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xfs: directory bestfree check should release buffers

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When we're checking bestfree information in directory blocks, always
drop the block buffer at the end of the function.  We should always
release resources when we're done using them.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
This commit is contained in:
Darrick J. Wong 2020-03-24 20:10:56 -07:00
parent afbabf5630
commit d59f44d3e7
1 changed files with 6 additions and 4 deletions
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10
fs/xfs/scrub/dir.c
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@ -503,7 +503,7 @@ xchk_directory_leaf1_bestfree(
/* Read the free space block. */
error = xfs_dir3_leaf_read(sc->tp, sc->ip, lblk, &bp);
if (!xchk_fblock_process_error(sc, XFS_DATA_FORK, lblk, &error))
goto out;
return error;
xchk_buffer_recheck(sc, bp);
leaf = bp->b_addr;
@ -568,9 +568,10 @@ xchk_directory_leaf1_bestfree(
xchk_directory_check_freesp(sc, lblk, dbp, best);
xfs_trans_brelse(sc->tp, dbp);
if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
goto out;
break;
}
out:
xfs_trans_brelse(sc->tp, bp);
return error;
}
@ -592,7 +593,7 @@ xchk_directory_free_bestfree(
/* Read the free space block */
error = xfs_dir2_free_read(sc->tp, sc->ip, lblk, &bp);
if (!xchk_fblock_process_error(sc, XFS_DATA_FORK, lblk, &error))
goto out;
return error;
xchk_buffer_recheck(sc, bp);
if (xfs_sb_version_hascrc(&sc->mp->m_sb)) {
@ -615,7 +616,7 @@ xchk_directory_free_bestfree(
0, &dbp);
if (!xchk_fblock_process_error(sc, XFS_DATA_FORK, lblk,
&error))
break;
goto out;
xchk_directory_check_freesp(sc, lblk, dbp, best);
xfs_trans_brelse(sc->tp, dbp);
}
@ -623,6 +624,7 @@ xchk_directory_free_bestfree(
if (freehdr.nused + stale != freehdr.nvalid)
xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, lblk);
out:
xfs_trans_brelse(sc->tp, bp);
return error;
}