On Thu, Aug 18, 2022 at 9:50 PM Chris Murphy <lists@xxxxxxxxxxxxxxxxx> wrote: > > > > On Thu, Aug 18, 2022, at 1:24 AM, Ming Lei wrote: > > > > > Also please test the following one too: > > > > > > diff --git a/block/blk-mq.c b/block/blk-mq.c > > index 5ee62b95f3e5..d01c64be08e2 100644 > > --- a/block/blk-mq.c > > +++ b/block/blk-mq.c > > @@ -1991,7 +1991,8 @@ bool blk_mq_dispatch_rq_list(struct blk_mq_hw_ctx > > *hctx, struct list_head *list, > > if (!needs_restart || > > (no_tag && list_empty_careful(&hctx->dispatch_wait.entry))) > > blk_mq_run_hw_queue(hctx, true); > > - else if (needs_restart && needs_resource) > > + else if (needs_restart && (needs_resource || > > + blk_mq_is_shared_tags(hctx->flags))) > > blk_mq_delay_run_hw_queue(hctx, BLK_MQ_RESOURCE_DELAY); > > > > blk_mq_update_dispatch_busy(hctx, true); > > > > Should I test both patches at the same time, or separately? On top of v5.17 clean, or with b6e68ee82585 still reverted? Please test it separately against v5.17. thanks,