Re: [PATCH v2] sched/core: add __sched tag for io_schedule()

Peter Zijlstra
2019-06-03T09:44:41Z

On Mon, Jun 03, 2019 at 05:13:38PM +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>
> Acked-by: Tejun Heo <tj@kernel.org>
> Fixes: 10ab56434f2f ("sched/core: Separate out io_schedule_prepare() and io_schedule_finish()")
> Cc: <stable@vger.kernel.org> # 4.11+
> Signed-off-by: Gao Xiang <gaoxiang25@huawei.com>

Thanks