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authorTejun Heo <tj@kernel.org>2011-02-08 12:39:03 +0300
committerTejun Heo <tj@kernel.org>2011-02-09 11:37:49 +0300
commit4149efb22da66e326fc48baf80d628834509f7f0 (patch)
treef55c97e3678eaff010a36b97bcde0e9d2294ccb4 /kernel/workqueue.c
parentc534a107e8fe446202b0fab102abc015c56c0317 (diff)
downloadlinux-4149efb22da66e326fc48baf80d628834509f7f0.tar.xz
workqueue: add system_freezeable_wq
Add system wide freezeable workqueue. Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Diffstat (limited to 'kernel/workqueue.c')
-rw-r--r--kernel/workqueue.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 11869faa6819..28f8bd08f0e7 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -249,10 +249,12 @@ struct workqueue_struct *system_wq __read_mostly;
struct workqueue_struct *system_long_wq __read_mostly;
struct workqueue_struct *system_nrt_wq __read_mostly;
struct workqueue_struct *system_unbound_wq __read_mostly;
+struct workqueue_struct *system_freezeable_wq __read_mostly;
EXPORT_SYMBOL_GPL(system_wq);
EXPORT_SYMBOL_GPL(system_long_wq);
EXPORT_SYMBOL_GPL(system_nrt_wq);
EXPORT_SYMBOL_GPL(system_unbound_wq);
+EXPORT_SYMBOL_GPL(system_freezeable_wq);
#define CREATE_TRACE_POINTS
#include <trace/events/workqueue.h>
@@ -3764,8 +3766,10 @@ static int __init init_workqueues(void)
system_nrt_wq = alloc_workqueue("events_nrt", WQ_NON_REENTRANT, 0);
system_unbound_wq = alloc_workqueue("events_unbound", WQ_UNBOUND,
WQ_UNBOUND_MAX_ACTIVE);
+ system_freezeable_wq = alloc_workqueue("events_freezeable",
+ WQ_FREEZEABLE, 0);
BUG_ON(!system_wq || !system_long_wq || !system_nrt_wq ||
- !system_unbound_wq);
+ !system_unbound_wq || !system_freezeable_wq);
return 0;
}
early_initcall(init_workqueues);