linux-kernel - Re: [PATCH] aio: inform block layer of how many requests we are submitting

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Message-ID: <YekleGTvwbfHI/e2@infradead.org>
Date:   Thu, 20 Jan 2022 01:03:52 -0800
From:   Christoph Hellwig <hch@...radead.org>
To:     GuoYong Zheng <zhenggy@...natelecom.cn>
Cc:     bcrl@...ck.org, viro@...iv.linux.org.uk, linux-aio@...ck.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] aio: inform block layer of how many requests we are
 submitting

On Tue, Jan 18, 2022 at 05:17:44PM +0800, GuoYong Zheng wrote:
> After commit 47c122e35d7e ("block: pre-allocate requests if plug is
> started and is a batch"), block layer can make smarter request allocation
> if it know how many requests it need to submit, so switch to use
> blk_start_plug_nr_ios here to pass the number of requests we will submit.

Looks good:

Reviewed-by: Christoph Hellwig <hch@....de>