system_highpri_wq is missed in workqueue.h, add it back.
also add a short comment for it.
CC: Joonsoo Kim <js1...@gmail.com>
Signed-off-by: Lai Jiangshan <la...@cn.fujitsu.com>
---
include/linux/workqueue.h | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 2b58905..68b1d2a 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -294,6 +294,9 @@ enum {
* short queue flush time. Don't queue works which can run for too
* long.
*
+ * system_highpri_wq is similar to system_wq but services for urgent works
+ * and works will be processed in high priority workers.
+ *
* system_long_wq is similar to system_wq but may host long running
* works. Queue flushing might take relatively long.
*
@@ -306,6 +309,7 @@ enum {
* freezable.
*/
extern struct workqueue_struct *system_wq;
+extern struct workqueue_struct *system_highpri_wq;
extern struct workqueue_struct *system_long_wq;
extern struct workqueue_struct *system_unbound_wq;
extern struct workqueue_struct *system_freezable_wq;
--
1.7.7.6
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