block: use cancel_work_sync() instead of kblockd_flush_work()
After many improvements on kblockd_flush_work, it is now identical to
cancel_work_sync, so a direct call to cancel_work_sync is suggested.
The only difference is that cancel_work_sync is a GPL symbol,
so no non-GPL modules anymore.
Signed-off-by: Cheng Renquan <crquan@gmail.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/block/as-iosched.c b/block/as-iosched.c
index 71f0abb..802b5d0 100644
--- a/block/as-iosched.c
+++ b/block/as-iosched.c
@@ -1344,7 +1344,7 @@
struct as_data *ad = e->elevator_data;
del_timer_sync(&ad->antic_timer);
- kblockd_flush_work(&ad->antic_work);
+ cancel_work_sync(&ad->antic_work);
BUG_ON(!list_empty(&ad->fifo_list[REQ_SYNC]));
BUG_ON(!list_empty(&ad->fifo_list[REQ_ASYNC]));
diff --git a/block/blk-core.c b/block/blk-core.c
index 20e1724..2fdcd0c 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -408,7 +408,7 @@
{
del_timer_sync(&q->unplug_timer);
del_timer_sync(&q->timeout);
- kblockd_flush_work(&q->unplug_work);
+ cancel_work_sync(&q->unplug_work);
}
EXPORT_SYMBOL(blk_sync_queue);
@@ -2147,12 +2147,6 @@
}
EXPORT_SYMBOL(kblockd_schedule_work);
-void kblockd_flush_work(struct work_struct *work)
-{
- cancel_work_sync(work);
-}
-EXPORT_SYMBOL(kblockd_flush_work);
-
int __init blk_dev_init(void)
{
kblockd_workqueue = create_workqueue("kblockd");
diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c
index 6a062ee..a2bfec7 100644
--- a/block/cfq-iosched.c
+++ b/block/cfq-iosched.c
@@ -2160,7 +2160,7 @@
static void cfq_shutdown_timer_wq(struct cfq_data *cfqd)
{
del_timer_sync(&cfqd->idle_slice_timer);
- kblockd_flush_work(&cfqd->unplug_work);
+ cancel_work_sync(&cfqd->unplug_work);
}
static void cfq_put_async_queues(struct cfq_data *cfqd)