linux-kernel - Re: [PATCH RESEND 5/5] block: Remove __blk_mq_sched_bio

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Date:   Mon, 17 Aug 2020 08:32:41 +0200
From:   Christoph Hellwig <hch@....de>
To:     Baolin Wang <baolin.wang@...ux.alibaba.com>
Cc:     axboe@...nel.dk, ming.lei@...hat.com, hch@....de,
        baolin.wang7@...il.com, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH RESEND 5/5] block: Remove __blk_mq_sched_bio_merge()
 helper

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.