bcachefs: fix missing restart handling in bch2_read_retry_nodecode()

Signed-off-by: Kent Overstreet <[email protected]>

Author: Kent Overstreet

fs/bcachefs/io_read.c

@@ -409,8 +409,8 @@ static void bch2_read_retry_nodecode(struct bch_fs *c, struct bch_read_bio *rbio
 	bch2_trans_begin(trans);
 	rbio->bio.bi_status = 0;
 
-	k = bch2_btree_iter_peek_slot(&iter);
-	if (bkey_err(k))
+	ret = lockrestart_do(trans, bkey_err(k = bch2_btree_iter_peek_slot(&iter)));
+	if (ret)
 		goto err;
 
 	bch2_bkey_buf_reassemble(&sk, c, k);