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authorDarrick J. Wong <darrick.wong@oracle.com>2020-11-08 16:32:41 -0800
committerDarrick J. Wong <darrick.wong@oracle.com>2020-11-18 09:23:50 -0800
commit498fe261f0d6d5189f8e11d283705dd97b474b54 (patch)
tree781f46d2b02c3d6c6e715bb74101bde8e0dc8294 /fs
parente95b6c3ef1311dd7b20467d932a24b6d0fd88395 (diff)
downloadlinux-498fe261f0d6d5189f8e11d283705dd97b474b54.tar.bz2
xfs: strengthen rmap record flags checking
We always know the correct state of the rmap record flags (attr, bmbt, unwritten) so check them by direct comparison. Fixes: d852657ccfc0 ("xfs: cross-reference reverse-mapping btree") Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Chandan Babu R <chandanrlinux@gmail.com> Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs')
-rw-r--r--fs/xfs/scrub/bmap.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/xfs/scrub/bmap.c b/fs/xfs/scrub/bmap.c
index 412e2ec55e38..fed56d213a3f 100644
--- a/fs/xfs/scrub/bmap.c
+++ b/fs/xfs/scrub/bmap.c
@@ -218,13 +218,13 @@ xchk_bmap_xref_rmap(
* which doesn't track unwritten state.
*/
if (owner != XFS_RMAP_OWN_COW &&
- irec->br_state == XFS_EXT_UNWRITTEN &&
- !(rmap.rm_flags & XFS_RMAP_UNWRITTEN))
+ !!(irec->br_state == XFS_EXT_UNWRITTEN) !=
+ !!(rmap.rm_flags & XFS_RMAP_UNWRITTEN))
xchk_fblock_xref_set_corrupt(info->sc, info->whichfork,
irec->br_startoff);
- if (info->whichfork == XFS_ATTR_FORK &&
- !(rmap.rm_flags & XFS_RMAP_ATTR_FORK))
+ if (!!(info->whichfork == XFS_ATTR_FORK) !=
+ !!(rmap.rm_flags & XFS_RMAP_ATTR_FORK))
xchk_fblock_xref_set_corrupt(info->sc, info->whichfork,
irec->br_startoff);
if (rmap.rm_flags & XFS_RMAP_BMBT_BLOCK)