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

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Message-ID: <20190603085836.GD3436@hirez.programming.kicks-ass.net>
Date:   Mon, 3 Jun 2019 10:58:36 +0200
From:   Peter Zijlstra <peterz@...radead.org>
To:     Gao Xiang <gaoxiang25@...wei.com>
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()

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.