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Commit 4bb20a83 authored by Dave Chinner's avatar Dave Chinner Committed by Ben Myers
Browse files

xfs: add verifier callback to directory read code 



Signed-off-by: default avatarDave Chinner <dchinner@redhat.com>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Reviewed-by: default avatarPhil White <pwhite@sgi.com>
Signed-off-by: default avatarBen Myers <bpm@sgi.com>
parent c6319198

fs/xfs/xfs_attr.c

+12 −11
Original line number Diff line number Diff line
@@ -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);

	}
@@ -1159,7 +1159,7 @@ 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);
@@ -1190,7 +1190,8 @@ xfs_attr_leaf_list(xfs_attr_list_context_t *context) 
	trace_xfs_attr_leaf_list(context);



	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);
@@ -1605,7 +1606,7 @@ 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) ==
@@ -1718,7 +1719,7 @@ 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 {
@@ -1737,7 +1738,7 @@ 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 {
@@ -1827,7 +1828,7 @@ 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) {
@@ -1870,7 +1871,7 @@ 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)) {
@@ -1937,7 +1938,7 @@ 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))) {

fs/xfs/xfs_attr_leaf.c

+9 −9
Original line number Diff line number Diff line
@@ -871,7 +871,7 @@ 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);
@@ -1642,7 +1642,7 @@ 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);
@@ -2519,7 +2519,7 @@ 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);

	}
@@ -2584,7 +2584,7 @@ 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);

	}
@@ -2641,7 +2641,7 @@ 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);

	}
@@ -2652,7 +2652,7 @@ 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);

		}
@@ -2753,7 +2753,7 @@ 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);
@@ -2839,7 +2839,7 @@ 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) {
@@ -2880,7 +2880,7 @@ 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);

fs/xfs/xfs_da_btree.c

+28 −16
Original line number Diff line number Diff line
@@ -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);
@@ -838,7 +838,8 @@ 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);
@@ -1084,7 +1085,7 @@ 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--;
@@ -1247,7 +1248,7 @@ 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);
@@ -1268,7 +1269,7 @@ 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);
@@ -1368,7 +1369,7 @@ 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);
@@ -1385,7 +1386,7 @@ 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);
@@ -1470,7 +1471,7 @@ 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);
@@ -1733,7 +1734,8 @@ 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.
@@ -1759,7 +1761,9 @@ 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(
@@ -1780,7 +1784,9 @@ 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(
@@ -1803,7 +1809,9 @@ 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 !=
@@ -1853,7 +1861,9 @@ 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(
@@ -2139,7 +2149,8 @@ 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;
@@ -2161,7 +2172,7 @@ 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;
@@ -2217,7 +2228,8 @@ 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;

fs/xfs/xfs_da_btree.h

+4 −3
Original line number Diff line number Diff line
@@ -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);

fs/xfs/xfs_dir2_block.c

+12 −11
Original line number Diff line number Diff line
@@ -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);
@@ -917,9 +917,10 @@ 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))) {

	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;