config: remove HAVE_IO_SCHEDULE_TIMEOUT

Sponsored-by: https://despairlabs.com/sponsor/
Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Tony Hutter <[email protected]>
Reviewed-by: Tino Reichardt <[email protected]>
Signed-off-by: Rob Norris <[email protected]>
Closes #16479

1 files changed, 1 insertions, 43 deletions

diff --git a/module/os/linux/spl/spl-condvar.c b/module/os/linux/spl/spl-condvar.c
index 5898789ad..c44cc018b 100644
--- a/module/os/linux/spl/spl-condvar.c
+++ b/module/os/linux/spl/spl-condvar.c
@@ -209,48 +209,6 @@ __cv_wait_idle(kcondvar_t *cvp, kmutex_t *mp)
 }
 EXPORT_SYMBOL(__cv_wait_idle);
 
-#if defined(HAVE_IO_SCHEDULE_TIMEOUT)
-#define	spl_io_schedule_timeout(t)	io_schedule_timeout(t)
-#else
-
-struct spl_task_timer {
-	struct timer_list timer;
-	struct task_struct *task;
-};
-
-static void
-__cv_wakeup(spl_timer_list_t t)
-{
-	struct timer_list *tmr = (struct timer_list *)t;
-	struct spl_task_timer *task_timer = from_timer(task_timer, tmr, timer);
-
-	wake_up_process(task_timer->task);
-}
-
-static long
-spl_io_schedule_timeout(long time_left)
-{
-	long expire_time = jiffies + time_left;
-	struct spl_task_timer task_timer;
-	struct timer_list *timer = &task_timer.timer;
-
-	task_timer.task = current;
-
-	timer_setup(timer, __cv_wakeup, 0);
-
-	timer->expires = expire_time;
-	add_timer(timer);
-
-	io_schedule();
-
-	del_timer_sync(timer);
-
-	time_left = expire_time - jiffies;
-
-	return (time_left < 0 ? 0 : time_left);
-}
-#endif
-
 /*
  * 'expire_time' argument is an absolute wall clock time in jiffies.
  * Return value is time left (expire_time - now) or -1 if timeout occurred.
@@ -290,7 +248,7 @@ __cv_timedwait_common(kcondvar_t *cvp, kmutex_t *mp, clock_t expire_time,
 	 */
 	mutex_exit(mp);
 	if (io)
-		time_left = spl_io_schedule_timeout(time_left);
+		time_left = io_schedule_timeout(time_left);
 	else
 		time_left = schedule_timeout(time_left);