bcachefs: Check for directories in deleted inodes btree

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

diff --git a/fs/bcachefs/inode.c b/fs/bcachefs/inode.c
index e0d416553bf0b00ed2bb7eb112c9a2909afc6624..46c4012facb0c297dc36bd251f95139c9d28eff5 100644 (file)
--- a/fs/bcachefs/inode.c
+++ b/fs/bcachefs/inode.c
@@ -1048,6 +1048,11 @@ static int may_delete_deleted_inode(struct btree_trans *trans, struct bpos pos)
        if (ret)
                goto err;
 
+       if (fsck_err_on(S_ISDIR(inode.bi_mode), c,
+                       "directory %llu:%u in deleted_inodes btree",
+                       pos.offset, pos.snapshot))
+               goto delete;
+
        if (fsck_err_on(!(inode.bi_flags & BCH_INODE_UNLINKED), c,
                        "non-deleted inode %llu:%u in deleted_inodes btree",
                        pos.offset, pos.snapshot))