On Thu, 11 Jan 2024 14:57:03 +0100, Christoph Hellwig wrote: > current blk_submit_bio can call into the bio splitting code without > q_usage_counter held, which can lead to inconsistent limits beeing > applied for drivers that change the limits at runtime. > > The first patch in the series is a small comment and naming cleanup, > and the second one ensures we always hold q_usage_counter before > even entering blk_mq_submit_bio. > > [...] Applied, thanks! [1/2] blk-mq: rename blk_mq_can_use_cached_rq commit: edc2e480a9f242c91fc7bb64d6de77af75bd59b5 [2/2] blk-mq: ensure a q_usage_counter reference is held when splitting bios commit: 744bdfb30b119f011d800e865623f3eb0a28c949 Best regards, -- Jens Axboe