On Tue, Jun 11, 2024 at 05:16:37PM +0900, Damien Le Moal wrote: > > @@ -1825,9 +1815,7 @@ int dm_table_set_restrictions(struct dm_table *t, struct request_queue *q, > > int r; > > > > if (dm_table_supports_nowait(t)) > > - blk_queue_flag_set(QUEUE_FLAG_NOWAIT, q); > > - else > > - blk_queue_flag_clear(QUEUE_FLAG_NOWAIT, q); > > + limits->features &= ~BLK_FEAT_NOWAIT; > > Shouldn't you set the flag here instead of clearing it ? No, but the dm_table_supports_nowait check needs to be inverted.