diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c index 76f546d56a64..437a7431b4ea 100644 --- a/fs/fs-writeback.c +++ b/fs/fs-writeback.c @@ -978,8 +978,13 @@ int bdi_writeback_task(struct bdi_writeback *wb) if (dirty_writeback_interval) { wait_jiffies = msecs_to_jiffies(dirty_writeback_interval * 10); schedule_timeout_interruptible(wait_jiffies); - } else - schedule(); + } else { + set_current_state(TASK_INTERRUPTIBLE); + if (list_empty_careful(&wb->bdi->work_list) && + !kthread_should_stop()) + schedule(); + __set_current_state(TASK_RUNNING); + } try_to_freeze(); }