Re: [PATCH] block: consider merge of segments when merge bio into rq

From: jianchao.wang
Date: Wed Sep 20 2017 - 21:35:27 EST




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