On 05/26/2017 05:53 AM, Ming Lei wrote: > Hi, > > The 1st patch moves sw queue's bio merge before plugging, then > the sequential I/O performance regression by blk-mq can be fixed. > > The 2nd patch makes the sw queue's bio merge as the default .bio_merge > if no io scheduler is used or the io scheduler doesn't provide > .bio_merge. > > This post splits the orginal one into two patches to make diff easy-read > as suggested by Christoph. Looks good to me now, thanks Ming. I'll queue this up for 4.13 when I open that up, which is very soon. -- Jens Axboe
