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path: root/fs/xfs/scrub/dir.c
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Diffstat (limited to 'fs/xfs/scrub/dir.c')
-rw-r--r--fs/xfs/scrub/dir.c35
1 files changed, 27 insertions, 8 deletions
diff --git a/fs/xfs/scrub/dir.c b/fs/xfs/scrub/dir.c
index 38f29806eb54..1a4309b3e786 100644
--- a/fs/xfs/scrub/dir.c
+++ b/fs/xfs/scrub/dir.c
@@ -172,7 +172,7 @@ xfs_scrub_dir_actor(
error = xfs_dir_lookup(sdc->sc->tp, ip, &xname, &lookup_ino, NULL);
if (!xfs_scrub_fblock_process_error(sdc->sc, XFS_DATA_FORK, offset,
&error))
- goto fail_xref;
+ goto out;
if (lookup_ino != ino) {
xfs_scrub_fblock_set_corrupt(sdc->sc, XFS_DATA_FORK, offset);
goto out;
@@ -183,8 +183,13 @@ xfs_scrub_dir_actor(
if (error)
goto out;
out:
- return error;
-fail_xref:
+ /*
+ * A negative error code returned here is supposed to cause the
+ * dir_emit caller (xfs_readdir) to abort the directory iteration
+ * and return zero to xfs_scrub_directory.
+ */
+ if (error == 0 && sdc->sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
+ return -EFSCORRUPTED;
return error;
}
@@ -240,6 +245,9 @@ xfs_scrub_dir_rec(
}
xfs_scrub_buffer_recheck(ds->sc, bp);
+ if (ds->sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
+ goto out_relse;
+
dent = (struct xfs_dir2_data_entry *)(((char *)bp->b_addr) + off);
/* Make sure we got a real directory entry. */
@@ -357,6 +365,9 @@ xfs_scrub_directory_data_bestfree(
/* XXX: Check xfs_dir3_data_hdr.pad is zero once we start setting it. */
+ if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
+ goto out_buf;
+
/* Do the bestfrees correspond to actual free space? */
bf = d_ops->data_bestfree_p(bp->b_addr);
smallest_bestfree = UINT_MAX;
@@ -413,14 +424,18 @@ xfs_scrub_directory_data_bestfree(
/* Spot check this free entry */
tag = be16_to_cpu(*xfs_dir2_data_unused_tag_p(dup));
- if (tag != ((char *)dup - (char *)bp->b_addr))
+ if (tag != ((char *)dup - (char *)bp->b_addr)) {
xfs_scrub_fblock_set_corrupt(sc, XFS_DATA_FORK, lblk);
+ goto out_buf;
+ }
/*
* Either this entry is a bestfree or it's smaller than
* any of the bestfrees.
*/
xfs_scrub_directory_check_free_entry(sc, lblk, bf, dup);
+ if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
+ goto out_buf;
/* Move on. */
newlen = be16_to_cpu(dup->length);
@@ -546,6 +561,8 @@ xfs_scrub_directory_leaf1_bestfree(
}
if (leafhdr.stale != stale)
xfs_scrub_fblock_set_corrupt(sc, XFS_DATA_FORK, lblk);
+ if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
+ goto out;
/* Check all the bestfree entries. */
for (i = 0; i < bestcount; i++, bestp++) {
@@ -556,9 +573,11 @@ xfs_scrub_directory_leaf1_bestfree(
i * args->geo->fsbcount, -1, &dbp);
if (!xfs_scrub_fblock_process_error(sc, XFS_DATA_FORK, lblk,
&error))
- continue;
+ break;
xfs_scrub_directory_check_freesp(sc, lblk, dbp, best);
xfs_trans_brelse(sc->tp, dbp);
+ if (sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)
+ goto out;
}
out:
return error;
@@ -607,7 +626,7 @@ xfs_scrub_directory_free_bestfree(
-1, &dbp);
if (!xfs_scrub_fblock_process_error(sc, XFS_DATA_FORK, lblk,
&error))
- continue;
+ break;
xfs_scrub_directory_check_freesp(sc, lblk, dbp, best);
xfs_trans_brelse(sc->tp, dbp);
}
@@ -656,7 +675,7 @@ xfs_scrub_directory_blocks(
/* Iterate all the data extents in the directory... */
found = xfs_iext_lookup_extent(sc->ip, ifp, lblk, &icur, &got);
- while (found) {
+ while (found && !(sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)) {
/* Block directories only have a single block at offset 0. */
if (is_block &&
(got.br_startoff > 0 ||
@@ -719,7 +738,7 @@ xfs_scrub_directory_blocks(
/* Scan for free blocks */
lblk = free_lblk;
found = xfs_iext_lookup_extent(sc->ip, ifp, lblk, &icur, &got);
- while (found) {
+ while (found && !(sc->sm->sm_flags & XFS_SCRUB_OFLAG_CORRUPT)) {
/*
* Dirs can't have blocks mapped above 2^32.
* Single-block dirs shouldn't even be here.