bcachefs: Don't set btree_path to updtodate if we don't fill

This fixes various locking asserts, and a null ptr deref in
bch2_btree_iter_peek_path().

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

diff --git a/fs/bcachefs/btree_key_cache.c b/fs/bcachefs/btree_key_cache.c
index 7636a5e974097dba48b30d60fe9c5171723a03d8..3b62296c3100e77ffe17c0446e0d5150cd39e0b1 100644 (file)
--- a/fs/bcachefs/btree_key_cache.c
+++ b/fs/bcachefs/btree_key_cache.c
@@ -291,10 +291,8 @@ static noinline int btree_key_cache_fill(struct btree_trans *trans,
                                         struct btree_path *ck_path,
                                         unsigned flags)
 {
-       if (flags & BTREE_ITER_cached_nofill) {
-               ck_path->uptodate = BTREE_ITER_UPTODATE;
+       if (flags & BTREE_ITER_cached_nofill)
                return 0;
-       }
 
        struct bch_fs *c = trans->c;
        struct btree_iter iter;