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authorTejun Heo <tj@kernel.org>2013-03-12 17:41:37 -0700
committerTejun Heo <tj@kernel.org>2013-03-12 17:42:01 -0700
commite62676169118bc2d42e5008b3f8872646313f077 (patch)
tree98ce7e6b03a8a18fa322de7997248a8e0b7b2f84 /include/linux/workqueue.h
parent226223ab3c4118ddd10688cc2c131135848371ab (diff)
workqueue: implement current_is_workqueue_rescuer()
Implement a function which queries whether it currently is running off a workqueue rescuer. This will be used to convert writeback to workqueue. Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'include/linux/workqueue.h')
-rw-r--r--include/linux/workqueue.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 7f6d29a417c0..df30763c8682 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -451,6 +451,7 @@ extern bool cancel_delayed_work_sync(struct delayed_work *dwork);
extern void workqueue_set_max_active(struct workqueue_struct *wq,
int max_active);
+extern bool current_is_workqueue_rescuer(void);
extern bool workqueue_congested(int cpu, struct workqueue_struct *wq);
extern unsigned int work_busy(struct work_struct *work);