linux-kernel - Re: [PATCH] sched/core: add __sched tag for io

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Message-ID: <940b2690-78ce-03b9-8e0d-ce08cdda722f@huawei.com>
Date:   Mon, 3 Jun 2019 17:00:59 +0800
From:   Gao Xiang <gaoxiang25@...wei.com>
To:     Peter Zijlstra <peterz@...radead.org>
CC:     Andrew Morton <akpm@...ux-foundation.org>,
        Ingo Molnar <mingo@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>, Tejun Heo <tj@...nel.org>
Subject: Re: [PATCH] sched/core: add __sched tag for io_schedule()

Hi Peter,

On 2019/6/3 16:58, Peter Zijlstra wrote:
> On Fri, May 31, 2019 at 04:29:12PM +0800, Gao Xiang wrote:
>> non-inline io_schedule() was introduced in
>> commit 10ab56434f2f ("sched/core: Separate out io_schedule_prepare() and io_schedule_finish()")
>> Keep in line with io_schedule_timeout, Otherwise
>> "/proc/<pid>/wchan" will report io_schedule()
>> rather than its callers when waiting io.
>>
>> Reported-by: Jilong Kou <koujilong@...wei.com>
>> Cc: Tejun Heo <tj@...nel.org>
>> Cc: Ingo Molnar <mingo@...hat.com>
>> Cc: Peter Zijlstra <peterz@...radead.org>
>> Signed-off-by: Gao Xiang <gaoxiang25@...wei.com>
> 
> This is lacking a Fixes: tag.
> 

OK, thanks for pointing out. It seems enough to resend this patch.
I will resend this patch with all necessary tags.

Thanks,
Gao Xiang