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@xxxxxxxxxx> Cc: Tejun Heo <tj@xxxxxxxxxx> Cc: Ingo Molnar <mingo@xxxxxxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Acked-by: Tejun Heo <tj@xxxxxxxxxx> Fixes: 10ab56434f2f ("sched/core: Separate out io_schedule_prepare() and io_schedule_finish()") Cc: <stable@xxxxxxxxxxxxxxx> # 4.11+ Signed-off-by: Gao Xiang <gaoxiang25@xxxxxxxxxx> --- change log v2: - add missing tags 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 874c427742a9..4d5962232a55 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -5123,7 +5123,7 @@ long __sched io_schedule_timeout(long timeout) } EXPORT_SYMBOL(io_schedule_timeout); -void io_schedule(void) +void __sched io_schedule(void) { int token; -- 2.17.1