diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c
index 287c808..92cda03 100644
--- a/fs/xfs/xfs_attr_leaf.c
+++ b/fs/xfs/xfs_attr_leaf.c
@@ -271,8 +271,13 @@
 	xfs_daddr_t		mappedbno,
 	struct xfs_buf		**bpp)
 {
-	return xfs_da_read_buf(tp, dp, bno, mappedbno, bpp,
+	int			err;
+
+	err = xfs_da_read_buf(tp, dp, bno, mappedbno, bpp,
 				XFS_ATTR_FORK, &xfs_attr3_leaf_buf_ops);
+	if (!err && tp)
+		xfs_trans_buf_set_type(tp, *bpp, XFS_BLF_ATTR_LEAF_BUF);
+	return err;
 }
 
 /*========================================================================
@@ -1078,6 +1083,7 @@
 		goto out;
 
 	/* copy leaf to new buffer, update identifiers */
+	xfs_trans_buf_set_type(args->trans, bp2, XFS_BLF_ATTR_LEAF_BUF);
 	bp2->b_ops = bp1->b_ops;
 	memcpy(bp2->b_addr, bp1->b_addr, XFS_LBSIZE(mp));
 	if (xfs_sb_version_hascrc(&mp->m_sb)) {
@@ -1140,6 +1146,7 @@
 	if (error)
 		return error;
 	bp->b_ops = &xfs_attr3_leaf_buf_ops;
+	xfs_trans_buf_set_type(args->trans, bp, XFS_BLF_ATTR_LEAF_BUF);
 	leaf = bp->b_addr;
 	memset(leaf, 0, XFS_LBSIZE(mp));
 
diff --git a/fs/xfs/xfs_attr_remote.h b/fs/xfs/xfs_attr_remote.h
index 0ca8d9a..c7cca60 100644
--- a/fs/xfs/xfs_attr_remote.h
+++ b/fs/xfs/xfs_attr_remote.h
@@ -37,6 +37,8 @@
 	((bufsize) - (xfs_sb_version_hascrc(&(mp)->m_sb) ? \
 			sizeof(struct xfs_attr3_rmt_hdr) : 0))
 
+extern const struct xfs_buf_ops xfs_attr3_rmt_buf_ops;
+
 int xfs_attr_rmtval_get(struct xfs_da_args *args);
 int xfs_attr_rmtval_set(struct xfs_da_args *args);
 int xfs_attr_rmtval_remove(struct xfs_da_args *args);
diff --git a/fs/xfs/xfs_buf_item.h b/fs/xfs/xfs_buf_item.h
index 09cab4e..640adcf 100644
--- a/fs/xfs/xfs_buf_item.h
+++ b/fs/xfs/xfs_buf_item.h
@@ -50,6 +50,14 @@
 #define XFS_BLF_AGI_BUF		(1<<8)
 #define XFS_BLF_DINO_BUF	(1<<9)
 #define XFS_BLF_SYMLINK_BUF	(1<<10)
+#define XFS_BLF_DIR_BLOCK_BUF	(1<<11)
+#define XFS_BLF_DIR_DATA_BUF	(1<<12)
+#define XFS_BLF_DIR_FREE_BUF	(1<<13)
+#define XFS_BLF_DIR_LEAF1_BUF	(1<<14)
+#define XFS_BLF_DIR_LEAFN_BUF	(1<<15)
+#define XFS_BLF_DA_NODE_BUF	(1<<16)
+#define XFS_BLF_ATTR_LEAF_BUF	(1<<17)
+#define XFS_BLF_ATTR_RMT_BUF	(1<<18)
 
 #define XFS_BLF_TYPE_MASK	\
 		(XFS_BLF_UDQUOT_BUF | \
@@ -60,7 +68,15 @@
 		 XFS_BLF_AGFL_BUF | \
 		 XFS_BLF_AGI_BUF | \
 		 XFS_BLF_DINO_BUF | \
-		 XFS_BLF_SYMLINK_BUF)
+		 XFS_BLF_SYMLINK_BUF | \
+		 XFS_BLF_DIR_BLOCK_BUF | \
+		 XFS_BLF_DIR_DATA_BUF | \
+		 XFS_BLF_DIR_FREE_BUF | \
+		 XFS_BLF_DIR_LEAF1_BUF | \
+		 XFS_BLF_DIR_LEAFN_BUF | \
+		 XFS_BLF_DA_NODE_BUF | \
+		 XFS_BLF_ATTR_LEAF_BUF | \
+		 XFS_BLF_ATTR_RMT_BUF)
 
 #define	XFS_BLF_CHUNK		128
 #define	XFS_BLF_SHIFT		7
diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c
index 779ecdc..5aebd9b 100644
--- a/fs/xfs/xfs_da_btree.c
+++ b/fs/xfs/xfs_da_btree.c
@@ -292,7 +292,6 @@
 	.verify_write = xfs_da3_node_write_verify,
 };
 
-
 int
 xfs_da3_node_read(
 	struct xfs_trans	*tp,
@@ -302,8 +301,35 @@
 	struct xfs_buf		**bpp,
 	int			which_fork)
 {
-	return xfs_da_read_buf(tp, dp, bno, mappedbno, bpp,
+	int			err;
+
+	err = xfs_da_read_buf(tp, dp, bno, mappedbno, bpp,
 					which_fork, &xfs_da3_node_buf_ops);
+	if (!err && tp) {
+		struct xfs_da_blkinfo	*info = (*bpp)->b_addr;
+		int			type;
+
+		switch (be16_to_cpu(info->magic)) {
+		case XFS_DA3_NODE_MAGIC:
+		case XFS_DA_NODE_MAGIC:
+			type = XFS_BLF_DA_NODE_BUF;
+			break;
+		case XFS_ATTR_LEAF_MAGIC:
+		case XFS_ATTR3_LEAF_MAGIC:
+			type = XFS_BLF_ATTR_LEAF_BUF;
+			break;
+		case XFS_DIR2_LEAFN_MAGIC:
+		case XFS_DIR3_LEAFN_MAGIC:
+			type = XFS_BLF_DIR_LEAFN_BUF;
+			break;
+		default:
+			type = 0;
+			ASSERT(0);
+			break;
+		}
+		xfs_trans_buf_set_type(tp, *bpp, type);
+	}
+	return err;
 }
 
 /*========================================================================
@@ -334,6 +360,8 @@
 	error = xfs_da_get_buf(tp, args->dp, blkno, -1, &bp, whichfork);
 	if (error)
 		return(error);
+	bp->b_ops = &xfs_da3_node_buf_ops;
+	xfs_trans_buf_set_type(tp, bp, XFS_BLF_DA_NODE_BUF);
 	node = bp->b_addr;
 
 	if (xfs_sb_version_hascrc(&mp->m_sb)) {
@@ -352,7 +380,6 @@
 	xfs_trans_log_buf(tp, bp,
 		XFS_DA_LOGRANGE(node, &node->hdr, xfs_da3_node_hdr_size(node)));
 
-	bp->b_ops = &xfs_da3_node_buf_ops;
 	*bpp = bp;
 	return(0);
 }
@@ -565,6 +592,12 @@
 		btree = xfs_da3_node_tree_p(oldroot);
 		size = (int)((char *)&btree[nodehdr.count] - (char *)oldroot);
 		level = nodehdr.level;
+
+		/*
+		 * we are about to copy oldroot to bp, so set up the type
+		 * of bp while we know exactly what it will be.
+		 */
+		xfs_trans_buf_set_type(tp, bp, XFS_BLF_DA_NODE_BUF);
 	} else {
 		struct xfs_dir3_icleaf_hdr leafhdr;
 		struct xfs_dir2_leaf_entry *ents;
@@ -577,6 +610,12 @@
 		       leafhdr.magic == XFS_DIR3_LEAFN_MAGIC);
 		size = (int)((char *)&ents[leafhdr.count] - (char *)leaf);
 		level = 0;
+
+		/*
+		 * we are about to copy oldroot to bp, so set up the type
+		 * of bp while we know exactly what it will be.
+		 */
+		xfs_trans_buf_set_type(tp, bp, XFS_BLF_DIR_LEAFN_BUF);
 	}
 
 	/*
@@ -1092,6 +1131,7 @@
 	 */
 	memcpy(root_blk->bp->b_addr, bp->b_addr, state->blocksize);
 	root_blk->bp->b_ops = bp->b_ops;
+	xfs_trans_buf_copy_type(root_blk->bp, bp);
 	if (oldroothdr.magic == XFS_DA3_NODE_MAGIC) {
 		struct xfs_da3_blkinfo *da3 = root_blk->bp->b_addr;
 		da3->blkno = cpu_to_be64(root_blk->bp->b_bn);
diff --git a/fs/xfs/xfs_da_btree.h b/fs/xfs/xfs_da_btree.h
index 0e8182c..6fb3371c 100644
--- a/fs/xfs/xfs_da_btree.h
+++ b/fs/xfs/xfs_da_btree.h
@@ -301,6 +301,8 @@
 			 xfs_dablk_t bno, xfs_daddr_t mappedbno,
 			 struct xfs_buf **bpp, int which_fork);
 
+extern const struct xfs_buf_ops xfs_da3_node_buf_ops;
+
 /*
  * Utility routines.
  */
diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/xfs_dir2_block.c
index d2e445f..58816ec 100644
--- a/fs/xfs/xfs_dir2_block.c
+++ b/fs/xfs/xfs_dir2_block.c
@@ -132,20 +132,26 @@
 	struct xfs_buf		**bpp)
 {
 	struct xfs_mount	*mp = dp->i_mount;
+	int			err;
 
-	return xfs_da_read_buf(tp, dp, mp->m_dirdatablk, -1, bpp,
+	err = xfs_da_read_buf(tp, dp, mp->m_dirdatablk, -1, bpp,
 				XFS_DATA_FORK, &xfs_dir3_block_buf_ops);
+	if (!err && tp)
+		xfs_trans_buf_set_type(tp, *bpp, XFS_BLF_DIR_BLOCK_BUF);
+	return err;
 }
 
 static void
 xfs_dir3_block_init(
 	struct xfs_mount	*mp,
+	struct xfs_trans	*tp,
 	struct xfs_buf		*bp,
 	struct xfs_inode	*dp)
 {
 	struct xfs_dir3_blk_hdr *hdr3 = bp->b_addr;
 
 	bp->b_ops = &xfs_dir3_block_buf_ops;
+	xfs_trans_buf_set_type(tp, bp, XFS_BLF_DIR_BLOCK_BUF);
 
 	if (xfs_sb_version_hascrc(&mp->m_sb)) {
 		memset(hdr3, 0, sizeof(*hdr3));
@@ -1080,7 +1086,7 @@
 	/*
 	 * Start converting it to block form.
 	 */
-	xfs_dir3_block_init(mp, dbp, dp);
+	xfs_dir3_block_init(mp, tp, dbp, dp);
 
 	needlog = 1;
 	needscan = 0;
@@ -1209,7 +1215,7 @@
 		kmem_free(sfp);
 		return error;
 	}
-	xfs_dir3_block_init(mp, bp, dp);
+	xfs_dir3_block_init(mp, tp, bp, dp);
 	hdr = bp->b_addr;
 
 	/*
diff --git a/fs/xfs/xfs_dir2_data.c b/fs/xfs/xfs_dir2_data.c
index 78320df..5e0c711 100644
--- a/fs/xfs/xfs_dir2_data.c
+++ b/fs/xfs/xfs_dir2_data.c
@@ -301,8 +301,13 @@
 	xfs_daddr_t		mapped_bno,
 	struct xfs_buf		**bpp)
 {
-	return xfs_da_read_buf(tp, dp, bno, mapped_bno, bpp,
+	int			err;
+
+	err = xfs_da_read_buf(tp, dp, bno, mapped_bno, bpp,
 				XFS_DATA_FORK, &xfs_dir3_data_buf_ops);
+	if (!err && tp)
+		xfs_trans_buf_set_type(tp, *bpp, XFS_BLF_DIR_DATA_BUF);
+	return err;
 }
 
 int
@@ -571,6 +576,7 @@
 	if (error)
 		return error;
 	bp->b_ops = &xfs_dir3_data_buf_ops;
+	xfs_trans_buf_set_type(tp, bp, XFS_BLF_DIR_DATA_BUF);
 
 	/*
 	 * Initialize the header.
diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c
index 7352e41..84f4c9c 100644
--- a/fs/xfs/xfs_dir2_leaf.c
+++ b/fs/xfs/xfs_dir2_leaf.c
@@ -279,7 +279,7 @@
 	__write_verify(bp, XFS_DIR2_LEAFN_MAGIC);
 }
 
-static const struct xfs_buf_ops xfs_dir3_leaf1_buf_ops = {
+const struct xfs_buf_ops xfs_dir3_leaf1_buf_ops = {
 	.verify_read = xfs_dir3_leaf1_read_verify,
 	.verify_write = xfs_dir3_leaf1_write_verify,
 };
@@ -297,8 +297,13 @@
 	xfs_daddr_t		mappedbno,
 	struct xfs_buf		**bpp)
 {
-	return xfs_da_read_buf(tp, dp, fbno, mappedbno, bpp,
+	int			err;
+
+	err = xfs_da_read_buf(tp, dp, fbno, mappedbno, bpp,
 				XFS_DATA_FORK, &xfs_dir3_leaf1_buf_ops);
+	if (!err && tp)
+		xfs_trans_buf_set_type(tp, *bpp, XFS_BLF_DIR_LEAF1_BUF);
+	return err;
 }
 
 int
@@ -309,8 +314,13 @@
 	xfs_daddr_t		mappedbno,
 	struct xfs_buf		**bpp)
 {
-	return xfs_da_read_buf(tp, dp, fbno, mappedbno, bpp,
+	int			err;
+
+	err = xfs_da_read_buf(tp, dp, fbno, mappedbno, bpp,
 				XFS_DATA_FORK, &xfs_dir3_leafn_buf_ops);
+	if (!err && tp)
+		xfs_trans_buf_set_type(tp, *bpp, XFS_BLF_DIR_LEAFN_BUF);
+	return err;
 }
 
 /*
@@ -319,6 +329,7 @@
 static void
 xfs_dir3_leaf_init(
 	struct xfs_mount	*mp,
+	struct xfs_trans	*tp,
 	struct xfs_buf		*bp,
 	xfs_ino_t		owner,
 	__uint16_t		type)
@@ -353,8 +364,11 @@
 		ltp = xfs_dir2_leaf_tail_p(mp, leaf);
 		ltp->bestcount = 0;
 		bp->b_ops = &xfs_dir3_leaf1_buf_ops;
-	} else
+		xfs_trans_buf_set_type(tp, bp, XFS_BLF_DIR_LEAF1_BUF);
+	} else {
 		bp->b_ops = &xfs_dir3_leafn_buf_ops;
+		xfs_trans_buf_set_type(tp, bp, XFS_BLF_DIR_LEAFN_BUF);
+	}
 }
 
 int
@@ -379,7 +393,7 @@
 	if (error)
 		return error;
 
-	xfs_dir3_leaf_init(mp, bp, dp->i_ino, magic);
+	xfs_dir3_leaf_init(mp, tp, bp, dp->i_ino, magic);
 	xfs_dir3_leaf_log_header(tp, bp);
 	if (magic == XFS_DIR2_LEAF1_MAGIC)
 		xfs_dir3_leaf_log_tail(tp, bp);
@@ -474,6 +488,7 @@
 	 * Fix up the block header, make it a data block.
 	 */
 	dbp->b_ops = &xfs_dir3_data_buf_ops;
+	xfs_trans_buf_set_type(tp, dbp, XFS_BLF_DIR_DATA_BUF);
 	if (hdr->magic == cpu_to_be32(XFS_DIR2_BLOCK_MAGIC))
 		hdr->magic = cpu_to_be32(XFS_DIR2_DATA_MAGIC);
 	else
@@ -2182,6 +2197,7 @@
 		xfs_dir3_leaf_compact(args, &leafhdr, lbp);
 
 	lbp->b_ops = &xfs_dir3_leaf1_buf_ops;
+	xfs_trans_buf_set_type(tp, lbp, XFS_BLF_DIR_LEAF1_BUF);
 	leafhdr.magic = (leafhdr.magic == XFS_DIR2_LEAFN_MAGIC)
 					? XFS_DIR2_LEAF1_MAGIC
 					: XFS_DIR3_LEAF1_MAGIC;
diff --git a/fs/xfs/xfs_dir2_node.c b/fs/xfs/xfs_dir2_node.c
index 122449b..1806a22 100644
--- a/fs/xfs/xfs_dir2_node.c
+++ b/fs/xfs/xfs_dir2_node.c
@@ -147,7 +147,7 @@
 	xfs_update_cksum(bp->b_addr, BBTOB(bp->b_length), XFS_DIR3_FREE_CRC_OFF);
 }
 
-static const struct xfs_buf_ops xfs_dir3_free_buf_ops = {
+const struct xfs_buf_ops xfs_dir3_free_buf_ops = {
 	.verify_read = xfs_dir3_free_read_verify,
 	.verify_write = xfs_dir3_free_write_verify,
 };
@@ -161,8 +161,15 @@
 	xfs_daddr_t		mappedbno,
 	struct xfs_buf		**bpp)
 {
-	return xfs_da_read_buf(tp, dp, fbno, mappedbno, bpp,
+	int			err;
+
+	err = xfs_da_read_buf(tp, dp, fbno, mappedbno, bpp,
 				XFS_DATA_FORK, &xfs_dir3_free_buf_ops);
+
+	/* try read returns without an error or *bpp if it lands in a hole */
+	if (!err && tp && *bpp)
+		xfs_trans_buf_set_type(tp, *bpp, XFS_BLF_DIR_FREE_BUF);
+	return err;
 }
 
 int
@@ -249,6 +256,7 @@
 	if (error)
 		return error;
 
+	xfs_trans_buf_set_type(tp, bp, XFS_BLF_DIR_FREE_BUF);
 	bp->b_ops = &xfs_dir3_free_buf_ops;
 
 	/*
@@ -396,6 +404,7 @@
 	else
 		leaf->hdr.info.magic = cpu_to_be16(XFS_DIR3_LEAFN_MAGIC);
 	lbp->b_ops = &xfs_dir3_leafn_buf_ops;
+	xfs_trans_buf_set_type(tp, lbp, XFS_BLF_DIR_LEAFN_BUF);
 	xfs_dir3_leaf_log_header(tp, lbp);
 	xfs_dir3_leaf_check(mp, lbp);
 	return 0;
@@ -811,6 +820,7 @@
 							(char *)curbp->b_addr);
 			state->extrablk.magic = XFS_DIR2_DATA_MAGIC;
 			curbp->b_ops = &xfs_dir3_data_buf_ops;
+			xfs_trans_buf_set_type(tp, curbp, XFS_BLF_DIR_DATA_BUF);
 			if (cmp == XFS_CMP_EXACT)
 				return XFS_ERROR(EEXIST);
 		}
@@ -825,6 +835,7 @@
 			state->extrablk.blkno = curdb;
 			state->extrablk.magic = XFS_DIR2_DATA_MAGIC;
 			curbp->b_ops = &xfs_dir3_data_buf_ops;
+			xfs_trans_buf_set_type(tp, curbp, XFS_BLF_DIR_DATA_BUF);
 		} else {
 			/* If the curbp is not the CI match block, drop it */
 			if (state->extrablk.bp != curbp)
diff --git a/fs/xfs/xfs_dir2_priv.h b/fs/xfs/xfs_dir2_priv.h
index 932565d..7cf573c 100644
--- a/fs/xfs/xfs_dir2_priv.h
+++ b/fs/xfs/xfs_dir2_priv.h
@@ -49,6 +49,7 @@
 #endif
 
 extern const struct xfs_buf_ops xfs_dir3_data_buf_ops;
+extern const struct xfs_buf_ops xfs_dir3_free_buf_ops;
 
 extern int __xfs_dir3_data_check(struct xfs_inode *dp, struct xfs_buf *bp);
 extern int xfs_dir3_data_read(struct xfs_trans *tp, struct xfs_inode *dp,
@@ -77,6 +78,7 @@
 		xfs_dir2_data_aoff_t len, int *needlogp, int *needscanp);
 
 /* xfs_dir2_leaf.c */
+extern const struct xfs_buf_ops xfs_dir3_leaf1_buf_ops;
 extern const struct xfs_buf_ops xfs_dir3_leafn_buf_ops;
 
 extern int xfs_dir3_leafn_read(struct xfs_trans *tp, struct xfs_inode *dp,
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index d1292fd..00727bc 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -45,7 +45,14 @@
 #include "xfs_cksum.h"
 #include "xfs_trace.h"
 #include "xfs_icache.h"
+
+/* Need all the magic numbers and buffer ops structures from these headers */
 #include "xfs_symlink.h"
+#include "xfs_da_btree.h"
+#include "xfs_dir2_format.h"
+#include "xfs_dir2_priv.h"
+#include "xfs_attr_leaf.h"
+#include "xfs_attr_remote.h"
 
 STATIC int
 xlog_find_zeroed(
@@ -1860,6 +1867,185 @@
 }
 
 /*
+ * Validate the recovered buffer is of the correct type and attach the
+ * appropriate buffer operations to them for writeback. Magic numbers are in a
+ * few places:
+ *	the first 16 bits of the buffer (inode buffer, dquot buffer),
+ *	the first 32 bits of the buffer (most blocks),
+ *	inside a struct xfs_da_blkinfo at the start of the buffer.
+ */
+static void
+xlog_recovery_validate_buf_type(
+	struct xfs_mount	*mp,
+	struct xfs_buf		*bp,
+	xfs_buf_log_format_t	*buf_f)
+{
+	struct xfs_da_blkinfo	*info = bp->b_addr;
+	__uint32_t		magic32;
+	__uint16_t		magic16;
+	__uint16_t		magicda;
+
+	magic32 = be32_to_cpu(*(__be32 *)bp->b_addr);
+	magic16 = be16_to_cpu(*(__be16*)bp->b_addr);
+	magicda = be16_to_cpu(info->magic);
+	switch (buf_f->blf_flags & XFS_BLF_TYPE_MASK) {
+	case XFS_BLF_BTREE_BUF:
+		switch (magic32) {
+		case XFS_ABTB_CRC_MAGIC:
+		case XFS_ABTC_CRC_MAGIC:
+		case XFS_ABTB_MAGIC:
+		case XFS_ABTC_MAGIC:
+			bp->b_ops = &xfs_allocbt_buf_ops;
+			break;
+		case XFS_IBT_CRC_MAGIC:
+		case XFS_IBT_MAGIC:
+			bp->b_ops = &xfs_inobt_buf_ops;
+			break;
+		case XFS_BMAP_CRC_MAGIC:
+		case XFS_BMAP_MAGIC:
+			bp->b_ops = &xfs_bmbt_buf_ops;
+			break;
+		default:
+			xfs_warn(mp, "Bad btree block magic!");
+			ASSERT(0);
+			break;
+		}
+		break;
+	case XFS_BLF_AGF_BUF:
+		if (magic32 != XFS_AGF_MAGIC) {
+			xfs_warn(mp, "Bad AGF block magic!");
+			ASSERT(0);
+			break;
+		}
+		bp->b_ops = &xfs_agf_buf_ops;
+		break;
+	case XFS_BLF_AGFL_BUF:
+		if (!xfs_sb_version_hascrc(&mp->m_sb))
+			break;
+		if (magic32 != XFS_AGFL_MAGIC) {
+			xfs_warn(mp, "Bad AGFL block magic!");
+			ASSERT(0);
+			break;
+		}
+		bp->b_ops = &xfs_agfl_buf_ops;
+		break;
+	case XFS_BLF_AGI_BUF:
+		if (magic32 != XFS_AGI_MAGIC) {
+			xfs_warn(mp, "Bad AGI block magic!");
+			ASSERT(0);
+			break;
+		}
+		bp->b_ops = &xfs_agi_buf_ops;
+		break;
+	case XFS_BLF_UDQUOT_BUF:
+	case XFS_BLF_PDQUOT_BUF:
+	case XFS_BLF_GDQUOT_BUF:
+		if (magic16 != XFS_DQUOT_MAGIC) {
+			xfs_warn(mp, "Bad DQUOT block magic!");
+			ASSERT(0);
+			break;
+		}
+		bp->b_ops = &xfs_dquot_buf_ops;
+		break;
+	case XFS_BLF_DINO_BUF:
+		/*
+		 * we get here with inode allocation buffers, not buffers that
+		 * track unlinked list changes.
+		 */
+		if (magic16 != XFS_DINODE_MAGIC) {
+			xfs_warn(mp, "Bad INODE block magic!");
+			ASSERT(0);
+			break;
+		}
+		bp->b_ops = &xfs_inode_buf_ops;
+		break;
+	case XFS_BLF_SYMLINK_BUF:
+		if (magic32 != XFS_SYMLINK_MAGIC) {
+			xfs_warn(mp, "Bad symlink block magic!");
+			ASSERT(0);
+			break;
+		}
+		bp->b_ops = &xfs_symlink_buf_ops;
+		break;
+	case XFS_BLF_DIR_BLOCK_BUF:
+		if (magic32 != XFS_DIR2_BLOCK_MAGIC &&
+		    magic32 != XFS_DIR3_BLOCK_MAGIC) {
+			xfs_warn(mp, "Bad dir block magic!");
+			ASSERT(0);
+			break;
+		}
+		bp->b_ops = &xfs_dir3_block_buf_ops;
+		break;
+	case XFS_BLF_DIR_DATA_BUF:
+		if (magic32 != XFS_DIR2_DATA_MAGIC &&
+		    magic32 != XFS_DIR3_DATA_MAGIC) {
+			xfs_warn(mp, "Bad dir data magic!");
+			ASSERT(0);
+			break;
+		}
+		bp->b_ops = &xfs_dir3_data_buf_ops;
+		break;
+	case XFS_BLF_DIR_FREE_BUF:
+		if (magic32 != XFS_DIR2_FREE_MAGIC &&
+		    magic32 != XFS_DIR3_FREE_MAGIC) {
+			xfs_warn(mp, "Bad dir3 free magic!");
+			ASSERT(0);
+			break;
+		}
+		bp->b_ops = &xfs_dir3_free_buf_ops;
+		break;
+	case XFS_BLF_DIR_LEAF1_BUF:
+		if (magicda != XFS_DIR2_LEAF1_MAGIC &&
+		    magicda != XFS_DIR3_LEAF1_MAGIC) {
+			xfs_warn(mp, "Bad dir leaf1 magic!");
+			ASSERT(0);
+			break;
+		}
+		bp->b_ops = &xfs_dir3_leaf1_buf_ops;
+		break;
+	case XFS_BLF_DIR_LEAFN_BUF:
+		if (magicda != XFS_DIR2_LEAFN_MAGIC &&
+		    magicda != XFS_DIR3_LEAFN_MAGIC) {
+			xfs_warn(mp, "Bad dir leafn magic!");
+			ASSERT(0);
+			break;
+		}
+		bp->b_ops = &xfs_dir3_leafn_buf_ops;
+		break;
+	case XFS_BLF_DA_NODE_BUF:
+		if (magicda != XFS_DA_NODE_MAGIC &&
+		    magicda != XFS_DA3_NODE_MAGIC) {
+			xfs_warn(mp, "Bad da node magic!");
+			ASSERT(0);
+			break;
+		}
+		bp->b_ops = &xfs_da3_node_buf_ops;
+		break;
+	case XFS_BLF_ATTR_LEAF_BUF:
+		if (magicda != XFS_ATTR_LEAF_MAGIC &&
+		    magicda != XFS_ATTR3_LEAF_MAGIC) {
+			xfs_warn(mp, "Bad attr leaf magic!");
+			ASSERT(0);
+			break;
+		}
+		bp->b_ops = &xfs_attr3_leaf_buf_ops;
+		break;
+	case XFS_BLF_ATTR_RMT_BUF:
+		if (!xfs_sb_version_hascrc(&mp->m_sb))
+			break;
+		if (magicda != XFS_ATTR3_RMT_MAGIC) {
+			xfs_warn(mp, "Bad attr remote magic!");
+			ASSERT(0);
+			break;
+		}
+		bp->b_ops = &xfs_attr3_rmt_buf_ops;
+		break;
+	default:
+		break;
+	}
+}
+
+/*
  * Perform a 'normal' buffer recovery.  Each logged region of the
  * buffer should be copied over the corresponding region in the
  * given buffer.  The bitmap in the buf log format structure indicates
@@ -1932,88 +2118,8 @@
 	/* Shouldn't be any more regions */
 	ASSERT(i == item->ri_total);
 
-	switch (buf_f->blf_flags & XFS_BLF_TYPE_MASK) {
-	case XFS_BLF_BTREE_BUF:
-		switch (be32_to_cpu(*(__be32 *)bp->b_addr)) {
-		case XFS_ABTB_CRC_MAGIC:
-		case XFS_ABTC_CRC_MAGIC:
-		case XFS_ABTB_MAGIC:
-		case XFS_ABTC_MAGIC:
-			bp->b_ops = &xfs_allocbt_buf_ops;
-			break;
-		case XFS_IBT_CRC_MAGIC:
-		case XFS_IBT_MAGIC:
-			bp->b_ops = &xfs_inobt_buf_ops;
-			break;
-		case XFS_BMAP_CRC_MAGIC:
-		case XFS_BMAP_MAGIC:
-			bp->b_ops = &xfs_bmbt_buf_ops;
-			break;
-		default:
-			xfs_warn(mp, "Bad btree block magic!");
-			ASSERT(0);
-			break;
-		}
-		break;
-	case XFS_BLF_AGF_BUF:
-		if (*(__be32 *)bp->b_addr != cpu_to_be32(XFS_AGF_MAGIC)) {
-			xfs_warn(mp, "Bad AGF block magic!");
-			ASSERT(0);
-			break;
-		}
-		bp->b_ops = &xfs_agf_buf_ops;
-		break;
-	case XFS_BLF_AGFL_BUF:
-		if (!xfs_sb_version_hascrc(&mp->m_sb))
-			break;
-		if (*(__be32 *)bp->b_addr != cpu_to_be32(XFS_AGFL_MAGIC)) {
-			xfs_warn(mp, "Bad AGFL block magic!");
-			ASSERT(0);
-			break;
-		}
-		bp->b_ops = &xfs_agfl_buf_ops;
-		break;
-	case XFS_BLF_AGI_BUF:
-		if (*(__be32 *)bp->b_addr != cpu_to_be32(XFS_AGI_MAGIC)) {
-			xfs_warn(mp, "Bad AGI block magic!");
-			ASSERT(0);
-			break;
-		}
-		bp->b_ops = &xfs_agi_buf_ops;
-		break;
-	case XFS_BLF_UDQUOT_BUF:
-	case XFS_BLF_PDQUOT_BUF:
-	case XFS_BLF_GDQUOT_BUF:
-		if (*(__be16 *)bp->b_addr != cpu_to_be16(XFS_DQUOT_MAGIC)) {
-			xfs_warn(mp, "Bad DQUOT block magic!");
-			ASSERT(0);
-			break;
-		}
-		bp->b_ops = &xfs_dquot_buf_ops;
-		break;
-	case XFS_BLF_DINO_BUF:
-		/*
-		 * we get here with inode allocation buffers, not buffers that
-		 * track unlinked list changes.
-		 */
-		if (*(__be16 *)bp->b_addr != cpu_to_be16(XFS_DINODE_MAGIC)) {
-			xfs_warn(mp, "Bad INODE block magic!");
-			ASSERT(0);
-			break;
-		}
-		bp->b_ops = &xfs_inode_buf_ops;
-		break;
-	case XFS_BLF_SYMLINK_BUF:
-		if (*(__be32 *)bp->b_addr != cpu_to_be32(XFS_SYMLINK_MAGIC)) {
-			xfs_warn(mp, "Bad symlink block magic!");
-			ASSERT(0);
-			break;
-		}
-		bp->b_ops = &xfs_symlink_buf_ops;
-		break;
-	default:
-		break;
-	}
+	xlog_recovery_validate_buf_type(mp, bp, buf_f);
+
 }
 
 /*
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 1b04fe5..fa78a3f 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -507,6 +507,8 @@
 void		xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *);
 void		xfs_trans_buf_set_type(struct xfs_trans *, struct xfs_buf *,
 				       uint);
+void		xfs_trans_buf_copy_type(struct xfs_buf *dst_bp,
+					struct xfs_buf *src_bp);
 void		xfs_trans_ichgtime(struct xfs_trans *, struct xfs_inode *, int);
 void		xfs_trans_ijoin(struct xfs_trans *, struct xfs_inode *, uint);
 void		xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint);
diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index 8a0f6af..40871bf 100644
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -768,6 +768,9 @@
 {
 	struct xfs_buf_log_item	*bip = bp->b_fspriv;
 
+	if (!tp)
+		return;
+
 	ASSERT(bp->b_transp == tp);
 	ASSERT(bip != NULL);
 	ASSERT(atomic_read(&bip->bli_refcount) > 0);
@@ -777,6 +780,20 @@
 	bip->__bli_format.blf_flags |= type;
 }
 
+void
+xfs_trans_buf_copy_type(
+	struct xfs_buf		*dst_bp,
+	struct xfs_buf		*src_bp)
+{
+	struct xfs_buf_log_item	*sbip = src_bp->b_fspriv;
+	struct xfs_buf_log_item	*dbip = dst_bp->b_fspriv;
+	uint			type;
+
+	type = sbip->__bli_format.blf_flags & XFS_BLF_TYPE_MASK;
+	dbip->__bli_format.blf_flags &= ~XFS_BLF_TYPE_MASK;
+	dbip->__bli_format.blf_flags |= type;
+}
+
 /*
  * Similar to xfs_trans_inode_buf(), this marks the buffer as a cluster of
  * dquots. However, unlike in inode buffer recovery, dquot buffers get