On 09/21/2017 09:29 AM, Christoph Hellwig wrote: > So the check change here looks good to me. > > I don't like like the duplicate code, can you look into sharing > the new segment checks between the two functions and the existing > instance in ll_merge_requests_fn by passing say two struct bio *bio1 > and struct bio *bio2 pointer instead of using req->bio and req->biotail? > > Also please include the information that you posted in the reply to > the other patch in the description for this one. > I have just sent a new version which contains more comment before I see this mail. I will send out another new version that apply your advice later. Thanks for your kind and fair comment. Jianchao