On Mon, Aug 17, 2020 at 12:09:19PM +0800, Baolin Wang wrote: > The blk_mq_sched_bio_merge() just wrap the __blk_mq_sched_bio_merge(), and > no other places will use __blk_mq_sched_bio_merge(). Thus we can combine > these 2 similar functions into one function. I think the idea was to avoid the function call for the nomerges fast path. Not sure if that is really worth it.