diff options
| author | Remi Pommarel <repk@triplefau.lt> | 2026-01-23 15:48:07 +0100 |
|---|---|---|
| committer | Dominique Martinet <asmadeus@codewreck.org> | 2026-01-29 07:33:35 +0000 |
| commit | ca136b2553084120a1f864f14f4bc70f08cb6420 (patch) | |
| tree | 12c79131e5d29dfffb23d53c694a96c4b199b015 | |
| parent | 63804fed149a6750ffd28610c5c1c98cce6bd377 (diff) | |
wait: Introduce io_wait_event_killable()
Add io_wait_event_killable(), a variant of wait_event_killable() that
uses io_schedule() instead of schedule(). This is to be used in
situation where waiting time is to be accounted as IO wait time.
Signed-off-by: Remi Pommarel <repk@triplefau.lt>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Message-ID: <1b2870001ecd34fe6c05be2ddfefb3c798b11701.1769179462.git.repk@triplefau.lt>
Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
| -rw-r--r-- | include/linux/wait.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/include/linux/wait.h b/include/linux/wait.h index f648044466d5..dce055e6add3 100644 --- a/include/linux/wait.h +++ b/include/linux/wait.h @@ -937,6 +937,21 @@ extern int do_wait_intr_irq(wait_queue_head_t *, wait_queue_entry_t *); __ret; \ }) +#define __io_wait_event_killable(wq, condition) \ + ___wait_event(wq, condition, TASK_KILLABLE, 0, 0, io_schedule()) + +/* + * wait_event_killable() - link wait_event_killable but with io_schedule() + */ +#define io_wait_event_killable(wq_head, condition) \ +({ \ + int __ret = 0; \ + might_sleep(); \ + if (!(condition)) \ + __ret = __io_wait_event_killable(wq_head, condition); \ + __ret; \ +}) + #define __wait_event_state(wq, condition, state) \ ___wait_event(wq, condition, state, 0, 0, schedule()) |