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Date: Wed, 31 Aug 2022 08:48:49 +0800 From: Liu Song <liusong@...ux.alibaba.com> To: Chaitanya Kulkarni <chaitanyak@...dia.com> Cc: "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>, "axboe@...nel.dk" <axboe@...nel.dk>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: [RFC PATCH] blk-mq: change bio_set_ioprio to inline On 2022/8/30 20:48, Chaitanya Kulkarni wrote: > On 8/30/22 02:45, Liu Song wrote: >> From: Liu Song <liusong@...ux.alibaba.com> >> >> Change "bio_set_ioprio" to inline to avoid calling overhead. >> >> Signed-off-by: Liu Song <liusong@...ux.alibaba.com> > for performance overhead please provide quantitative data > > -ck > This is a small adjustment, and even if performance comparison data is obtained for targeted design use cases, it is not universal. If the inline by the compiler is successful, the number of instructions will be reduced. Thanks >
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