From: Tejun Heo <tj@kernel.org>
To: Gao Xiang <gaoxiang25@huawei.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
Ingo Molnar <mingo@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH] sched/core: add __sched tag for io_schedule()
Date: Fri, 31 May 2019 07:37:59 -0700 [thread overview]
Message-ID: <20190531143759.GD374014@devbig004.ftw2.facebook.com> (raw)
In-Reply-To: <20190531082912.80724-1-gaoxiang25@huawei.com>
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@huawei.com>
> Cc: Tejun Heo <tj@kernel.org>
> Cc: Ingo Molnar <mingo@redhat.com>
> Cc: Peter Zijlstra <peterz@infradead.org>
> Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>
Acked-by: Tejun Heo <tj@kernel.org>
Thanks.
--
tejun
next prev parent reply other threads:[~2019-05-31 14:38 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-31 8:29 [PATCH] sched/core: add __sched tag for io_schedule() Gao Xiang
2019-05-31 14:37 ` Tejun Heo [this message]
2019-06-03 4:25 ` Gao Xiang
2019-06-03 8:58 ` Peter Zijlstra
2019-06-03 9:00 ` Gao Xiang
2019-06-03 9:13 ` [PATCH v2] " Gao Xiang
2019-06-03 9:44 ` Peter Zijlstra
2019-06-12 11:34 ` Gao Xiang
2019-06-17 14:20 ` [tip:sched/core] sched/core: Add " tip-bot for Gao Xiang
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