bcachefs: Fix a locking bug in bch2_btree_ptr_debugcheck()

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

fs/bcachefs/extents.c

@@ -179,7 +179,7 @@ void bch2_btree_ptr_debugcheck(struct bch_fs *c, struct bkey_s_c k)
 		return;
 
 	bch2_fs_inconsistent_on(!test_bit(BCH_FS_REBUILD_REPLICAS, &c->flags) &&
-		!bch2_bkey_replicas_marked(c, k, false), c,
+		!bch2_bkey_replicas_marked_locked(c, k, false), c,
 		"btree key bad (replicas not marked in superblock):\n%s",
 		(bch2_bkey_val_to_text(&PBUF(buf), c, k), buf));