On Thu, 20 Apr 2023 19:20:18 +0800, Ming Lei wrote: > This reverts commit 23f3e3272e7a4d9fb870485cd6df1e4f9539282c. > > blk-mq sched bio merge still needs request to grab queue usage counter, > so we can't simply call blk_mq_attempt_bio_merge() when queue usage > counter isn't held. > > > [...] Applied, thanks! [1/1] Revert "block: Merge bio before checking ->cached_rq" commit: 81ea1222f2fa5006f4b9759c2fe1ec154109622d Best regards, -- Jens Axboe