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Diffstat (limited to 'fs/xfs/scrub/dir.c')
-rw-r--r--fs/xfs/scrub/dir.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/fs/xfs/scrub/dir.c b/fs/xfs/scrub/dir.c
index 200a63f58fe7..38897adde7b5 100644
--- a/fs/xfs/scrub/dir.c
+++ b/fs/xfs/scrub/dir.c
@@ -497,6 +497,7 @@ STATIC int
xchk_directory_leaf1_bestfree(
struct xfs_scrub *sc,
struct xfs_da_args *args,
+ xfs_dir2_db_t last_data_db,
xfs_dablk_t lblk)
{
struct xfs_dir3_icleaf_hdr leafhdr;
@@ -534,10 +535,14 @@ xchk_directory_leaf1_bestfree(
}
/*
- * There should be as many bestfree slots as there are dir data
- * blocks that can fit under i_size.
+ * There must be enough bestfree slots to cover all the directory data
+ * blocks that we scanned. It is possible for there to be a hole
+ * between the last data block and i_disk_size. This seems like an
+ * oversight to the scrub author, but as we have been writing out
+ * directories like this (and xfs_repair doesn't mind them) for years,
+ * that's what we have to check.
*/
- if (bestcount != xfs_dir2_byte_to_db(geo, sc->ip->i_disk_size)) {
+ if (bestcount != last_data_db + 1) {
xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, lblk);
goto out;
}
@@ -669,6 +674,7 @@ xchk_directory_blocks(
xfs_fileoff_t lblk;
struct xfs_iext_cursor icur;
xfs_dablk_t dabno;
+ xfs_dir2_db_t last_data_db = 0;
bool found;
int is_block = 0;
int error;
@@ -712,6 +718,7 @@ xchk_directory_blocks(
args.geo->fsbcount);
lblk < got.br_startoff + got.br_blockcount;
lblk += args.geo->fsbcount) {
+ last_data_db = xfs_dir2_da_to_db(args.geo, lblk);
error = xchk_directory_data_bestfree(sc, lblk,
is_block);
if (error)
@@ -734,7 +741,7 @@ xchk_directory_blocks(
xchk_fblock_set_corrupt(sc, XFS_DATA_FORK, lblk);
goto out;
}
- error = xchk_directory_leaf1_bestfree(sc, &args,
+ error = xchk_directory_leaf1_bestfree(sc, &args, last_data_db,
leaf_lblk);
if (error)
goto out;