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xfs: add verifier callback to directory read code

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Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Phil White <pwhite@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
This commit is contained in:
Dave Chinner
2012-11-12 22:54:10 +11:00
committed by Ben Myers
parent c631919870
commit 4bb20a83a2
8 changed files with 102 additions and 91 deletions
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23
fs/xfs/xfs_dir2_block.c
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@@ -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));