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-rw-r--r--block/blk-throttle.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/block/blk-throttle.c b/block/blk-throttle.c
index e287c19908c..a9664fa0b60 100644
--- a/block/blk-throttle.c
+++ b/block/blk-throttle.c
@@ -180,7 +180,7 @@ static inline unsigned int total_nr_queued(struct throtl_data *td)
/*
* Worker for allocating per cpu stat for tgs. This is scheduled on the
- * system_nrt_wq once there are some groups on the alloc_list waiting for
+ * system_wq once there are some groups on the alloc_list waiting for
* allocation.
*/
static void tg_stats_alloc_fn(struct work_struct *work)
@@ -194,8 +194,7 @@ alloc_stats:
stats_cpu = alloc_percpu(struct tg_stats_cpu);
if (!stats_cpu) {
/* allocation failed, try again after some time */
- queue_delayed_work(system_nrt_wq, dwork,
- msecs_to_jiffies(10));
+ schedule_delayed_work(dwork, msecs_to_jiffies(10));
return;
}
}
@@ -238,7 +237,7 @@ static void throtl_pd_init(struct blkcg_gq *blkg)
*/
spin_lock_irqsave(&tg_stats_alloc_lock, flags);
list_add(&tg->stats_alloc_node, &tg_stats_alloc_list);
- queue_delayed_work(system_nrt_wq, &tg_stats_alloc_work, 0);
+ schedule_delayed_work(&tg_stats_alloc_work, 0);
spin_unlock_irqrestore(&tg_stats_alloc_lock, flags);
}
@@ -930,12 +929,7 @@ throtl_schedule_delayed_work(struct throtl_data *td, unsigned long delay)
/* schedule work if limits changed even if no bio is queued */
if (total_nr_queued(td) || td->limits_changed) {
- /*
- * We might have a work scheduled to be executed in future.
- * Cancel that and schedule a new one.
- */
- __cancel_delayed_work(dwork);
- queue_delayed_work(kthrotld_workqueue, dwork, delay);
+ mod_delayed_work(kthrotld_workqueue, dwork, delay);
throtl_log(td, "schedule work. delay=%lu jiffies=%lu",
delay, jiffies);
}