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Diffstat (limited to 'fs/xfs/scrub/common.c')
-rw-r--r--fs/xfs/scrub/common.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/fs/xfs/scrub/common.c b/fs/xfs/scrub/common.c
index 777959f8ec72..001af49b2988 100644
--- a/fs/xfs/scrub/common.c
+++ b/fs/xfs/scrub/common.c
@@ -947,9 +947,15 @@ xchk_iget_for_scrubbing(
if (sc->sm->sm_ino == 0 || sc->sm->sm_ino == ip_in->i_ino)
return xchk_install_live_inode(sc, ip_in);
- /* Reject internal metadata files and obviously bad inode numbers. */
- if (xfs_is_sb_inum(mp, sc->sm->sm_ino))
+ /*
+ * On pre-metadir filesystems, reject internal metadata files. For
+ * metadir filesystems, limited scrubbing of any file in the metadata
+ * directory tree by handle is allowed, because that is the only way to
+ * validate the lack of parent pointers in the sb-root metadata inodes.
+ */
+ if (!xfs_has_metadir(mp) && xfs_is_sb_inum(mp, sc->sm->sm_ino))
return -ENOENT;
+ /* Reject obviously bad inode numbers. */
if (!xfs_verify_ino(sc->mp, sc->sm->sm_ino))
return -ENOENT;