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From: Dave Chinner <david@fromorbit.com>
To: xfs@oss.sgi.com
Subject: [PATCH 11/19] xfs: add verifier callback to directorry read code
Date: Tue,  9 Oct 2012 14:51:02 +1100	[thread overview]
Message-ID: <1349754670-32009-12-git-send-email-david@fromorbit.com> (raw)
In-Reply-To: <1349754670-32009-1-git-send-email-david@fromorbit.com>

From: Dave Chinner <dchinner@redhat.com>

Signed-off-by: Dave Chinner <dchinner@redhat.com>
---
 fs/xfs/xfs_attr.c       |   23 ++++++++++++-----------
 fs/xfs/xfs_attr_leaf.c  |   18 +++++++++---------
 fs/xfs/xfs_da_btree.c   |   44 ++++++++++++++++++++++++++++----------------
 fs/xfs/xfs_da_btree.h   |    7 ++++---
 fs/xfs/xfs_dir2_block.c |   23 ++++++++++++-----------
 fs/xfs/xfs_dir2_leaf.c  |   33 ++++++++++++++++-----------------
 fs/xfs/xfs_dir2_node.c  |   43 ++++++++++++++++++++-----------------------
 fs/xfs/xfs_file.c       |    2 +-
 8 files changed, 102 insertions(+), 91 deletions(-)

diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c
index ebacb8d..956c2ba 100644
--- a/fs/xfs/xfs_attr.c
+++ b/fs/xfs/xfs_attr.c
@@ -904,7 +904,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args)
 	dp = args->dp;
 	args->blkno = 0;
 	error = xfs_da_read_buf(args->trans, args->dp, args->blkno, -1, &bp,
-					     XFS_ATTR_FORK);
+					     XFS_ATTR_FORK, NULL);
 	if (error)
 		return(error);
 	ASSERT(bp != NULL);
@@ -1032,7 +1032,7 @@ xfs_attr_leaf_addname(xfs_da_args_t *args)
 		 * remove the "old" attr from that block (neat, huh!)
 		 */
 		error = xfs_da_read_buf(args->trans, args->dp, args->blkno, -1,
-						     &bp, XFS_ATTR_FORK);
+						     &bp, XFS_ATTR_FORK, NULL);
 		if (error)
 			return(error);
 		ASSERT(bp != NULL);
@@ -1101,7 +1101,7 @@ xfs_attr_leaf_removename(xfs_da_args_t *args)
 	dp = args->dp;
 	args->blkno = 0;
 	error = xfs_da_read_buf(args->trans, args->dp, args->blkno, -1, &bp,
-					     XFS_ATTR_FORK);
+					     XFS_ATTR_FORK, NULL);
 	if (error) {
 		return(error);
 	}
@@ -1157,7 +1157,7 @@ xfs_attr_leaf_get(xfs_da_args_t *args)
 
 	args->blkno = 0;
 	error = xfs_da_read_buf(args->trans, args->dp, args->blkno, -1, &bp,
-					     XFS_ATTR_FORK);
+					     XFS_ATTR_FORK, NULL);
 	if (error)
 		return(error);
 	ASSERT(bp != NULL);
@@ -1186,7 +1186,8 @@ xfs_attr_leaf_list(xfs_attr_list_context_t *context)
 	struct xfs_buf *bp;
 
 	context->cursor->blkno = 0;
-	error = xfs_da_read_buf(NULL, context->dp, 0, -1, &bp, XFS_ATTR_FORK);
+	error = xfs_da_read_buf(NULL, context->dp, 0, -1, &bp, XFS_ATTR_FORK,
+				NULL);
 	if (error)
 		return XFS_ERROR(error);
 	ASSERT(bp != NULL);
@@ -1601,7 +1602,7 @@ xfs_attr_node_removename(xfs_da_args_t *args)
 		state->path.blk[0].bp = NULL;
 
 		error = xfs_da_read_buf(args->trans, args->dp, 0, -1, &bp,
-						     XFS_ATTR_FORK);
+						     XFS_ATTR_FORK, NULL);
 		if (error)
 			goto out;
 		ASSERT((((xfs_attr_leafblock_t *)bp->b_addr)->hdr.info.magic) ==
@@ -1710,7 +1711,7 @@ xfs_attr_refillstate(xfs_da_state_t *state)
 			error = xfs_da_read_buf(state->args->trans,
 						state->args->dp,
 						blk->blkno, blk->disk_blkno,
-						&blk->bp, XFS_ATTR_FORK);
+						&blk->bp, XFS_ATTR_FORK, NULL);
 			if (error)
 				return(error);
 		} else {
@@ -1729,7 +1730,7 @@ xfs_attr_refillstate(xfs_da_state_t *state)
 			error = xfs_da_read_buf(state->args->trans,
 						state->args->dp,
 						blk->blkno, blk->disk_blkno,
-						&blk->bp, XFS_ATTR_FORK);
+						&blk->bp, XFS_ATTR_FORK, NULL);
 			if (error)
 				return(error);
 		} else {
@@ -1815,7 +1816,7 @@ xfs_attr_node_list(xfs_attr_list_context_t *context)
 	bp = NULL;
 	if (cursor->blkno > 0) {
 		error = xfs_da_read_buf(NULL, context->dp, cursor->blkno, -1,
-					      &bp, XFS_ATTR_FORK);
+					      &bp, XFS_ATTR_FORK, NULL);
 		if ((error != 0) && (error != EFSCORRUPTED))
 			return(error);
 		if (bp) {
@@ -1858,7 +1859,7 @@ xfs_attr_node_list(xfs_attr_list_context_t *context)
 		for (;;) {
 			error = xfs_da_read_buf(NULL, context->dp,
 						      cursor->blkno, -1, &bp,
-						      XFS_ATTR_FORK);
+						      XFS_ATTR_FORK, NULL);
 			if (error)
 				return(error);
 			if (unlikely(bp == NULL)) {
@@ -1925,7 +1926,7 @@ xfs_attr_node_list(xfs_attr_list_context_t *context)
 		cursor->blkno = be32_to_cpu(leaf->hdr.info.forw);
 		xfs_trans_brelse(NULL, bp);
 		error = xfs_da_read_buf(NULL, context->dp, cursor->blkno, -1,
-					      &bp, XFS_ATTR_FORK);
+					      &bp, XFS_ATTR_FORK, NULL);
 		if (error)
 			return(error);
 		if (unlikely((bp == NULL))) {
diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c
index d330111..f2b698e 100644
--- a/fs/xfs/xfs_attr_leaf.c
+++ b/fs/xfs/xfs_attr_leaf.c
@@ -870,7 +870,7 @@ xfs_attr_leaf_to_node(xfs_da_args_t *args)
 	if (error)
 		goto out;
 	error = xfs_da_read_buf(args->trans, args->dp, 0, -1, &bp1,
-					     XFS_ATTR_FORK);
+					     XFS_ATTR_FORK, NULL);
 	if (error)
 		goto out;
 	ASSERT(bp1 != NULL);
@@ -1621,7 +1621,7 @@ xfs_attr_leaf_toosmall(xfs_da_state_t *state, int *action)
 		if (blkno == 0)
 			continue;
 		error = xfs_da_read_buf(state->args->trans, state->args->dp,
-					blkno, -1, &bp, XFS_ATTR_FORK);
+					blkno, -1, &bp, XFS_ATTR_FORK, NULL);
 		if (error)
 			return(error);
 		ASSERT(bp != NULL);
@@ -2496,7 +2496,7 @@ xfs_attr_leaf_clearflag(xfs_da_args_t *args)
 	 * Set up the operation.
 	 */
 	error = xfs_da_read_buf(args->trans, args->dp, args->blkno, -1, &bp,
-					     XFS_ATTR_FORK);
+					     XFS_ATTR_FORK, NULL);
 	if (error) {
 		return(error);
 	}
@@ -2561,7 +2561,7 @@ xfs_attr_leaf_setflag(xfs_da_args_t *args)
 	 * Set up the operation.
 	 */
 	error = xfs_da_read_buf(args->trans, args->dp, args->blkno, -1, &bp,
-					     XFS_ATTR_FORK);
+					     XFS_ATTR_FORK, NULL);
 	if (error) {
 		return(error);
 	}
@@ -2618,7 +2618,7 @@ xfs_attr_leaf_flipflags(xfs_da_args_t *args)
 	 * Read the block containing the "old" attr
 	 */
 	error = xfs_da_read_buf(args->trans, args->dp, args->blkno, -1, &bp1,
-					     XFS_ATTR_FORK);
+					     XFS_ATTR_FORK, NULL);
 	if (error) {
 		return(error);
 	}
@@ -2629,7 +2629,7 @@ xfs_attr_leaf_flipflags(xfs_da_args_t *args)
 	 */
 	if (args->blkno2 != args->blkno) {
 		error = xfs_da_read_buf(args->trans, args->dp, args->blkno2,
-					-1, &bp2, XFS_ATTR_FORK);
+					-1, &bp2, XFS_ATTR_FORK, NULL);
 		if (error) {
 			return(error);
 		}
@@ -2730,7 +2730,7 @@ xfs_attr_root_inactive(xfs_trans_t **trans, xfs_inode_t *dp)
 	 * the extents in reverse order the extent containing
 	 * block 0 must still be there.
 	 */
-	error = xfs_da_read_buf(*trans, dp, 0, -1, &bp, XFS_ATTR_FORK);
+	error = xfs_da_read_buf(*trans, dp, 0, -1, &bp, XFS_ATTR_FORK, NULL);
 	if (error)
 		return(error);
 	blkno = XFS_BUF_ADDR(bp);
@@ -2816,7 +2816,7 @@ xfs_attr_node_inactive(
 		 * before we come back to this one.
 		 */
 		error = xfs_da_read_buf(*trans, dp, child_fsb, -2, &child_bp,
-						XFS_ATTR_FORK);
+						XFS_ATTR_FORK, NULL);
 		if (error)
 			return(error);
 		if (child_bp) {
@@ -2857,7 +2857,7 @@ xfs_attr_node_inactive(
 		 */
 		if ((i+1) < count) {
 			error = xfs_da_read_buf(*trans, dp, 0, parent_blkno,
-				&bp, XFS_ATTR_FORK);
+				&bp, XFS_ATTR_FORK, NULL);
 			if (error)
 				return(error);
 			child_fsb = be32_to_cpu(node->btree[i+1].before);
diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c
index 41d8764..a46035b 100644
--- a/fs/xfs/xfs_da_btree.c
+++ b/fs/xfs/xfs_da_btree.c
@@ -747,7 +747,7 @@ xfs_da_root_join(xfs_da_state_t *state, xfs_da_state_blk_t *root_blk)
 	child = be32_to_cpu(oldroot->btree[0].before);
 	ASSERT(child != 0);
 	error = xfs_da_read_buf(args->trans, args->dp, child, -1, &bp,
-					     args->whichfork);
+					     args->whichfork, NULL);
 	if (error)
 		return(error);
 	ASSERT(bp != NULL);
@@ -836,7 +836,8 @@ xfs_da_node_toosmall(xfs_da_state_t *state, int *action)
 		if (blkno == 0)
 			continue;
 		error = xfs_da_read_buf(state->args->trans, state->args->dp,
-					blkno, -1, &bp, state->args->whichfork);
+					blkno, -1, &bp, state->args->whichfork,
+					NULL);
 		if (error)
 			return(error);
 		ASSERT(bp != NULL);
@@ -1080,7 +1081,7 @@ xfs_da_node_lookup_int(xfs_da_state_t *state, int *result)
 		 */
 		blk->blkno = blkno;
 		error = xfs_da_read_buf(args->trans, args->dp, blkno,
-					-1, &blk->bp, args->whichfork);
+					-1, &blk->bp, args->whichfork, NULL);
 		if (error) {
 			blk->blkno = 0;
 			state->path.active--;
@@ -1243,7 +1244,7 @@ xfs_da_blk_link(xfs_da_state_t *state, xfs_da_state_blk_t *old_blk,
 		if (old_info->back) {
 			error = xfs_da_read_buf(args->trans, args->dp,
 						be32_to_cpu(old_info->back),
-						-1, &bp, args->whichfork);
+						-1, &bp, args->whichfork, NULL);
 			if (error)
 				return(error);
 			ASSERT(bp != NULL);
@@ -1264,7 +1265,7 @@ xfs_da_blk_link(xfs_da_state_t *state, xfs_da_state_blk_t *old_blk,
 		if (old_info->forw) {
 			error = xfs_da_read_buf(args->trans, args->dp,
 						be32_to_cpu(old_info->forw),
-						-1, &bp, args->whichfork);
+						-1, &bp, args->whichfork, NULL);
 			if (error)
 				return(error);
 			ASSERT(bp != NULL);
@@ -1364,7 +1365,7 @@ xfs_da_blk_unlink(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk,
 		if (drop_info->back) {
 			error = xfs_da_read_buf(args->trans, args->dp,
 						be32_to_cpu(drop_info->back),
-						-1, &bp, args->whichfork);
+						-1, &bp, args->whichfork, NULL);
 			if (error)
 				return(error);
 			ASSERT(bp != NULL);
@@ -1381,7 +1382,7 @@ xfs_da_blk_unlink(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk,
 		if (drop_info->forw) {
 			error = xfs_da_read_buf(args->trans, args->dp,
 						be32_to_cpu(drop_info->forw),
-						-1, &bp, args->whichfork);
+						-1, &bp, args->whichfork, NULL);
 			if (error)
 				return(error);
 			ASSERT(bp != NULL);
@@ -1464,7 +1465,7 @@ xfs_da_path_shift(xfs_da_state_t *state, xfs_da_state_path_t *path,
 		 */
 		blk->blkno = blkno;
 		error = xfs_da_read_buf(args->trans, args->dp, blkno, -1,
-						     &blk->bp, args->whichfork);
+					&blk->bp, args->whichfork, NULL);
 		if (error)
 			return(error);
 		ASSERT(blk->bp != NULL);
@@ -1727,7 +1728,8 @@ xfs_da_swap_lastblock(
 	 * Read the last block in the btree space.
 	 */
 	last_blkno = (xfs_dablk_t)lastoff - mp->m_dirblkfsbs;
-	if ((error = xfs_da_read_buf(tp, ip, last_blkno, -1, &last_buf, w)))
+	error = xfs_da_read_buf(tp, ip, last_blkno, -1, &last_buf, w, NULL);
+	if (error)
 		return error;
 	/*
 	 * Copy the last block into the dead buffer and log it.
@@ -1753,7 +1755,9 @@ xfs_da_swap_lastblock(
 	 * If the moved block has a left sibling, fix up the pointers.
 	 */
 	if ((sib_blkno = be32_to_cpu(dead_info->back))) {
-		if ((error = xfs_da_read_buf(tp, ip, sib_blkno, -1, &sib_buf, w)))
+		error = xfs_da_read_buf(tp, ip, sib_blkno, -1, &sib_buf, w,
+					NULL);
+		if (error)
 			goto done;
 		sib_info = sib_buf->b_addr;
 		if (unlikely(
@@ -1774,7 +1778,9 @@ xfs_da_swap_lastblock(
 	 * If the moved block has a right sibling, fix up the pointers.
 	 */
 	if ((sib_blkno = be32_to_cpu(dead_info->forw))) {
-		if ((error = xfs_da_read_buf(tp, ip, sib_blkno, -1, &sib_buf, w)))
+		error = xfs_da_read_buf(tp, ip, sib_blkno, -1, &sib_buf, w,
+					NULL);
+		if (error)
 			goto done;
 		sib_info = sib_buf->b_addr;
 		if (unlikely(
@@ -1797,7 +1803,9 @@ xfs_da_swap_lastblock(
 	 * Walk down the tree looking for the parent of the moved block.
 	 */
 	for (;;) {
-		if ((error = xfs_da_read_buf(tp, ip, par_blkno, -1, &par_buf, w)))
+		error = xfs_da_read_buf(tp, ip, par_blkno, -1, &par_buf, w,
+					NULL);
+		if (error)
 			goto done;
 		par_node = par_buf->b_addr;
 		if (unlikely(par_node->hdr.info.magic !=
@@ -1847,7 +1855,9 @@ xfs_da_swap_lastblock(
 			error = XFS_ERROR(EFSCORRUPTED);
 			goto done;
 		}
-		if ((error = xfs_da_read_buf(tp, ip, par_blkno, -1, &par_buf, w)))
+		error = xfs_da_read_buf(tp, ip, par_blkno, -1, &par_buf, w,
+					NULL);
+		if (error)
 			goto done;
 		par_node = par_buf->b_addr;
 		if (unlikely(
@@ -2133,7 +2143,8 @@ xfs_da_read_buf(
 	xfs_dablk_t		bno,
 	xfs_daddr_t		mappedbno,
 	struct xfs_buf		**bpp,
-	int			whichfork)
+	int			whichfork,
+	xfs_buf_iodone_t	verifier)
 {
 	struct xfs_buf		*bp;
 	struct xfs_buf_map	map;
@@ -2155,7 +2166,7 @@ xfs_da_read_buf(
 
 	error = xfs_trans_read_buf_map(dp->i_mount, trans,
 					dp->i_mount->m_ddev_targp,
-					mapp, nmap, 0, &bp, NULL);
+					mapp, nmap, 0, &bp, verifier);
 	if (error)
 		goto out_free;
 
@@ -2211,7 +2222,8 @@ xfs_da_reada_buf(
 	struct xfs_trans	*trans,
 	struct xfs_inode	*dp,
 	xfs_dablk_t		bno,
-	int			whichfork)
+	int			whichfork,
+	xfs_buf_iodone_t	verifier)
 {
 	xfs_daddr_t		mappedbno = -1;
 	struct xfs_buf_map	map;
diff --git a/fs/xfs/xfs_da_btree.h b/fs/xfs/xfs_da_btree.h
index 132adaf..bf8bfaa 100644
--- a/fs/xfs/xfs_da_btree.h
+++ b/fs/xfs/xfs_da_btree.h
@@ -18,7 +18,6 @@
 #ifndef __XFS_DA_BTREE_H__
 #define	__XFS_DA_BTREE_H__
 
-struct xfs_buf;
 struct xfs_bmap_free;
 struct xfs_inode;
 struct xfs_mount;
@@ -226,9 +225,11 @@ int	xfs_da_get_buf(struct xfs_trans *trans, struct xfs_inode *dp,
 			      struct xfs_buf **bp, int whichfork);
 int	xfs_da_read_buf(struct xfs_trans *trans, struct xfs_inode *dp,
 			       xfs_dablk_t bno, xfs_daddr_t mappedbno,
-			       struct xfs_buf **bpp, int whichfork);
+			       struct xfs_buf **bpp, int whichfork,
+			       xfs_buf_iodone_t verifier);
 xfs_daddr_t	xfs_da_reada_buf(struct xfs_trans *trans, struct xfs_inode *dp,
-			xfs_dablk_t bno, int whichfork);
+				xfs_dablk_t bno, int whichfork,
+				xfs_buf_iodone_t verifier);
 int	xfs_da_shrink_inode(xfs_da_args_t *args, xfs_dablk_t dead_blkno,
 					  struct xfs_buf *dead_buf);
 
diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/xfs_dir2_block.c
index e93ca8f..53666ca 100644
--- a/fs/xfs/xfs_dir2_block.c
+++ b/fs/xfs/xfs_dir2_block.c
@@ -97,10 +97,10 @@ xfs_dir2_block_addname(
 	/*
 	 * Read the (one and only) directory block into dabuf bp.
 	 */
-	if ((error =
-	    xfs_da_read_buf(tp, dp, mp->m_dirdatablk, -1, &bp, XFS_DATA_FORK))) {
+	error = xfs_da_read_buf(tp, dp, mp->m_dirdatablk, -1, &bp,
+				XFS_DATA_FORK, NULL);
+	if (error)
 		return error;
-	}
 	ASSERT(bp != NULL);
 	hdr = bp->b_addr;
 	/*
@@ -457,7 +457,7 @@ xfs_dir2_block_getdents(
 	 * Can't read the block, give up, else get dabuf in bp.
 	 */
 	error = xfs_da_read_buf(NULL, dp, mp->m_dirdatablk, -1,
-				&bp, XFS_DATA_FORK);
+				&bp, XFS_DATA_FORK, NULL);
 	if (error)
 		return error;
 
@@ -640,10 +640,10 @@ xfs_dir2_block_lookup_int(
 	/*
 	 * Read the buffer, return error if we can't get it.
 	 */
-	if ((error =
-	    xfs_da_read_buf(tp, dp, mp->m_dirdatablk, -1, &bp, XFS_DATA_FORK))) {
+	error = xfs_da_read_buf(tp, dp, mp->m_dirdatablk, -1, &bp,
+				XFS_DATA_FORK, NULL);
+	if (error)
 		return error;
-	}
 	ASSERT(bp != NULL);
 	hdr = bp->b_addr;
 	xfs_dir2_data_check(dp, bp);
@@ -917,10 +917,11 @@ xfs_dir2_leaf_to_block(
 	/*
 	 * Read the data block if we don't already have it, give up if it fails.
 	 */
-	if (dbp == NULL &&
-	    (error = xfs_da_read_buf(tp, dp, mp->m_dirdatablk, -1, &dbp,
-		    XFS_DATA_FORK))) {
-		return error;
+	if (!dbp) {
+		error = xfs_da_read_buf(tp, dp, mp->m_dirdatablk, -1, &dbp,
+					XFS_DATA_FORK, NULL);
+		if (error)
+			return error;
 	}
 	hdr = dbp->b_addr;
 	ASSERT(hdr->magic == cpu_to_be32(XFS_DIR2_DATA_MAGIC));
diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c
index bac8698..86e3dc1 100644
--- a/fs/xfs/xfs_dir2_leaf.c
+++ b/fs/xfs/xfs_dir2_leaf.c
@@ -315,10 +315,9 @@ xfs_dir2_leaf_addname(
 	 * Read the leaf block.
 	 */
 	error = xfs_da_read_buf(tp, dp, mp->m_dirleafblk, -1, &lbp,
-		XFS_DATA_FORK);
-	if (error) {
+				XFS_DATA_FORK, NULL);
+	if (error)
 		return error;
-	}
 	ASSERT(lbp != NULL);
 	/*
 	 * Look up the entry by hash value and name.
@@ -500,9 +499,9 @@ xfs_dir2_leaf_addname(
 	 * Just read that one in.
 	 */
 	else {
-		if ((error =
-		    xfs_da_read_buf(tp, dp, xfs_dir2_db_to_da(mp, use_block),
-			    -1, &dbp, XFS_DATA_FORK))) {
+		error = xfs_da_read_buf(tp, dp, xfs_dir2_db_to_da(mp, use_block),
+					-1, &dbp, XFS_DATA_FORK, NULL);
+		if (error) {
 			xfs_trans_brelse(tp, lbp);
 			return error;
 		}
@@ -895,7 +894,7 @@ xfs_dir2_leaf_readbuf(
 	error = xfs_da_read_buf(NULL, dp, map->br_startoff,
 			map->br_blockcount >= mp->m_dirblkfsbs ?
 			    XFS_FSB_TO_DADDR(mp, map->br_startblock) : -1,
-			&bp, XFS_DATA_FORK);
+			&bp, XFS_DATA_FORK, NULL);
 
 	/*
 	 * Should just skip over the data block instead of giving up.
@@ -938,7 +937,7 @@ xfs_dir2_leaf_readbuf(
 			xfs_da_reada_buf(NULL, dp,
 					map[mip->ra_index].br_startoff +
 							mip->ra_offset,
-					XFS_DATA_FORK);
+					XFS_DATA_FORK, NULL);
 			mip->ra_current = i;
 		}
 
@@ -1376,7 +1375,7 @@ xfs_dir2_leaf_lookup_int(
 	 * Read the leaf block into the buffer.
 	 */
 	error = xfs_da_read_buf(tp, dp, mp->m_dirleafblk, -1, &lbp,
-							XFS_DATA_FORK);
+							XFS_DATA_FORK, NULL);
 	if (error)
 		return error;
 	*lbpp = lbp;
@@ -1411,7 +1410,7 @@ xfs_dir2_leaf_lookup_int(
 				xfs_trans_brelse(tp, dbp);
 			error = xfs_da_read_buf(tp, dp,
 						xfs_dir2_db_to_da(mp, newdb),
-						-1, &dbp, XFS_DATA_FORK);
+						-1, &dbp, XFS_DATA_FORK, NULL);
 			if (error) {
 				xfs_trans_brelse(tp, lbp);
 				return error;
@@ -1453,7 +1452,7 @@ xfs_dir2_leaf_lookup_int(
 			xfs_trans_brelse(tp, dbp);
 			error = xfs_da_read_buf(tp, dp,
 						xfs_dir2_db_to_da(mp, cidb),
-						-1, &dbp, XFS_DATA_FORK);
+						-1, &dbp, XFS_DATA_FORK, NULL);
 			if (error) {
 				xfs_trans_brelse(tp, lbp);
 				return error;
@@ -1738,10 +1737,10 @@ xfs_dir2_leaf_trim_data(
 	/*
 	 * Read the offending data block.  We need its buffer.
 	 */
-	if ((error = xfs_da_read_buf(tp, dp, xfs_dir2_db_to_da(mp, db), -1, &dbp,
-			XFS_DATA_FORK))) {
+	error = xfs_da_read_buf(tp, dp, xfs_dir2_db_to_da(mp, db), -1, &dbp,
+				XFS_DATA_FORK, NULL);
+	if (error)
 		return error;
-	}
 
 	leaf = lbp->b_addr;
 	ltp = xfs_dir2_leaf_tail_p(mp, leaf);
@@ -1864,10 +1863,10 @@ xfs_dir2_node_to_leaf(
 	/*
 	 * Read the freespace block.
 	 */
-	if ((error = xfs_da_read_buf(tp, dp, mp->m_dirfreeblk, -1, &fbp,
-			XFS_DATA_FORK))) {
+	error = xfs_da_read_buf(tp, dp,  mp->m_dirfreeblk, -1, &fbp,
+				XFS_DATA_FORK, NULL);
+	if (error)
 		return error;
-	}
 	free = fbp->b_addr;
 	ASSERT(free->hdr.magic == cpu_to_be32(XFS_DIR2_FREE_MAGIC));
 	ASSERT(!free->hdr.firstdb);
diff --git a/fs/xfs/xfs_dir2_node.c b/fs/xfs/xfs_dir2_node.c
index 6c70524..290c2b1 100644
--- a/fs/xfs/xfs_dir2_node.c
+++ b/fs/xfs/xfs_dir2_node.c
@@ -399,7 +399,7 @@ xfs_dir2_leafn_lookup_for_addname(
 				 */
 				error = xfs_da_read_buf(tp, dp,
 						xfs_dir2_db_to_da(mp, newfdb),
-						-1, &curbp, XFS_DATA_FORK);
+						-1, &curbp, XFS_DATA_FORK, NULL);
 				if (error)
 					return error;
 				free = curbp->b_addr;
@@ -536,7 +536,7 @@ xfs_dir2_leafn_lookup_for_entry(
 			} else {
 				error = xfs_da_read_buf(tp, dp,
 						xfs_dir2_db_to_da(mp, newdb),
-						-1, &curbp, XFS_DATA_FORK);
+						-1, &curbp, XFS_DATA_FORK, NULL);
 				if (error)
 					return error;
 			}
@@ -915,10 +915,10 @@ xfs_dir2_leafn_remove(
 		 * read in the free block.
 		 */
 		fdb = xfs_dir2_db_to_fdb(mp, db);
-		if ((error = xfs_da_read_buf(tp, dp, xfs_dir2_db_to_da(mp, fdb),
-				-1, &fbp, XFS_DATA_FORK))) {
+		error = xfs_da_read_buf(tp, dp, xfs_dir2_db_to_da(mp, fdb),
+					-1, &fbp, XFS_DATA_FORK, NULL);
+		if (error)
 			return error;
-		}
 		free = fbp->b_addr;
 		ASSERT(free->hdr.magic == cpu_to_be32(XFS_DIR2_FREE_MAGIC));
 		ASSERT(be32_to_cpu(free->hdr.firstdb) ==
@@ -1169,11 +1169,10 @@ xfs_dir2_leafn_toosmall(
 		/*
 		 * Read the sibling leaf block.
 		 */
-		if ((error =
-		    xfs_da_read_buf(state->args->trans, state->args->dp, blkno,
-			    -1, &bp, XFS_DATA_FORK))) {
+		error = xfs_da_read_buf(state->args->trans, state->args->dp,
+					blkno, -1, &bp, XFS_DATA_FORK, NULL);
+		if (error)
 			return error;
-		}
 		ASSERT(bp != NULL);
 		/*
 		 * Count bytes in the two blocks combined.
@@ -1454,14 +1453,13 @@ xfs_dir2_node_addname_int(
 			 * This should be really rare, so there's no reason
 			 * to avoid it.
 			 */
-			if ((error = xfs_da_read_buf(tp, dp,
-					xfs_dir2_db_to_da(mp, fbno), -2, &fbp,
-					XFS_DATA_FORK))) {
+			error = xfs_da_read_buf(tp, dp,
+						xfs_dir2_db_to_da(mp, fbno), -2,
+						&fbp, XFS_DATA_FORK, NULL);
+			if (error)
 				return error;
-			}
-			if (unlikely(fbp == NULL)) {
+			if (!fbp)
 				continue;
-			}
 			free = fbp->b_addr;
 			ASSERT(free->hdr.magic == cpu_to_be32(XFS_DIR2_FREE_MAGIC));
 			findex = 0;
@@ -1520,9 +1518,9 @@ xfs_dir2_node_addname_int(
 		 * that was just allocated.
 		 */
 		fbno = xfs_dir2_db_to_fdb(mp, dbno);
-		if (unlikely(error = xfs_da_read_buf(tp, dp,
-				xfs_dir2_db_to_da(mp, fbno), -2, &fbp,
-				XFS_DATA_FORK)))
+		error = xfs_da_read_buf(tp, dp, xfs_dir2_db_to_da(mp, fbno), -2,
+					&fbp, XFS_DATA_FORK, NULL);
+		if (error)
 			return error;
 
 		/*
@@ -1631,7 +1629,7 @@ xfs_dir2_node_addname_int(
 		 * Read the data block in.
 		 */
 		error = xfs_da_read_buf(tp, dp, xfs_dir2_db_to_da(mp, dbno),
-				-1, &dbp, XFS_DATA_FORK);
+					-1, &dbp, XFS_DATA_FORK, NULL);
 		if (error)
 			return error;
 		hdr = dbp->b_addr;
@@ -1917,11 +1915,10 @@ xfs_dir2_node_trim_free(
 	/*
 	 * Read the freespace block.
 	 */
-	if (unlikely(error = xfs_da_read_buf(tp, dp, (xfs_dablk_t)fo, -2, &bp,
-			XFS_DATA_FORK))) {
+	error = xfs_da_read_buf(tp, dp, (xfs_dablk_t)fo, -2, &bp,
+				XFS_DATA_FORK, NULL);
+	if (error)
 		return error;
-	}
-
 	/*
 	 * There can be holes in freespace.  If fo is a hole, there's
 	 * nothing to do.
diff --git a/fs/xfs/xfs_file.c b/fs/xfs/xfs_file.c
index 5902cd6..c0dc74e 100644
--- a/fs/xfs/xfs_file.c
+++ b/fs/xfs/xfs_file.c
@@ -890,7 +890,7 @@ xfs_dir_open(
 	 */
 	mode = xfs_ilock_map_shared(ip);
 	if (ip->i_d.di_nextents > 0)
-		xfs_da_reada_buf(NULL, ip, 0, XFS_DATA_FORK);
+		xfs_da_reada_buf(NULL, ip, 0, XFS_DATA_FORK, NULL);
 	xfs_iunlock(ip, mode);
 	return 0;
 }
-- 
1.7.10

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  parent reply	other threads:[~2012-10-09  3:50 UTC|newest]

Thread overview: 38+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-09  3:50 [PATCH 00/19] xfs: buffer read verifier infrastructure Dave Chinner
2012-10-09  3:50 ` [PATCH 01/19] xfs: growfs: don't read garbage for new secondary superblocks Dave Chinner
2012-10-11 21:34   ` Christoph Hellwig
2012-10-09  3:50 ` [PATCH 02/19] xfs: make buffer read verication an IO completion function Dave Chinner
2012-10-11 21:36   ` Christoph Hellwig
2012-10-09  3:50 ` [PATCH 03/19] xfs: uncached buffer reads need to return an error Dave Chinner
2012-10-11 21:38   ` Christoph Hellwig
2012-10-11 22:11     ` Dave Chinner
2012-10-12  2:28       ` Dave Chinner
2012-10-09  3:50 ` [PATCH 04/19] xfs: verify superblocks as they are read from disk Dave Chinner
2012-10-11 21:41   ` Christoph Hellwig
2012-10-11 22:28     ` Dave Chinner
2012-10-09  3:50 ` [PATCH 05/19] xfs: verify AGF blocks " Dave Chinner
2012-10-11 21:42   ` Christoph Hellwig
2012-10-09  3:50 ` [PATCH 06/19] xfs: verify AGI " Dave Chinner
2012-10-11 21:43   ` Christoph Hellwig
2012-10-09  3:50 ` [PATCH 07/19] xfs: verify AGFL " Dave Chinner
2012-10-11 21:44   ` Christoph Hellwig
2012-10-11 21:52     ` Dave Chinner
2012-10-09  3:50 ` [PATCH 08/19] xfs: verify inode buffers " Dave Chinner
2012-10-11 21:45   ` Christoph Hellwig
2012-10-11 21:55     ` Dave Chinner
2012-10-09  3:51 ` [PATCH 09/19] xfs: verify btree blocks " Dave Chinner
2012-10-09  3:51 ` [PATCH 10/19] xfs: verify dquot " Dave Chinner
2012-10-11 21:48   ` Christoph Hellwig
2012-10-11 22:08     ` Dave Chinner
2012-10-09  3:51 ` Dave Chinner [this message]
2012-10-11 21:48   ` [PATCH 11/19] xfs: add verifier callback to directorry read code Christoph Hellwig
2012-10-09  3:51 ` [PATCH 12/19] xfs: factor dir2 block read operations Dave Chinner
2012-10-09  3:51 ` [PATCH 13/19] xfs: verify dir2 block format buffers Dave Chinner
2012-10-09  3:51 ` [PATCH 14/19] xfs: factor dir2 free block reading Dave Chinner
2012-10-09  3:51 ` [PATCH 15/19] xfs: factor out dir2 data " Dave Chinner
2012-10-09  3:51 ` [PATCH 16/19] xfs: factor dir2 leaf read Dave Chinner
2012-10-09  3:51 ` [PATCH 17/19] xfs: factor and verify attr leaf reads Dave Chinner
2012-10-09  3:51 ` [PATCH 18/19] xfs: add xfs_da_node verification Dave Chinner
2012-10-09  3:51 ` [PATCH 19/19] xfs: Add verifiers to dir2 data readahead Dave Chinner
2012-10-11 12:09 ` [PATCH 00/19] xfs: buffer read verifier infrastructure Mark Tinguely
2012-10-11 21:42   ` Dave Chinner

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