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From: Christoph Hellwig <hch@lst.de>
To: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: axboe@kernel.dk, ming.lei@redhat.com, hch@lst.de,
	baolin.wang7@gmail.com, linux-block@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH RESEND 5/5] block: Remove __blk_mq_sched_bio_merge() helper
Date: Mon, 17 Aug 2020 08:32:41 +0200	[thread overview]
Message-ID: <20200817063241.GE12248@lst.de> (raw)
In-Reply-To: <4ad0888df567a8bd75676b618ad87147c634d7b0.1597637287.git.baolin.wang@linux.alibaba.com>

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.

  reply	other threads:[~2020-08-17  6:32 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-17  4:09 [PATCH RESEND 0/5] Some clean-ups for bio merge Baolin Wang
2020-08-17  4:09 ` [PATCH RESEND 1/5] block: Move bio merge related functions into blk-merge.c Baolin Wang
2020-08-17  6:15   ` Christoph Hellwig
2020-08-17  4:09 ` [PATCH RESEND 2/5] block: Remove redundant blk_mq_sched_allow_merge() validation Baolin Wang
2020-08-17  6:22   ` Christoph Hellwig
2020-08-17 12:06     ` Baolin Wang
2020-08-17  4:09 ` [PATCH RESEND 3/5] block: Add a new helper to attempt to merge a bio Baolin Wang
2020-08-17  6:26   ` Christoph Hellwig
2020-08-17 12:10     ` Baolin Wang
2020-08-17 12:24       ` Christoph Hellwig
2020-08-18  3:30         ` Baolin Wang
2020-08-17  7:55   ` kernel test robot
2020-08-17  7:55   ` [PATCH] block: fix boolconv.cocci warnings kernel test robot
2020-08-17  4:09 ` [PATCH RESEND 4/5] block: Remove blk_mq_attempt_merge() function Baolin Wang
2020-08-17  6:31   ` Christoph Hellwig
2020-08-17 12:10     ` Baolin Wang
2020-08-17  4:09 ` [PATCH RESEND 5/5] block: Remove __blk_mq_sched_bio_merge() helper Baolin Wang
2020-08-17  6:32   ` Christoph Hellwig [this message]
2020-08-17 12:14     ` Baolin Wang
2020-08-17 12:26       ` Christoph Hellwig
2020-08-18  3:29         ` Baolin Wang

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