linux-kernel - [tip:sched/core] sched/core: Add __sched tag for io

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Message-ID: <tip-e3b929b0a184edb35531153c5afcaebb09014f9d@git.kernel.org>
Date:   Mon, 17 Jun 2019 07:20:05 -0700
From:   tip-bot for Gao Xiang <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     hpa@...or.com, linux-kernel@...r.kernel.org, koujilong@...wei.com,
        akpm@...ux-foundation.org, tj@...nel.org, miaoxie@...wei.com,
        mingo@...nel.org, peterz@...radead.org, gaoxiang25@...wei.com,
        tglx@...utronix.de, torvalds@...ux-foundation.org
Subject: [tip:sched/core] sched/core: Add __sched tag for io_schedule()

Commit-ID:  e3b929b0a184edb35531153c5afcaebb09014f9d
Gitweb:     https://git.kernel.org/tip/e3b929b0a184edb35531153c5afcaebb09014f9d
Author:     Gao Xiang <gaoxiang25@...wei.com>
AuthorDate: Mon, 3 Jun 2019 17:13:38 +0800
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 17 Jun 2019 12:15:56 +0200

sched/core: Add __sched tag for io_schedule()

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 for IO.

Reported-by: Jilong Kou <koujilong@...wei.com>
Signed-off-by: Gao Xiang <gaoxiang25@...wei.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Acked-by: Tejun Heo <tj@...nel.org>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Miao Xie <miaoxie@...wei.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Fixes: 10ab56434f2f ("sched/core: Separate out io_schedule_prepare() and io_schedule_finish()")
Link: https://lkml.kernel.org/r/20190603091338.2695-1-gaoxiang25@huawei.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 kernel/sched/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 29984d8c41f0..cd047927f707 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5122,7 +5122,7 @@ long __sched io_schedule_timeout(long timeout)
 }
 EXPORT_SYMBOL(io_schedule_timeout);
 
-void io_schedule(void)
+void __sched io_schedule(void)
 {
 	int token;