block: add kblockd_schedule_delayed_work_on()

Same function as kblockd_schedule_delayed_work(), but allow the caller to pass in a CPU that the work should be executed on. This just directly extends and maps into the workqueue API, and will be used to make the blk-mq mappings more strict. Signed-off-by: Jens Axboe <axboe@fb.com>
git-mirror · Apr 9, 2014 · 8ab1459 · 8ab1459
1 parent 59c3d45
commit 8ab1459
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diff --git a/block/blk-core.c b/block/blk-core.c
@@ -2917,6 +2917,13 @@ int kblockd_schedule_delayed_work(struct delayed_work *dwork,
 }
 EXPORT_SYMBOL(kblockd_schedule_delayed_work);
 
+int kblockd_schedule_delayed_work_on(int cpu, struct delayed_work *dwork,
+				     unsigned long delay)
+{
+	return queue_delayed_work_on(cpu, kblockd_workqueue, dwork, delay);
+}
+EXPORT_SYMBOL(kblockd_schedule_delayed_work_on);
+
 #define PLUG_MAGIC	0x91827364
 
 /**

diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
@@ -1361,6 +1361,7 @@ static inline void put_dev_sector(Sector p)
 struct work_struct;
 int kblockd_schedule_work(struct work_struct *work);
 int kblockd_schedule_delayed_work(struct delayed_work *dwork, unsigned long delay);
+int kblockd_schedule_delayed_work_on(int cpu, struct delayed_work *dwork, unsigned long delay);
 
 #ifdef CONFIG_BLK_CGROUP
 /*