree; 2 keys per pointer. */
diff --git a/fs/xfs/libxfs/xfs_types.c b/fs/xfs/libxfs/xfs_types.c
index 4f595546a639b7c784a670fe31a7cd6870e8d3e2..b74866dbea941ad94d9eb0141450cfe20915dead 100644
--- a/fs/xfs/libxfs/xfs_types.c
+++ b/fs/xfs/libxfs/xfs_types.c
@@ -61,6 +61,29 @@ xfs_verify_fsbno(
 	return xfs_verify_agbno(mp, agno, XFS_FSB_TO_AGBNO(mp, fsbno));
 }
 
+/*
+ * Verify that a data device extent is fully contained inside the filesystem,
+ * does not cross an AG boundary, and does not point at static metadata.
+ */
+bool
+xfs_verify_fsbext(
+	struct xfs_mount	*mp,
+	xfs_fsblock_t		fsbno,
+	xfs_fsblock_t		len)
+{
+	if (fsbno + len <= fsbno)
+		return false;
+
+	if (!xfs_verify_fsbno(mp, fsbno))
+		return false;
+
+	if (!xfs_verify_fsbno(mp, fsbno + len - 1))
+		return false;
+
+	return  XFS_FSB_TO_AGNO(mp, fsbno) ==
+		XFS_FSB_TO_AGNO(mp, fsbno + len - 1);
+}
+
 /* Calculate the first and last possible inode number in an AG. */
 void
 xfs_agino_range(
diff --git a/fs/xfs/libxfs/xfs_types.h b/fs/xfs/libxfs/xfs_types.h
index 397d94775440d039e43d05b37ebb68dac045459a..7feaaac25b3d76ee95c3c40463c4b99d08cb994b 100644
--- a/fs/xfs/libxfs/xfs_types.h
+++ b/fs/xfs/libxfs/xfs_types.h
@@ -184,6 +184,8 @@ xfs_agblock_t xfs_ag_block_count(struct xfs_mount *mp, xfs_agnumber_t agno);
 bool xfs_verify_agbno(struct xfs_mount *mp, xfs_agnumber_t agno,
 		xfs_agblock_t agbno);
 bool xfs_verify_fsbno(struct xfs_mount *mp, xfs_fsblock_t fsbno);
+bool xfs_verify_fsbext(struct xfs_mount *mp, xfs_fsblock_t fsbno,
+		xfs_fsblock_t len);
 
 void xfs_agino_range(struct xfs_mount *mp, xfs_agnumber_t agno,
 		xfs_agino_t *first, xfs_agino_t *last);
diff --git a/fs/xfs/scrub/bmap.c b/fs/xfs/scrub/bmap.c
index fed56d213a3f9c33acbc4502274e2680badd48ca..3e2ba787505904a7fee7133782fde04e48c0419a 100644
--- a/fs/xfs/scrub/bmap.c
+++ b/fs/xfs/scrub/bmap.c
@@ -359,10 +359,7 @@ xchk_bmap_iextent(
 		xchk_fblock_set_corrupt(info->sc, info->whichfork,
 				irec->br_startoff);
 	if (!info->is_rt &&
-	    (!xfs_verify_fsbno(mp, irec->br_startblock) ||
-	     !xfs_verify_fsbno(mp, end) ||
-	     XFS_FSB_TO_AGNO(mp, irec->br_startblock) !=
-				XFS_FSB_TO_AGNO(mp, end)))
+	    !xfs_verify_fsbext(mp, irec->br_startblock, irec->br_blockcount))
 		xchk_fblock_set_corrupt(info->sc, info->whichfork,
 				irec->br_startoff);
 
diff --git a/fs/xfs/xfs_attr_inactive.c b/fs/xfs/xfs_attr_inactive.c
index bfad669e6b2f8ea550fb582c5335682a047dfc3d..fd43c80147d01ae5809b14c7f802fd6ba47802b2 100644
--- a/fs/xfs/xfs_attr_inactive.c
+++ b/fs/xfs/xfs_attr_inactive.c
@@ -390,7 +390,7 @@ xfs_attr_inactive(
 	/* kill the in-core attr fork before we drop the inode lock */
 	if (dp->i_afp) {
 		xfs_idestroy_fork(dp->i_afp);
-		kmem_cache_free(xfs_ifork_zone, dp->i_afp);
+		kmem_cache_free(xfs_ifork_cache, dp->i_afp);
 		dp->i_afp = NULL;
 	}
 	if (lock_mode)
diff --git a/fs/xfs/xfs_bmap_item.c b/fs/xfs/xfs_bmap_item.c
index 984bb480f1774e5d971a7b9450e62c403b6e4320..5389f75b65c8b186211d5e9f4c5a54be7924ca46 100644
--- a/fs/xfs/xfs_bmap_item.c
+++ b/fs/xfs/xfs_bmap_item.c
@@ -26,8 +26,8 @@
 #include "xfs_log_recover.h"
 #include "xfs_quota.h"
 
-kmem_zone_t	*xfs_bui_zone;
-kmem_zone_t	*xfs_bud_zone;
+struct kmem_cache	*xfs_bui_cache;
+struct kmem_cache	*xfs_bud_cache;
 
 static const struct xfs_item_ops xfs_bui_item_ops;
 
@@ -40,7 +40,7 @@ STATIC void
 xfs_bui_item_free(
 	struct xfs_bui_log_item	*buip)
 {
-	kmem_cache_free(xfs_bui_zone, buip);
+	kmem_cache_free(xfs_bui_cache, buip);
 }
 
 /*
@@ -139,7 +139,7 @@ xfs_bui_init(
 {
 	struct xfs_bui_log_item		*buip;
 
-	buip = kmem_cache_zalloc(xfs_bui_zone, GFP_KERNEL | __GFP_NOFAIL);
+	buip = kmem_cache_zalloc(xfs_bui_cache, GFP_KERNEL | __GFP_NOFAIL);
 
 	xfs_log_item_init(mp, &buip->bui_item, XFS_LI_BUI, &xfs_bui_item_ops);
 	buip->bui_format.bui_nextents = XFS_BUI_MAX_FAST_EXTENTS;
@@ -199,7 +199,7 @@ xfs_bud_item_release(
 	struct xfs_bud_log_item	*budp = BUD_ITEM(lip);
 
 	xfs_bui_release(budp->bud_buip);
-	kmem_cache_free(xfs_bud_zone, budp);
+	kmem_cache_free(xfs_bud_cache, budp);
 }
 
 static const struct xfs_item_ops xfs_bud_item_ops = {
@@ -216,7 +216,7 @@ xfs_trans_get_bud(
 {
 	struct xfs_bud_log_item		*budp;
 
-	budp = kmem_cache_zalloc(xfs_bud_zone, GFP_KERNEL | __GFP_NOFAIL);
+	budp = kmem_cache_zalloc(xfs_bud_cache, GFP_KERNEL | __GFP_NOFAIL);
 	xfs_log_item_init(tp->t_mountp, &budp->bud_item, XFS_LI_BUD,
 			  &xfs_bud_item_ops);
 	budp->bud_buip = buip;
@@ -385,7 +385,7 @@ xfs_bmap_update_finish_item(
 		bmap->bi_bmap.br_blockcount = count;
 		return -EAGAIN;
 	}
-	kmem_free(bmap);
+	kmem_cache_free(xfs_bmap_intent_cache, bmap);
 	return error;
 }
 
@@ -405,7 +405,7 @@ xfs_bmap_update_cancel_item(
 	struct xfs_bmap_intent		*bmap;
 
 	bmap = container_of(item, struct xfs_bmap_intent, bi_list);
-	kmem_free(bmap);
+	kmem_cache_free(xfs_bmap_intent_cache, bmap);
 }
 
 const struct xfs_defer_op_type xfs_bmap_update_defer_type = {
diff --git a/fs/xfs/xfs_bmap_item.h b/fs/xfs/xfs_bmap_item.h
index b9be62f8bd5215d26e846ee9ab5fca5f46222001..3fafd3881a0bb2f372694e4680c7e28a2dc3ca13 100644
--- a/fs/xfs/xfs_bmap_item.h
+++ b/fs/xfs/xfs_bmap_item.h
@@ -25,7 +25,7 @@
 /* kernel only BUI/BUD definitions */
 
 struct xfs_mount;
-struct kmem_zone;
+struct kmem_cache;
 
 /*
  * Max number of extents in fast allocation path.
@@ -65,7 +65,7 @@ struct xfs_bud_log_item {
 	struct xfs_bud_log_format	bud_format;
 };
 
-extern struct kmem_zone	*xfs_bui_zone;
-extern struct kmem_zone	*xfs_bud_zone;
+extern struct kmem_cache	*xfs_bui_cache;
+extern struct kmem_cache	*xfs_bud_cache;
 
 #endif	/* __XFS_BMAP_ITEM_H__ */
diff --git a/fs/xfs/xfs_buf.c b/fs/xfs/xfs_buf.c
index 118819030dbb502dedbb37bf18a3bd7e3ee46a49..dc9fbc7550ee113e613b093d70248b9a52d35877 100644
--- a/fs/xfs/xfs_buf.c
+++ b/fs/xfs/xfs_buf.c
@@ -20,7 +20,7 @@
 #include "xfs_errortag.h"
 #include "xfs_error.h"
 
-static kmem_zone_t *xfs_buf_zone;
+static struct kmem_cache *xfs_buf_cache;
 
 #define xb_to_gfp(flags) \
 	((((flags) & XBF_READ_AHEAD) ? __GFP_NORETRY : GFP_NOFS) | __GFP_NOWARN)
@@ -223,7 +223,7 @@ _xfs_buf_alloc(
 	int			i;
 
 	*bpp = NULL;
-	bp = kmem_cache_zalloc(xfs_buf_zone, GFP_NOFS | __GFP_NOFAIL);
+	bp = kmem_cache_zalloc(xfs_buf_cache, GFP_NOFS | __GFP_NOFAIL);
 
 	/*
 	 * We don't want certain flags to appear in b_flags unless they are
@@ -250,7 +250,7 @@ _xfs_buf_alloc(
 	 */
 	error = xfs_buf_get_maps(bp, nmaps);
 	if (error)  {
-		kmem_cache_free(xfs_buf_zone, bp);
+		kmem_cache_free(xfs_buf_cache, bp);
 		return error;
 	}
 
@@ -344,7 +344,7 @@ xfs_buf_free(
 		kmem_free(bp->b_addr);
 	_xfs_buf_free_pages(bp);
 	xfs_buf_free_maps(bp);
-	kmem_cache_free(xfs_buf_zone, bp);
+	kmem_cache_free(xfs_buf_cache, bp);
 }
 
 /*
@@ -993,7 +993,7 @@ xfs_buf_get_uncached(
 	_xfs_buf_free_pages(bp);
  fail_free_buf:
 	xfs_buf_free_maps(bp);
-	kmem_cache_free(xfs_buf_zone, bp);
+	kmem_cache_free(xfs_buf_cache, bp);
  fail:
 	return error;
 }
@@ -2315,12 +2315,12 @@ xfs_buf_delwri_pushbuf(
 int __init
 xfs_buf_init(void)
 {
-	xfs_buf_zone = kmem_cache_create("xfs_buf", sizeof(struct xfs_buf), 0,
+	xfs_buf_cache = kmem_cache_create("xfs_buf", sizeof(struct xfs_buf), 0,
 					 SLAB_HWCACHE_ALIGN |
 					 SLAB_RECLAIM_ACCOUNT |
 					 SLAB_MEM_SPREAD,
 					 NULL);
-	if (!xfs_buf_zone)
+	if (!xfs_buf_cache)
 		goto out;
 
 	return 0;
@@ -2332,7 +2332,7 @@ xfs_buf_init(void)
 void
 xfs_buf_terminate(void)
 {
-	kmem_cache_destroy(xfs_buf_zone);
+	kmem_cache_destroy(xfs_buf_cache);
 }
 
 void xfs_buf_set_ref(struct xfs_buf *bp, int lru_ref)
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index 545fa308bf01c01feaeaa8f77b2685a8a0f09426..f1bd5e9dd7c995ae6bd996039ddf79d06ee6398f 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -23,7 +23,7 @@
 #include "xfs_log.h"
 
 
-kmem_zone_t	*xfs_buf_item_zone;
+struct kmem_cache	*xfs_buf_item_cache;
 
 static inline struct xfs_buf_log_item *BUF_ITEM(struct xfs_log_item *lip)
 {
@@ -735,7 +735,7 @@ xfs_buf_item_init(
 		return 0;
 	}
 
-	bip = kmem_cache_zalloc(xfs_buf_item_zone, GFP_KERNEL | __GFP_NOFAIL);
+	bip = kmem_cache_zalloc(xfs_buf_item_cache, GFP_KERNEL | __GFP_NOFAIL);
 	xfs_log_item_init(mp, &bip->bli_item, XFS_LI_BUF, &xfs_buf_item_ops);
 	bip->bli_buf = bp;
 
@@ -756,7 +756,7 @@ xfs_buf_item_init(
 		map_size = DIV_ROUND_UP(chunks, NBWORD);
 
 		if (map_size > XFS_BLF_DATAMAP_SIZE) {
-			kmem_cache_free(xfs_buf_item_zone, bip);
+			kmem_cache_free(xfs_buf_item_cache, bip);
 			xfs_err(mp,
 	"buffer item dirty bitmap (%u uints) too small to reflect %u bytes!",
 					map_size,
@@ -933,7 +933,7 @@ xfs_buf_item_free(
 {
 	xfs_buf_item_free_format(bip);
 	kmem_free(bip->bli_item.li_lv_shadow);
-	kmem_cache_free(xfs_buf_item_zone, bip);
+	kmem_cache_free(xfs_buf_item_cache, bip);
 }
 
 /*
diff --git a/fs/xfs/xfs_buf_item.h b/fs/xfs/xfs_buf_item.h
index 50aa0f5ef959030d02cbbf5d1258009ec052f3e7..e11e9ef2338f7e300a30e9e40da7d1dbde14bc39 100644
--- a/fs/xfs/xfs_buf_item.h
+++ b/fs/xfs/xfs_buf_item.h
@@ -71,6 +71,6 @@ static inline void xfs_buf_dquot_io_fail(struct xfs_buf *bp)
 void	xfs_buf_iodone(struct xfs_buf *);
 bool	xfs_buf_log_check_iovec(struct xfs_log_iovec *iovec);
 
-extern kmem_zone_t	*xfs_buf_item_zone;
+extern struct kmem_cache	*xfs_buf_item_cache;
 
 #endif	/* __XFS_BUF_ITEM_H__ */
diff --git a/fs/xfs/xfs_dquot.c b/fs/xfs/xfs_dquot.c
index 80c4579d6835793e3b786a77b01328ac9226a8dc..5f43f3ac131dfa173ae249e3027e46d73ab2aa07 100644
--- a/fs/xfs/xfs_dquot.c
+++ b/fs/xfs/xfs_dquot.c
@@ -38,8 +38,8 @@
  * otherwise by the lowest id first, see xfs_dqlock2.
  */
 
-struct kmem_zone		*xfs_qm_dqtrxzone;
-static struct kmem_zone		*xfs_qm_dqzone;
+struct kmem_cache		*xfs_dqtrx_cache;
+static struct kmem_cache	*xfs_dquot_cache;
 
 static struct lock_class_key xfs_dquot_group_class;
 static struct lock_class_key xfs_dquot_project_class;
@@ -57,7 +57,7 @@ xfs_qm_dqdestroy(
 	mutex_destroy(&dqp->q_qlock);
 
 	XFS_STATS_DEC(dqp->q_mount, xs_qm_dquot);
-	kmem_cache_free(xfs_qm_dqzone, dqp);
+	kmem_cache_free(xfs_dquot_cache, dqp);
 }
 
 /*
@@ -452,7 +452,7 @@ xfs_dquot_alloc(
 {
 	struct xfs_dquot	*dqp;
 
-	dqp = kmem_cache_zalloc(xfs_qm_dqzone, GFP_KERNEL | __GFP_NOFAIL);
+	dqp = kmem_cache_zalloc(xfs_dquot_cache, GFP_KERNEL | __GFP_NOFAIL);
 
 	dqp->q_type = type;
 	dqp->q_id = id;
@@ -1362,22 +1362,22 @@ xfs_dqlock2(
 int __init
 xfs_qm_init(void)
 {
-	xfs_qm_dqzone = kmem_cache_create("xfs_dquot",
+	xfs_dquot_cache = kmem_cache_create("xfs_dquot",
 					  sizeof(struct xfs_dquot),
 					  0, 0, NULL);
-	if (!xfs_qm_dqzone)
+	if (!xfs_dquot_cache)
 		goto out;
 
-	xfs_qm_dqtrxzone = kmem_cache_create("xfs_dqtrx",
+	xfs_dqtrx_cache = kmem_cache_create("xfs_dqtrx",
 					     sizeof(struct xfs_dquot_acct),
 					     0, 0, NULL);
-	if (!xfs_qm_dqtrxzone)
-		goto out_free_dqzone;
+	if (!xfs_dqtrx_cache)
+		goto out_free_dquot_cache;
 
 	return 0;
 
-out_free_dqzone:
-	kmem_cache_destroy(xfs_qm_dqzone);
+out_free_dquot_cache:
+	kmem_cache_destroy(xfs_dquot_cache);
 out:
 	return -ENOMEM;
 }
@@ -1385,8 +1385,8 @@ xfs_qm_init(void)
 void
 xfs_qm_exit(void)
 {
-	kmem_cache_destroy(xfs_qm_dqtrxzone);
-	kmem_cache_destroy(xfs_qm_dqzone);
+	kmem_cache_destroy(xfs_dqtrx_cache);
+	kmem_cache_destroy(xfs_dquot_cache);
 }
 
 /*
diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c
index 11474770d630fea46e8c41190f24d3a67fc8bf5e..c8e615f7ce099566deab24b3ef0982ab77677fb9 100644
--- a/fs/xfs/xfs_extfree_item.c
+++ b/fs/xfs/xfs_extfree_item.c
@@ -25,8 +25,8 @@
 #include "xfs_log_priv.h"
 #include "xfs_log_recover.h"
 
-kmem_zone_t	*xfs_efi_zone;
-kmem_zone_t	*xfs_efd_zone;
+struct kmem_cache	*xfs_efi_cache;
+struct kmem_cache	*xfs_efd_cache;
 
 static const struct xfs_item_ops xfs_efi_item_ops;
 
@@ -43,7 +43,7 @@ xfs_efi_item_free(
 	if (efip->efi_format.efi_nextents > XFS_EFI_MAX_FAST_EXTENTS)
 		kmem_free(efip);
 	else
-		kmem_cache_free(xfs_efi_zone, efip);
+		kmem_cache_free(xfs_efi_cache, efip);
 }
 
 /*
@@ -161,7 +161,7 @@ xfs_efi_init(
 			((nextents - 1) * sizeof(xfs_extent_t)));
 		efip = kmem_zalloc(size, 0);
 	} else {
-		efip = kmem_cache_zalloc(xfs_efi_zone,
+		efip = kmem_cache_zalloc(xfs_efi_cache,
 					 GFP_KERNEL | __GFP_NOFAIL);
 	}
 
@@ -241,7 +241,7 @@ xfs_efd_item_free(struct xfs_efd_log_item *efdp)
 	if (efdp->efd_format.efd_nextents > XFS_EFD_MAX_FAST_EXTENTS)
 		kmem_free(efdp);
 	else
-		kmem_cache_free(xfs_efd_zone, efdp);
+		kmem_cache_free(xfs_efd_cache, efdp);
 }
 
 /*
@@ -333,7 +333,7 @@ xfs_trans_get_efd(
 				(nextents - 1) * sizeof(struct xfs_extent),
 				0);
 	} else {
-		efdp = kmem_cache_zalloc(xfs_efd_zone,
+		efdp = kmem_cache_zalloc(xfs_efd_cache,
 					GFP_KERNEL | __GFP_NOFAIL);
 	}
 
@@ -356,23 +356,30 @@ static int
 xfs_trans_free_extent(
 	struct xfs_trans		*tp,
 	struct xfs_efd_log_item		*efdp,
-	xfs_fsblock_t			start_block,
-	xfs_extlen_t			ext_len,
-	const struct xfs_owner_info	*oinfo,
-	bool				skip_discard)
+	struct xfs_extent_free_item	*xefi)
 {
+	struct xfs_owner_info		oinfo = { };
 	struct xfs_mount		*mp = tp->t_mountp;
 	struct xfs_extent		*extp;
 	uint				next_extent;
-	xfs_agnumber_t			agno = XFS_FSB_TO_AGNO(mp, start_block);
+	xfs_agnumber_t			agno = XFS_FSB_TO_AGNO(mp,
+							xefi->xefi_startblock);
 	xfs_agblock_t			agbno = XFS_FSB_TO_AGBNO(mp,
-								start_block);
+							xefi->xefi_startblock);
 	int				error;
 
-	trace_xfs_bmap_free_deferred(tp->t_mountp, agno, 0, agbno, ext_len);
+	oinfo.oi_owner = xefi->xefi_owner;
+	if (xefi->xefi_flags & XFS_EFI_ATTR_FORK)
+		oinfo.oi_flags |= XFS_OWNER_INFO_ATTR_FORK;
+	if (xefi->xefi_flags & XFS_EFI_BMBT_BLOCK)
+		oinfo.oi_flags |= XFS_OWNER_INFO_BMBT_BLOCK;
 
-	error = __xfs_free_extent(tp, start_block, ext_len,
-				  oinfo, XFS_AG_RESV_NONE, skip_discard);
+	trace_xfs_bmap_free_deferred(tp->t_mountp, agno, 0, agbno,
+			xefi->xefi_blockcount);
+
+	error = __xfs_free_extent(tp, xefi->xefi_startblock,
+			xefi->xefi_blockcount, &oinfo, xefi->xefi_agresv,
+			xefi->xefi_flags & XFS_EFI_SKIP_DISCARD);
 	/*
 	 * Mark the transaction dirty, even on error. This ensures the
 	 * transaction is aborted, which:
@@ -386,8 +393,8 @@ xfs_trans_free_extent(
 	next_extent = efdp->efd_next_extent;
 	ASSERT(next_extent < efdp->efd_format.efd_nextents);
 	extp = &(efdp->efd_format.efd_extents[next_extent]);
-	extp->ext_start = start_block;
-	extp->ext_len = ext_len;
+	extp->ext_start = xefi->xefi_startblock;
+	extp->ext_len = xefi->xefi_blockcount;
 	efdp->efd_next_extent++;
 
 	return error;
@@ -415,7 +422,7 @@ STATIC void
 xfs_extent_free_log_item(
 	struct xfs_trans		*tp,
 	struct xfs_efi_log_item		*efip,
-	struct xfs_extent_free_item	*free)
+	struct xfs_extent_free_item	*xefi)
 {
 	uint				next_extent;
 	struct xfs_extent		*extp;
@@ -431,8 +438,8 @@ xfs_extent_free_log_item(
 	next_extent = atomic_inc_return(&efip->efi_next_extent) - 1;
 	ASSERT(next_extent < efip->efi_format.efi_nextents);
 	extp = &efip->efi_format.efi_extents[next_extent];
-	extp->ext_start = free->xefi_startblock;
-	extp->ext_len = free->xefi_blockcount;
+	extp->ext_start = xefi->xefi_startblock;
+	extp->ext_len = xefi->xefi_blockcount;
 }
 
 static struct xfs_log_item *
@@ -444,15 +451,15 @@ xfs_extent_free_create_intent(
 {
 	struct xfs_mount		*mp = tp->t_mountp;
 	struct xfs_efi_log_item		*efip = xfs_efi_init(mp, count);
-	struct xfs_extent_free_item	*free;
+	struct xfs_extent_free_item	*xefi;
 
 	ASSERT(count > 0);
 
 	xfs_trans_add_item(tp, &efip->efi_item);
 	if (sort)
 		list_sort(mp, items, xfs_extent_free_diff_items);
-	list_for_each_entry(free, items, xefi_list)
-		xfs_extent_free_log_item(tp, efip, free);
+	list_for_each_entry(xefi, items, xefi_list)
+		xfs_extent_free_log_item(tp, efip, xefi);
 	return &efip->efi_item;
 }
 
@@ -474,15 +481,13 @@ xfs_extent_free_finish_item(
 	struct list_head		*item,
 	struct xfs_btree_cur		**state)
 {
-	struct xfs_extent_free_item	*free;
+	struct xfs_extent_free_item	*xefi;
 	int				error;
 
-	free = container_of(item, struct xfs_extent_free_item, xefi_list);
-	error = xfs_trans_free_extent(tp, EFD_ITEM(done),
-			free->xefi_startblock,
-			free->xefi_blockcount,
-			&free->xefi_oinfo, free->xefi_skip_discard);
-	kmem_cache_free(xfs_bmap_free_item_zone, free);
+	xefi = container_of(item, struct xfs_extent_free_item, xefi_list);
+
+	error = xfs_trans_free_extent(tp, EFD_ITEM(done), xefi);
+	kmem_cache_free(xfs_extfree_item_cache, xefi);
 	return error;
 }
 
@@ -499,10 +504,10 @@ STATIC void
 xfs_extent_free_cancel_item(
 	struct list_head		*item)
 {
-	struct xfs_extent_free_item	*free;
+	struct xfs_extent_free_item	*xefi;
 
-	free = container_of(item, struct xfs_extent_free_item, xefi_list);
-	kmem_cache_free(xfs_bmap_free_item_zone, free);
+	xefi = container_of(item, struct xfs_extent_free_item, xefi_list);
+	kmem_cache_free(xfs_extfree_item_cache, xefi);
 }
 
 const struct xfs_defer_op_type xfs_extent_free_defer_type = {
@@ -525,9 +530,10 @@ xfs_agfl_free_finish_item(
 	struct list_head		*item,
 	struct xfs_btree_cur		**state)
 {
+	struct xfs_owner_info		oinfo = { };
 	struct xfs_mount		*mp = tp->t_mountp;
 	struct xfs_efd_log_item		*efdp = EFD_ITEM(done);
-	struct xfs_extent_free_item	*free;
+	struct xfs_extent_free_item	*xefi;
 	struct xfs_extent		*extp;
 	struct xfs_buf			*agbp;
 	int				error;
@@ -535,17 +541,17 @@ xfs_agfl_free_finish_item(
 	xfs_agblock_t			agbno;
 	uint				next_extent;
 
-	free = container_of(item, struct xfs_extent_free_item, xefi_list);
-	ASSERT(free->xefi_blockcount == 1);
-	agno = XFS_FSB_TO_AGNO(mp, free->xefi_startblock);
-	agbno = XFS_FSB_TO_AGBNO(mp, free->xefi_startblock);
+	xefi = container_of(item, struct xfs_extent_free_item, xefi_list);
+	ASSERT(xefi->xefi_blockcount == 1);
+	agno = XFS_FSB_TO_AGNO(mp, xefi->xefi_startblock);
+	agbno = XFS_FSB_TO_AGBNO(mp, xefi->xefi_startblock);
+	oinfo.oi_owner = xefi->xefi_owner;
 
-	trace_xfs_agfl_free_deferred(mp, agno, 0, agbno, free->xefi_blockcount);
+	trace_xfs_agfl_free_deferred(mp, agno, 0, agbno, xefi->xefi_blockcount);
 
 	error = xfs_alloc_read_agf(mp, tp, agno, 0, &agbp);
 	if (!error)
-		error = xfs_free_agfl_block(tp, agno, agbno, agbp,
-					    &free->xefi_oinfo);
+		error = xfs_free_agfl_block(tp, agno, agbno, agbp, &oinfo);
 
 	/*
 	 * Mark the transaction dirty, even on error. This ensures the
@@ -560,11 +566,11 @@ xfs_agfl_free_finish_item(
 	next_extent = efdp->efd_next_extent;
 	ASSERT(next_extent < efdp->efd_format.efd_nextents);
 	extp = &(efdp->efd_format.efd_extents[next_extent]);
-	extp->ext_start = free->xefi_startblock;
-	extp->ext_len = free->xefi_blockcount;
+	extp->ext_start = xefi->xefi_startblock;
+	extp->ext_len = xefi->xefi_blockcount;
 	efdp->efd_next_extent++;
 
-	kmem_cache_free(xfs_bmap_free_item_zone, free);
+	kmem_cache_free(xfs_extfree_item_cache, xefi);
 	return error;
 }
 
@@ -618,10 +624,17 @@ xfs_efi_item_recover(
 	efdp = xfs_trans_get_efd(tp, efip, efip->efi_format.efi_nextents);
 
 	for (i = 0; i < efip->efi_format.efi_nextents; i++) {
+		struct xfs_extent_free_item	fake = {
+			.xefi_owner		= XFS_RMAP_OWN_UNKNOWN,
+			.xefi_agresv		= XFS_AG_RESV_NONE,
+		};
+
 		extp = &efip->efi_format.efi_extents[i];
-		error = xfs_trans_free_extent(tp, efdp, extp->ext_start,
-					      extp->ext_len,
-					      &XFS_RMAP_OINFO_ANY_OWNER, false);
+
+		fake.xefi_startblock = extp->ext_start;
+		fake.xefi_blockcount = extp->ext_len;
+
+		error = xfs_trans_free_extent(tp, efdp, &fake);
 		if (error)
 			goto abort_error;
 
diff --git a/fs/xfs/xfs_extfree_item.h b/fs/xfs/xfs_extfree_item.h
index cd2860c875bf50638c0346eac065f530dfa75424..186d0f2137f1f5c68068693dbfd4ccd0c2f70525 100644
--- a/fs/xfs/xfs_extfree_item.h
+++ b/fs/xfs/xfs_extfree_item.h
@@ -9,7 +9,7 @@
 /* kernel only EFI/EFD definitions */
 
 struct xfs_mount;
-struct kmem_zone;
+struct kmem_cache;
 
 /*
  * Max number of extents in fast allocation path.
@@ -69,7 +69,7 @@ struct xfs_efd_log_item {
  */
 #define	XFS_EFD_MAX_FAST_EXTENTS	16
 
-extern struct kmem_zone	*xfs_efi_zone;
-extern struct kmem_zone	*xfs_efd_zone;
+extern struct kmem_cache	*xfs_efi_cache;
+extern struct kmem_cache	*xfs_efd_cache;
 
 #endif	/* __XFS_EXTFREE_ITEM_H__ */
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index deb99300d171c8b2140ae2283923cac48cf796fc..cdcd9f9123bc646489fa1867ac1e5a54589d7cc6 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -40,10 +40,10 @@ xfs_inode_alloc(
 	 * XXX: If this didn't occur in transactions, we could drop GFP_NOFAIL
 	 * and return NULL here on ENOMEM.
 	 */
-	ip = kmem_cache_alloc(xfs_inode_zone, GFP_KERNEL | __GFP_NOFAIL);
+	ip = kmem_cache_alloc(xfs_inode_cache, GFP_KERNEL | __GFP_NOFAIL);
 
 	if (inode_init_always(mp->m_super, VFS_I(ip))) {
-		kmem_cache_free(xfs_inode_zone, ip);
+		kmem_cache_free(xfs_inode_cache, ip);
 		return NULL;
 	}
 
@@ -90,11 +90,11 @@ xfs_inode_free_callback(
 
 	if (ip->i_afp) {
 		xfs_idestroy_fork(ip->i_afp);
-		kmem_cache_free(xfs_ifork_zone, ip->i_afp);
+		kmem_cache_free(xfs_ifork_cache, ip->i_afp);
 	}
 	if (ip->i_cowfp) {
 		xfs_idestroy_fork(ip->i_cowfp);
-		kmem_cache_free(xfs_ifork_zone, ip->i_cowfp);
+		kmem_cache_free(xfs_ifork_cache, ip->i_cowfp);
 	}
 	if (ip->i_itemp) {
 		ASSERT(!test_bit(XFS_LI_IN_AIL,
@@ -103,7 +103,7 @@ xfs_inode_free_callback(
 		ip->i_itemp = NULL;
 	}
 
-	kmem_cache_free(xfs_inode_zone, ip);
+	kmem_cache_free(xfs_inode_cache, ip);
 }
 
 static void
diff --git a/fs/xfs/xfs_icreate_item.c b/fs/xfs/xfs_icreate_item.c
index 9b3994b9c716ddfa91c1d012382ce3b09c8f37fd..d39866bcc26afdec43551dade43e40cef6a850c2 100644
--- a/fs/xfs/xfs_icreate_item.c
+++ b/fs/xfs/xfs_icreate_item.c
@@ -20,7 +20,7 @@
 #include "xfs_ialloc.h"
 #include "xfs_trace.h"
 
-kmem_zone_t	*xfs_icreate_zone;		/* inode create item zone */
+struct kmem_cache	*xfs_icreate_cache;		/* inode create item */
 
 static inline struct xfs_icreate_item *ICR_ITEM(struct xfs_log_item *lip)
 {
@@ -63,7 +63,7 @@ STATIC void
 xfs_icreate_item_release(
 	struct xfs_log_item	*lip)
 {
-	kmem_cache_free(xfs_icreate_zone, ICR_ITEM(lip));
+	kmem_cache_free(xfs_icreate_cache, ICR_ITEM(lip));
 }
 
 static const struct xfs_item_ops xfs_icreate_item_ops = {
@@ -97,7 +97,7 @@ xfs_icreate_log(
 {
 	struct xfs_icreate_item	*icp;
 
-	icp = kmem_cache_zalloc(xfs_icreate_zone, GFP_KERNEL | __GFP_NOFAIL);
+	icp = kmem_cache_zalloc(xfs_icreate_cache, GFP_KERNEL | __GFP_NOFAIL);
 
 	xfs_log_item_init(tp->t_mountp, &icp->ic_item, XFS_LI_ICREATE,
 			  &xfs_icreate_item_ops);
diff --git a/fs/xfs/xfs_icreate_item.h b/fs/xfs/xfs_icreate_item.h
index a50d0b01e15a37ccf25032465125c789706597b1..64992823108ae28286d59515713cb23f3233382f 100644
--- a/fs/xfs/xfs_icreate_item.h
+++ b/fs/xfs/xfs_icreate_item.h
@@ -12,7 +12,7 @@ struct xfs_icreate_item {
 	struct xfs_icreate_log	ic_format;
 };
 
-extern kmem_zone_t *xfs_icreate_zone;	/* inode create item zone */
+extern struct kmem_cache *xfs_icreate_cache;	/* inode create item */
 
 void xfs_icreate_log(struct xfs_trans *tp, xfs_agnumber_t agno,
 			xfs_agblock_t agbno, unsigned int count,
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index d7616cec70eb356bf52668c113d2758ffde38dc7..0a7cfa71254aa1f07f588d802e9fefe34ac440c6 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -36,7 +36,7 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_reflink.h"
 
-kmem_zone_t *xfs_inode_zone;
+struct kmem_cache *xfs_inode_cache;
 
 /*
  * Used in xfs_itruncate_extents().  This is the maximum number of extents
diff --git a/fs/xfs/xfs_inode.h b/fs/xfs/xfs_inode.h
index 8a023eb194e42c6dcb0beba46f2fb88080c18beb..631c3e3cb0c5a1e171b3c2e333565daf01a81144 100644
--- a/fs/xfs/xfs_inode.h
+++ b/fs/xfs/xfs_inode.h
@@ -463,7 +463,7 @@ static inline void xfs_setup_existing_inode(struct xfs_inode *ip)
 
 void xfs_irele(struct xfs_inode *ip);
 
-extern struct kmem_zone	*xfs_inode_zone;
+extern struct kmem_cache	*xfs_inode_cache;
 
 /* The default CoW extent size hint. */
 #define XFS_DEFAULT_COWEXTSZ_HINT 32
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index 6ff91e5bf3cd73fceaeee1c269343704b85f9341..dd7165b1808e8cf3f707e903a9a4659ea3d58693 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -21,7 +21,7 @@
 
 #include <linux/iversion.h>
 
-kmem_zone_t	*xfs_ili_zone;		/* inode log item zone */
+struct kmem_cache	*xfs_ili_cache;		/* inode log item */
 
 static inline struct xfs_inode_log_item *INODE_ITEM(struct xfs_log_item *lip)
 {
@@ -646,7 +646,7 @@ xfs_inode_item_init(
 	struct xfs_inode_log_item *iip;
 
 	ASSERT(ip->i_itemp == NULL);
-	iip = ip->i_itemp = kmem_cache_zalloc(xfs_ili_zone,
+	iip = ip->i_itemp = kmem_cache_zalloc(xfs_ili_cache,
 					      GFP_KERNEL | __GFP_NOFAIL);
 
 	iip->ili_inode = ip;
@@ -668,7 +668,7 @@ xfs_inode_item_destroy(
 
 	ip->i_itemp = NULL;
 	kmem_free(iip->ili_item.li_lv_shadow);
-	kmem_cache_free(xfs_ili_zone, iip);
+	kmem_cache_free(xfs_ili_cache, iip);
 }
 
 
diff --git a/fs/xfs/xfs_inode_item.h b/fs/xfs/xfs_inode_item.h
index 4b926e32831c0bd384dbc3a1ef73de366a880136..bdf62a44a0f8712cedca114384db9811374da33d 100644
--- a/fs/xfs/xfs_inode_item.h
+++ b/fs/xfs/xfs_inode_item.h
@@ -47,6 +47,6 @@ extern void xfs_iflush_abort(struct xfs_inode *);
 extern int xfs_inode_item_format_convert(xfs_log_iovec_t *,
 					 struct xfs_inode_log_format *);
 
-extern struct kmem_zone	*xfs_ili_zone;
+extern struct kmem_cache	*xfs_ili_cache;
 
 #endif	/* __XFS_INODE_ITEM_H__ */
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index b445e63cbc3c720133e8ecc481dd38684e828ac2..5283c36c1eb36c8ac515e4772d4dabfa9ccdc466 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -21,7 +21,7 @@
 #include "xfs_sb.h"
 #include "xfs_health.h"
 
-kmem_zone_t	*xfs_log_ticket_zone;
+struct kmem_cache	*xfs_log_ticket_cache;
 
 /* Local miscellaneous function prototypes */
 STATIC struct xlog *
@@ -3320,7 +3320,7 @@ xfs_log_ticket_put(
 {
 	ASSERT(atomic_read(&ticket->t_ref) > 0);
 	if (atomic_dec_and_test(&ticket->t_ref))
-		kmem_cache_free(xfs_log_ticket_zone, ticket);
+		kmem_cache_free(xfs_log_ticket_cache, ticket);
 }
 
 xlog_ticket_t *
@@ -3443,7 +3443,7 @@ xlog_ticket_alloc(
 	struct xlog_ticket	*tic;
 	int			unit_res;
 
-	tic = kmem_cache_zalloc(xfs_log_ticket_zone, GFP_NOFS | __GFP_NOFAIL);
+	tic = kmem_cache_zalloc(xfs_log_ticket_cache, GFP_NOFS | __GFP_NOFAIL);
 
 	unit_res = xfs_log_calc_unit_res(log->l_mp, unit_bytes);
 
diff --git a/fs/xfs/xfs_log_priv.h b/fs/xfs/xfs_log_priv.h
index 1c6fdbf3d5066d237ad5ac3aa6dafe0e06edc5ab..296bdea167d8e2cced08700855a3f993c872db87 100644
--- a/fs/xfs/xfs_log_priv.h
+++ b/fs/xfs/xfs_log_priv.h
@@ -457,7 +457,7 @@ xlog_recover_cancel(struct xlog *);
 extern __le32	 xlog_cksum(struct xlog *log, struct xlog_rec_header *rhead,
 			    char *dp, int size);
 
-extern kmem_zone_t *xfs_log_ticket_zone;
+extern struct kmem_cache *xfs_log_ticket_cache;
 struct xlog_ticket *
 xlog_ticket_alloc(
 	struct xlog	*log,
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index f7012bb0b17faa21fedd99cf02fa7eccf45f06b1..67c98b1558d2c7c13fcad9c4c542e1f29ec29180 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -970,9 +970,17 @@ xfs_mountfs(
 	/*
 	 * Finish recovering the file system.  This part needed to be delayed
 	 * until after the root and real-time bitmap inodes were consistently
-	 * read in.
+	 * read in.  Temporarily create per-AG space reservations for metadata
+	 * btree shape changes because space freeing transactions (for inode
+	 * inactivation) require the per-AG reservation in lieu of reserving
+	 * blocks.
 	 */
+	error = xfs_fs_reserve_ag_blocks(mp);
+	if (error && error == -ENOSPC)
+		xfs_warn(mp,
+	"ENOSPC reserving per-AG metadata pool, log recovery may fail.");
 	error = xfs_log_mount_finish(mp);
+	xfs_fs_unreserve_ag_blocks(mp);
 	if (error) {
 		xfs_warn(mp, "log mount finish failed");
 		goto out_rtunmount;
diff --git a/fs/xfs/xfs_mru_cache.c b/fs/xfs/xfs_mru_cache.c
index a06661dac5be90fa3b50843e629220fb688eeaf5..d31449cb4b090f5e2575f34f53b7397b8d19b963 100644
--- a/fs/xfs/xfs_mru_cache.c
+++ b/fs/xfs/xfs_mru_cache.c
@@ -219,7 +219,7 @@ _xfs_mru_cache_list_insert(
  * When destroying or reaping, all the elements that were migrated to the reap
  * list need to be deleted.  For each element this involves removing it from the
  * data store, removing it from the reap list, calling the client's free
- * function and deleting the element from the element zone.
+ * function and deleting the element from the element cache.
  *
  * We get called holding the mru->lock, which we drop and then reacquire.
  * Sparse need special help with this to tell it we know what we are doing.
diff --git a/fs/xfs/xfs_qm.h b/fs/xfs/xfs_qm.h
index e3dabab440971ec70c6db2a0d2083d319bab9fd3..b45a3c14b5aec35282285b7e4e30e22be18e3c3e 100644
--- a/fs/xfs/xfs_qm.h
+++ b/fs/xfs/xfs_qm.h
@@ -11,7 +11,7 @@
 
 struct xfs_inode;
 
-extern struct kmem_zone	*xfs_qm_dqtrxzone;
+extern struct kmem_cache	*xfs_dqtrx_cache;
 
 /*
  * Number of bmaps that we ask from bmapi when doing a quotacheck.
diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c
index c179d5c6e2467a130c17860aba400cfc82056dfb..9856c8c02038c7a08d864688432047ec1d5c8b1f 100644
--- a/fs/xfs/xfs_refcount_item.c
+++ b/fs/xfs/xfs_refcount_item.c
@@ -22,8 +22,8 @@
 #include "xfs_log_recover.h"
 #include "xfs_bmap.h"
 
-kmem_zone_t	*xfs_cui_zone;
-kmem_zone_t	*xfs_cud_zone;
+struct kmem_cache	*xfs_cui_cache;
+struct kmem_cache	*xfs_cud_cache;
 
 static const struct xfs_item_ops xfs_cui_item_ops;
 
@@ -39,7 +39,7 @@ xfs_cui_item_free(
 	if (cuip->cui_format.cui_nextents > XFS_CUI_MAX_FAST_EXTENTS)
 		kmem_free(cuip);
 	else
-		kmem_cache_free(xfs_cui_zone, cuip);
+		kmem_cache_free(xfs_cui_cache, cuip);
 }
 
 /*
@@ -144,7 +144,7 @@ xfs_cui_init(
 		cuip = kmem_zalloc(xfs_cui_log_item_sizeof(nextents),
 				0);
 	else
-		cuip = kmem_cache_zalloc(xfs_cui_zone,
+		cuip = kmem_cache_zalloc(xfs_cui_cache,
 					 GFP_KERNEL | __GFP_NOFAIL);
 
 	xfs_log_item_init(mp, &cuip->cui_item, XFS_LI_CUI, &xfs_cui_item_ops);
@@ -205,7 +205,7 @@ xfs_cud_item_release(
 	struct xfs_cud_log_item	*cudp = CUD_ITEM(lip);
 
 	xfs_cui_release(cudp->cud_cuip);
-	kmem_cache_free(xfs_cud_zone, cudp);
+	kmem_cache_free(xfs_cud_cache, cudp);
 }
 
 static const struct xfs_item_ops xfs_cud_item_ops = {
@@ -222,7 +222,7 @@ xfs_trans_get_cud(
 {
 	struct xfs_cud_log_item		*cudp;
 
-	cudp = kmem_cache_zalloc(xfs_cud_zone, GFP_KERNEL | __GFP_NOFAIL);
+	cudp = kmem_cache_zalloc(xfs_cud_cache, GFP_KERNEL | __GFP_NOFAIL);
 	xfs_log_item_init(tp->t_mountp, &cudp->cud_item, XFS_LI_CUD,
 			  &xfs_cud_item_ops);
 	cudp->cud_cuip = cuip;
@@ -389,7 +389,7 @@ xfs_refcount_update_finish_item(
 		xfs_atomic_staging_add_post(tp,
 				XFS_FSB_TO_AGNO(tp->t_mountp, refc->ri_startblock),
 				refc->ri_as);
-	kmem_free(refc);
+	kmem_cache_free(xfs_refcount_intent_cache, refc);
 	return error;
 }
 
@@ -409,7 +409,7 @@ xfs_refcount_update_cancel_item(
 	struct xfs_refcount_intent	*refc;
 
 	refc = container_of(item, struct xfs_refcount_intent, ri_list);
-	kmem_free(refc);
+	kmem_cache_free(xfs_refcount_intent_cache, refc);
 }
 
 const struct xfs_defer_op_type xfs_refcount_update_defer_type = {
diff --git a/fs/xfs/xfs_refcount_item.h b/fs/xfs/xfs_refcount_item.h
index f4f2e836540bb784ffd1d8296fff41a7e5a9a982..eb0ab13682d0b4702f5c7bd3696087709b79ed45 100644
--- a/fs/xfs/xfs_refcount_item.h
+++ b/fs/xfs/xfs_refcount_item.h
@@ -25,7 +25,7 @@
 /* kernel only CUI/CUD definitions */
 
 struct xfs_mount;
-struct kmem_zone;
+struct kmem_cache;
 
 /*
  * Max number of extents in fast allocation path.
@@ -68,7 +68,7 @@ struct xfs_cud_log_item {
 	struct xfs_cud_log_format	cud_format;
 };
 
-extern struct kmem_zone	*xfs_cui_zone;
-extern struct kmem_zone	*xfs_cud_zone;
+extern struct kmem_cache	*xfs_cui_cache;
+extern struct kmem_cache	*xfs_cud_cache;
 
 #endif	/* __XFS_REFCOUNT_ITEM_H__ */
diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
index 34fbce162d7d77d6bae1eea61d8d482b276c84ea..7a2f8b2a4cc0c514f6a02c2176541b018c2bd23d 100644
--- a/fs/xfs/xfs_reflink.c
+++ b/fs/xfs/xfs_reflink.c
@@ -501,8 +501,11 @@ xfs_reflink_cancel_cow_blocks(
 			xfs_refcount_free_cow_extent(*tpp, del.br_startblock,
 					del.br_blockcount);
 
-			xfs_bmap_add_free(*tpp, del.br_startblock,
-					  del.br_blockcount, NULL);
+			error = xfs_free_extent_later(*tpp, del.br_startblock,
+					del.br_blockcount, NULL,
+					XFS_AG_RESV_NONE);
+			if (error)
+				break;
 
 			/* Roll the transaction */
 			error = xfs_defer_finish(tpp);
diff --git a/fs/xfs/xfs_rmap_item.c b/fs/xfs/xfs_rmap_item.c
index 20905953fe76322ae3ec718705b6434e03f105a5..f52f6b31cdb8216b97c4cc70d761951133e095d0 100644
--- a/fs/xfs/xfs_rmap_item.c
+++ b/fs/xfs/xfs_rmap_item.c
@@ -21,8 +21,8 @@
 #include "xfs_log_priv.h"
 #include "xfs_log_recover.h"
 
-kmem_zone_t	*xfs_rui_zone;
-kmem_zone_t	*xfs_rud_zone;
+struct kmem_cache	*xfs_rui_cache;
+struct kmem_cache	*xfs_rud_cache;
 
 static const struct xfs_item_ops xfs_rui_item_ops;
 
@@ -38,7 +38,7 @@ xfs_rui_item_free(
 	if (ruip->rui_format.rui_nextents > XFS_RUI_MAX_FAST_EXTENTS)
 		kmem_free(ruip);
 	else
-		kmem_cache_free(xfs_rui_zone, ruip);
+		kmem_cache_free(xfs_rui_cache, ruip);
 }
 
 /*
@@ -141,7 +141,7 @@ xfs_rui_init(
 	if (nextents > XFS_RUI_MAX_FAST_EXTENTS)
 		ruip = kmem_zalloc(xfs_rui_log_item_sizeof(nextents), 0);
 	else
-		ruip = kmem_cache_zalloc(xfs_rui_zone,
+		ruip = kmem_cache_zalloc(xfs_rui_cache,
 					 GFP_KERNEL | __GFP_NOFAIL);
 
 	xfs_log_item_init(mp, &ruip->rui_item, XFS_LI_RUI, &xfs_rui_item_ops);
@@ -227,7 +227,7 @@ xfs_rud_item_release(
 	struct xfs_rud_log_item	*rudp = RUD_ITEM(lip);
 
 	xfs_rui_release(rudp->rud_ruip);
-	kmem_cache_free(xfs_rud_zone, rudp);
+	kmem_cache_free(xfs_rud_cache, rudp);
 }
 
 static const struct xfs_item_ops xfs_rud_item_ops = {
@@ -244,7 +244,7 @@ xfs_trans_get_rud(
 {
 	struct xfs_rud_log_item		*rudp;
 
-	rudp = kmem_cache_zalloc(xfs_rud_zone, GFP_KERNEL | __GFP_NOFAIL);
+	rudp = kmem_cache_zalloc(xfs_rud_cache, GFP_KERNEL | __GFP_NOFAIL);
 	xfs_log_item_init(tp->t_mountp, &rudp->rud_item, XFS_LI_RUD,
 			  &xfs_rud_item_ops);
 	rudp->rud_ruip = ruip;
@@ -427,7 +427,7 @@ xfs_rmap_update_finish_item(
 			rmap->ri_bmap.br_startoff, rmap->ri_bmap.br_startblock,
 			rmap->ri_bmap.br_blockcount, rmap->ri_bmap.br_state,
 			state);
-	kmem_free(rmap);
+	kmem_cache_free(xfs_rmap_intent_cache, rmap);
 	return error;
 }
 
@@ -447,7 +447,7 @@ xfs_rmap_update_cancel_item(
 	struct xfs_rmap_intent		*rmap;
 
 	rmap = container_of(item, struct xfs_rmap_intent, ri_list);
-	kmem_free(rmap);
+	kmem_cache_free(xfs_rmap_intent_cache, rmap);
 }
 
 const struct xfs_defer_op_type xfs_rmap_update_defer_type = {
diff --git a/fs/xfs/xfs_rmap_item.h b/fs/xfs/xfs_rmap_item.h
index 31e6cdfff71f49effbc9cc0c8e69c986c9507e91..802e5119eacaab640dc4b4d25e955cc02aadd695 100644
--- a/fs/xfs/xfs_rmap_item.h
+++ b/fs/xfs/xfs_rmap_item.h
@@ -28,7 +28,7 @@
 /* kernel only RUI/RUD definitions */
 
 struct xfs_mount;
-struct kmem_zone;
+struct kmem_cache;
 
 /*
  * Max number of extents in fast allocation path.
@@ -68,7 +68,7 @@ struct xfs_rud_log_item {
 	struct xfs_rud_log_format	rud_format;
 };
 
-extern struct kmem_zone	*xfs_rui_zone;
-extern struct kmem_zone	*xfs_rud_zone;
+extern struct kmem_cache	*xfs_rui_cache;
+extern struct kmem_cache	*xfs_rud_cache;
 
 #endif	/* __XFS_RMAP_ITEM_H__ */
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index 03426b29931d5939f303ec460ffb54ed660817d9..557e036c75fe2bf8223b9e74e18451f543ec384f 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -35,6 +35,7 @@
 #include "xfs_refcount_item.h"
 #include "xfs_bmap_item.h"
 #include "xfs_reflink.h"
+#include "xfs_defer.h"
 
 #include <linux/magic.h>
 #include <linux/fs_context.h>
@@ -1910,43 +1911,43 @@ static struct file_system_type xfs_fs_type = {
 MODULE_ALIAS_FS("xfs");
 
 STATIC int __init
-xfs_init_zones(void)
+xfs_init_caches(void)
 {
-	xfs_log_ticket_zone = kmem_cache_create("xfs_log_ticket",
+	int error;
+
+	xfs_log_ticket_cache = kmem_cache_create("xfs_log_ticket",
 						sizeof(struct xlog_ticket),
 						0, 0, NULL);
-	if (!xfs_log_ticket_zone)
+	if (!xfs_log_ticket_cache)
 		goto out;
 
-	xfs_bmap_free_item_zone = kmem_cache_create("xfs_bmap_free_item",
-					sizeof(struct xfs_extent_free_item),
-					0, 0, NULL);
-	if (!xfs_bmap_free_item_zone)
-		goto out_destroy_log_ticket_zone;
-
-	xfs_btree_cur_zone = kmem_cache_create("xfs_btree_cur",
+	xfs_btree_cur_cache = kmem_cache_create("xfs_btree_cur",
 					       sizeof(struct xfs_btree_cur),
 					       0, 0, NULL);
-	if (!xfs_btree_cur_zone)
-		goto out_destroy_bmap_free_item_zone;
+	if (!xfs_btree_cur_cache)
+		goto out_destroy_log_ticket_cache;
+
+	error = xfs_defer_init_item_caches();
+	if (error)
+		goto out_destroy_btree_cur_cache;
 
-	xfs_da_state_zone = kmem_cache_create("xfs_da_state",
+	xfs_da_state_cache = kmem_cache_create("xfs_da_state",
 					      sizeof(struct xfs_da_state),
 					      0, 0, NULL);
-	if (!xfs_da_state_zone)
-		goto out_destroy_btree_cur_zone;
+	if (!xfs_da_state_cache)
+		goto out_destroy_defer_item_cache;
 
-	xfs_ifork_zone = kmem_cache_create("xfs_ifork",
+	xfs_ifork_cache = kmem_cache_create("xfs_ifork",
 					   sizeof(struct xfs_ifork),
 					   0, 0, NULL);
-	if (!xfs_ifork_zone)
-		goto out_destroy_da_state_zone;
+	if (!xfs_ifork_cache)
+		goto out_destroy_da_state_cache;
 
-	xfs_trans_zone = kmem_cache_create("xfs_trans",
+	xfs_trans_cache = kmem_cache_create("xfs_trans",
 					   sizeof(struct xfs_trans),
 					   0, 0, NULL);
-	if (!xfs_trans_zone)
-		goto out_destroy_ifork_zone;
+	if (!xfs_trans_cache)
+		goto out_destroy_ifork_cache;
 
 
 	/*
@@ -1954,152 +1955,152 @@ xfs_init_zones(void)
 	 * size possible under XFS.  This wastes a little bit of memory,
 	 * but it is much faster.
 	 */
-	xfs_buf_item_zone = kmem_cache_create("xfs_buf_item",
+	xfs_buf_item_cache = kmem_cache_create("xfs_buf_item",
 					      sizeof(struct xfs_buf_log_item),
 					      0, 0, NULL);
-	if (!xfs_buf_item_zone)
-		goto out_destroy_trans_zone;
+	if (!xfs_buf_item_cache)
+		goto out_destroy_trans_cache;
 
-	xfs_efd_zone = kmem_cache_create("xfs_efd_item",
+	xfs_efd_cache = kmem_cache_create("xfs_efd_item",
 					(sizeof(struct xfs_efd_log_item) +
 					(XFS_EFD_MAX_FAST_EXTENTS - 1) *
 					sizeof(struct xfs_extent)),
 					0, 0, NULL);
-	if (!xfs_efd_zone)
-		goto out_destroy_buf_item_zone;
+	if (!xfs_efd_cache)
+		goto out_destroy_buf_item_cache;
 
-	xfs_efi_zone = kmem_cache_create("xfs_efi_item",
+	xfs_efi_cache = kmem_cache_create("xfs_efi_item",
 					 (sizeof(struct xfs_efi_log_item) +
 					 (XFS_EFI_MAX_FAST_EXTENTS - 1) *
 					 sizeof(struct xfs_extent)),
 					 0, 0, NULL);
-	if (!xfs_efi_zone)
-		goto out_destroy_efd_zone;
+	if (!xfs_efi_cache)
+		goto out_destroy_efd_cache;
 
-	xfs_inode_zone = kmem_cache_create("xfs_inode",
+	xfs_inode_cache = kmem_cache_create("xfs_inode",
 					   sizeof(struct xfs_inode), 0,
 					   (SLAB_HWCACHE_ALIGN |
 					    SLAB_RECLAIM_ACCOUNT |
 					    SLAB_MEM_SPREAD | SLAB_ACCOUNT),
 					   xfs_fs_inode_init_once);
-	if (!xfs_inode_zone)
-		goto out_destroy_efi_zone;
+	if (!xfs_inode_cache)
+		goto out_destroy_efi_cache;
 
-	xfs_ili_zone = kmem_cache_create("xfs_ili",
+	xfs_ili_cache = kmem_cache_create("xfs_ili",
 					 sizeof(struct xfs_inode_log_item), 0,
 					 SLAB_RECLAIM_ACCOUNT | SLAB_MEM_SPREAD,
 					 NULL);
-	if (!xfs_ili_zone)
-		goto out_destroy_inode_zone;
+	if (!xfs_ili_cache)
+		goto out_destroy_inode_cache;
 
-	xfs_icreate_zone = kmem_cache_create("xfs_icr",
+	xfs_icreate_cache = kmem_cache_create("xfs_icr",
 					     sizeof(struct xfs_icreate_item),
 					     0, 0, NULL);
-	if (!xfs_icreate_zone)
-		goto out_destroy_ili_zone;
+	if (!xfs_icreate_cache)
+		goto out_destroy_ili_cache;
 
-	xfs_rud_zone = kmem_cache_create("xfs_rud_item",
+	xfs_rud_cache = kmem_cache_create("xfs_rud_item",
 					 sizeof(struct xfs_rud_log_item),
 					 0, 0, NULL);
-	if (!xfs_rud_zone)
-		goto out_destroy_icreate_zone;
+	if (!xfs_rud_cache)
+		goto out_destroy_icreate_cache;
 
-	xfs_rui_zone = kmem_cache_create("xfs_rui_item",
+	xfs_rui_cache = kmem_cache_create("xfs_rui_item",
 			xfs_rui_log_item_sizeof(XFS_RUI_MAX_FAST_EXTENTS),
 			0, 0, NULL);
-	if (!xfs_rui_zone)
-		goto out_destroy_rud_zone;
+	if (!xfs_rui_cache)
+		goto out_destroy_rud_cache;
 
-	xfs_cud_zone = kmem_cache_create("xfs_cud_item",
+	xfs_cud_cache = kmem_cache_create("xfs_cud_item",
 					 sizeof(struct xfs_cud_log_item),
 					 0, 0, NULL);
-	if (!xfs_cud_zone)
-		goto out_destroy_rui_zone;
+	if (!xfs_cud_cache)
+		goto out_destroy_rui_cache;
 
-	xfs_cui_zone = kmem_cache_create("xfs_cui_item",
+	xfs_cui_cache = kmem_cache_create("xfs_cui_item",
 			xfs_cui_log_item_sizeof(XFS_CUI_MAX_FAST_EXTENTS),
 			0, 0, NULL);
-	if (!xfs_cui_zone)
-		goto out_destroy_cud_zone;
+	if (!xfs_cui_cache)
+		goto out_destroy_cud_cache;
 
-	xfs_bud_zone = kmem_cache_create("xfs_bud_item",
+	xfs_bud_cache = kmem_cache_create("xfs_bud_item",
 					 sizeof(struct xfs_bud_log_item),
 					 0, 0, NULL);
-	if (!xfs_bud_zone)
-		goto out_destroy_cui_zone;
+	if (!xfs_bud_cache)
+		goto out_destroy_cui_cache;
 
-	xfs_bui_zone = kmem_cache_create("xfs_bui_item",
+	xfs_bui_cache = kmem_cache_create("xfs_bui_item",
 			xfs_bui_log_item_sizeof(XFS_BUI_MAX_FAST_EXTENTS),
 			0, 0, NULL);
-	if (!xfs_bui_zone)
-		goto out_destroy_bud_zone;
+	if (!xfs_bui_cache)
+		goto out_destroy_bud_cache;
 
 	return 0;
 
- out_destroy_bud_zone:
-	kmem_cache_destroy(xfs_bud_zone);
- out_destroy_cui_zone:
-	kmem_cache_destroy(xfs_cui_zone);
- out_destroy_cud_zone:
-	kmem_cache_destroy(xfs_cud_zone);
- out_destroy_rui_zone:
-	kmem_cache_destroy(xfs_rui_zone);
- out_destroy_rud_zone:
-	kmem_cache_destroy(xfs_rud_zone);
- out_destroy_icreate_zone:
-	kmem_cache_destroy(xfs_icreate_zone);
- out_destroy_ili_zone:
-	kmem_cache_destroy(xfs_ili_zone);
- out_destroy_inode_zone:
-	kmem_cache_destroy(xfs_inode_zone);
- out_destroy_efi_zone:
-	kmem_cache_destroy(xfs_efi_zone);
- out_destroy_efd_zone:
-	kmem_cache_destroy(xfs_efd_zone);
- out_destroy_buf_item_zone:
-	kmem_cache_destroy(xfs_buf_item_zone);
- out_destroy_trans_zone:
-	kmem_cache_destroy(xfs_trans_zone);
- out_destroy_ifork_zone:
-	kmem_cache_destroy(xfs_ifork_zone);
- out_destroy_da_state_zone:
-	kmem_cache_destroy(xfs_da_state_zone);
- out_destroy_btree_cur_zone:
-	kmem_cache_destroy(xfs_btree_cur_zone);
- out_destroy_bmap_free_item_zone:
-	kmem_cache_destroy(xfs_bmap_free_item_zone);
- out_destroy_log_ticket_zone:
-	kmem_cache_destroy(xfs_log_ticket_zone);
+ out_destroy_bud_cache:
+	kmem_cache_destroy(xfs_bud_cache);
+ out_destroy_cui_cache:
+	kmem_cache_destroy(xfs_cui_cache);
+ out_destroy_cud_cache:
+	kmem_cache_destroy(xfs_cud_cache);
+ out_destroy_rui_cache:
+	kmem_cache_destroy(xfs_rui_cache);
+ out_destroy_rud_cache:
+	kmem_cache_destroy(xfs_rud_cache);
+ out_destroy_icreate_cache:
+	kmem_cache_destroy(xfs_icreate_cache);
+ out_destroy_ili_cache:
+	kmem_cache_destroy(xfs_ili_cache);
+ out_destroy_inode_cache:
+	kmem_cache_destroy(xfs_inode_cache);
+ out_destroy_efi_cache:
+	kmem_cache_destroy(xfs_efi_cache);
+ out_destroy_efd_cache:
+	kmem_cache_destroy(xfs_efd_cache);
+ out_destroy_buf_item_cache:
+	kmem_cache_destroy(xfs_buf_item_cache);
+ out_destroy_trans_cache:
+	kmem_cache_destroy(xfs_trans_cache);
+ out_destroy_ifork_cache:
+	kmem_cache_destroy(xfs_ifork_cache);
+ out_destroy_da_state_cache:
+	kmem_cache_destroy(xfs_da_state_cache);
+ out_destroy_defer_item_cache:
+	xfs_defer_destroy_item_caches();
+ out_destroy_btree_cur_cache:
+	kmem_cache_destroy(xfs_btree_cur_cache);
+ out_destroy_log_ticket_cache:
+	kmem_cache_destroy(xfs_log_ticket_cache);
  out:
 	return -ENOMEM;
 }
 
 STATIC void
-xfs_destroy_zones(void)
+xfs_destroy_caches(void)
 {
 	/*
 	 * Make sure all delayed rcu free are flushed before we
 	 * destroy caches.
 	 */
 	rcu_barrier();
-	kmem_cache_destroy(xfs_bui_zone);
-	kmem_cache_destroy(xfs_bud_zone);
-	kmem_cache_destroy(xfs_cui_zone);
-	kmem_cache_destroy(xfs_cud_zone);
-	kmem_cache_destroy(xfs_rui_zone);
-	kmem_cache_destroy(xfs_rud_zone);
-	kmem_cache_destroy(xfs_icreate_zone);
-	kmem_cache_destroy(xfs_ili_zone);
-	kmem_cache_destroy(xfs_inode_zone);
-	kmem_cache_destroy(xfs_efi_zone);
-	kmem_cache_destroy(xfs_efd_zone);
-	kmem_cache_destroy(xfs_buf_item_zone);
-	kmem_cache_destroy(xfs_trans_zone);
-	kmem_cache_destroy(xfs_ifork_zone);
-	kmem_cache_destroy(xfs_da_state_zone);
-	kmem_cache_destroy(xfs_btree_cur_zone);
-	kmem_cache_destroy(xfs_bmap_free_item_zone);
-	kmem_cache_destroy(xfs_log_ticket_zone);
+	kmem_cache_destroy(xfs_bui_cache);
+	kmem_cache_destroy(xfs_bud_cache);
+	kmem_cache_destroy(xfs_cui_cache);
+	kmem_cache_destroy(xfs_cud_cache);
+	kmem_cache_destroy(xfs_rui_cache);
+	kmem_cache_destroy(xfs_rud_cache);
+	kmem_cache_destroy(xfs_icreate_cache);
+	kmem_cache_destroy(xfs_ili_cache);
+	kmem_cache_destroy(xfs_inode_cache);
+	kmem_cache_destroy(xfs_efi_cache);
+	kmem_cache_destroy(xfs_efd_cache);
+	kmem_cache_destroy(xfs_buf_item_cache);
+	kmem_cache_destroy(xfs_trans_cache);
+	kmem_cache_destroy(xfs_ifork_cache);
+	kmem_cache_destroy(xfs_da_state_cache);
+	xfs_defer_destroy_item_caches();
+	kmem_cache_destroy(xfs_btree_cur_cache);
+	kmem_cache_destroy(xfs_log_ticket_cache);
 }
 
 STATIC int __init
@@ -2145,13 +2146,13 @@ init_xfs_fs(void)
 
 	xfs_dir_startup();
 
-	error = xfs_init_zones();
+	error = xfs_init_caches();
 	if (error)
 		goto out;
 
 	error = xfs_init_workqueues();
 	if (error)
-		goto out_destroy_zones;
+		goto out_destroy_caches;
 
 	error = xfs_mru_cache_init();
 	if (error)
@@ -2233,8 +2234,8 @@ init_xfs_fs(void)
 	xfs_mru_cache_uninit();
  out_destroy_wq:
 	xfs_destroy_workqueues();
- out_destroy_zones:
-	xfs_destroy_zones();
+ out_destroy_caches:
+	xfs_destroy_caches();
  out:
 	return error;
 }
@@ -2255,7 +2256,7 @@ exit_xfs_fs(void)
 	xfs_buf_terminate();
 	xfs_mru_cache_uninit();
 	xfs_destroy_workqueues();
-	xfs_destroy_zones();
+	xfs_destroy_caches();
 	xfs_uuid_table_free();
 }
 
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 36166bae24a6f98ded0e44b1ed23d1d7096e4de8..33bcf468937df541f4384682fb345b287483de70 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -21,7 +21,7 @@
 #include "xfs_error.h"
 #include "xfs_defer.h"
 
-kmem_zone_t	*xfs_trans_zone;
+struct kmem_cache	*xfs_trans_cache;
 
 #if defined(CONFIG_TRACEPOINTS)
 static void
@@ -72,7 +72,7 @@ xfs_trans_free(
 	if (!(tp->t_flags & XFS_TRANS_NO_WRITECOUNT))
 		sb_end_intwrite(tp->t_mountp->m_super);
 	xfs_trans_free_dqinfo(tp);
-	kmem_cache_free(xfs_trans_zone, tp);
+	kmem_cache_free(xfs_trans_cache, tp);
 }
 
 /*
@@ -91,7 +91,7 @@ xfs_trans_dup(
 
 	trace_xfs_trans_dup(tp, _RET_IP_);
 
-	ntp = kmem_cache_zalloc(xfs_trans_zone, GFP_KERNEL | __GFP_NOFAIL);
+	ntp = kmem_cache_zalloc(xfs_trans_cache, GFP_KERNEL | __GFP_NOFAIL);
 
 	/*
 	 * Initialize the new transaction structure.
@@ -257,7 +257,7 @@ xfs_trans_alloc(
 	 * GFP_NOFS allocation context so that we avoid lockdep false positives
 	 * by doing GFP_KERNEL allocations inside sb_start_intwrite().
 	 */
-	tp = kmem_cache_zalloc(xfs_trans_zone, GFP_KERNEL | __GFP_NOFAIL);
+	tp = kmem_cache_zalloc(xfs_trans_cache, GFP_KERNEL | __GFP_NOFAIL);
 	if (!(flags & XFS_TRANS_NO_WRITECOUNT))
 		sb_start_intwrite(mp->m_super);
 	xfs_trans_set_context(tp);
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 075eeade4f7d5d6bff86296c6e2691b8c207f57e..a13d8cac99182f2ab8f921e3492abf098f52528a 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -258,7 +258,7 @@ void		xfs_trans_buf_set_type(struct xfs_trans *, struct xfs_buf *,
 void		xfs_trans_buf_copy_type(struct xfs_buf *dst_bp,
 					struct xfs_buf *src_bp);
 
-extern kmem_zone_t	*xfs_trans_zone;
+extern struct kmem_cache	*xfs_trans_cache;
 
 static inline struct xfs_log_item *
 xfs_trans_item_relog(
diff --git a/fs/xfs/xfs_trans_dquot.c b/fs/xfs/xfs_trans_dquot.c
index 288ea38c43ad02c89cea2e90c6d77b523cd8ef12..e6aa3a33eddd71602c8dd8e8109bd1dff4870caa 100644
--- a/fs/xfs/xfs_trans_dquot.c
+++ b/fs/xfs/xfs_trans_dquot.c
@@ -866,7 +866,7 @@ STATIC void
 xfs_trans_alloc_dqinfo(
 	xfs_trans_t	*tp)
 {
-	tp->t_dqinfo = kmem_cache_zalloc(xfs_qm_dqtrxzone,
+	tp->t_dqinfo = kmem_cache_zalloc(xfs_dqtrx_cache,
 					 GFP_KERNEL | __GFP_NOFAIL);
 }
 
@@ -876,6 +876,6 @@ xfs_trans_free_dqinfo(
 {
 	if (!tp->t_dqinfo)
 		return;
-	kmem_cache_free(xfs_qm_dqtrxzone, tp->t_dqinfo);
+	kmem_cache_free(xfs_dqtrx_cache, tp->t_dqinfo);
 	tp->t_dqinfo = NULL;
 }