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yaml
---
r: 288464
b: refs/heads/master
c: 62d3c54
h: refs/heads/master
v: v3
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Alan Stern authored and Jens Axboe committed Mar 2, 2012
1 parent 06f90c3 commit 8bb80f5
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Showing 4 changed files with 16 additions and 7 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: cecd353a02fb1405c8a72a324b26b5acf97e7411
refs/heads/master: 62d3c5439c534b0e6c653fc63e6d8c67be3a57b1
10 changes: 5 additions & 5 deletions trunk/block/genhd.c
Original file line number Diff line number Diff line change
Expand Up @@ -1478,9 +1478,9 @@ static void __disk_unblock_events(struct gendisk *disk, bool check_now)
intv = disk_events_poll_jiffies(disk);
set_timer_slack(&ev->dwork.timer, intv / 4);
if (check_now)
queue_delayed_work(system_nrt_wq, &ev->dwork, 0);
queue_delayed_work(system_nrt_freezable_wq, &ev->dwork, 0);
else if (intv)
queue_delayed_work(system_nrt_wq, &ev->dwork, intv);
queue_delayed_work(system_nrt_freezable_wq, &ev->dwork, intv);
out_unlock:
spin_unlock_irqrestore(&ev->lock, flags);
}
Expand Down Expand Up @@ -1524,7 +1524,7 @@ void disk_flush_events(struct gendisk *disk, unsigned int mask)
ev->clearing |= mask;
if (!ev->block) {
cancel_delayed_work(&ev->dwork);
queue_delayed_work(system_nrt_wq, &ev->dwork, 0);
queue_delayed_work(system_nrt_freezable_wq, &ev->dwork, 0);
}
spin_unlock_irq(&ev->lock);
}
Expand Down Expand Up @@ -1561,7 +1561,7 @@ unsigned int disk_clear_events(struct gendisk *disk, unsigned int mask)

/* uncondtionally schedule event check and wait for it to finish */
disk_block_events(disk);
queue_delayed_work(system_nrt_wq, &ev->dwork, 0);
queue_delayed_work(system_nrt_freezable_wq, &ev->dwork, 0);
flush_delayed_work(&ev->dwork);
__disk_unblock_events(disk, false);

Expand Down Expand Up @@ -1598,7 +1598,7 @@ static void disk_events_workfn(struct work_struct *work)

intv = disk_events_poll_jiffies(disk);
if (!ev->block && intv)
queue_delayed_work(system_nrt_wq, &ev->dwork, intv);
queue_delayed_work(system_nrt_freezable_wq, &ev->dwork, intv);

spin_unlock_irq(&ev->lock);

Expand Down
4 changes: 4 additions & 0 deletions trunk/include/linux/workqueue.h
Original file line number Diff line number Diff line change
Expand Up @@ -289,12 +289,16 @@ enum {
*
* system_freezable_wq is equivalent to system_wq except that it's
* freezable.
*
* system_nrt_freezable_wq is equivalent to system_nrt_wq except that
* it's freezable.
*/
extern struct workqueue_struct *system_wq;
extern struct workqueue_struct *system_long_wq;
extern struct workqueue_struct *system_nrt_wq;
extern struct workqueue_struct *system_unbound_wq;
extern struct workqueue_struct *system_freezable_wq;
extern struct workqueue_struct *system_nrt_freezable_wq;

extern struct workqueue_struct *
__alloc_workqueue_key(const char *fmt, unsigned int flags, int max_active,
Expand Down
7 changes: 6 additions & 1 deletion trunk/kernel/workqueue.c
Original file line number Diff line number Diff line change
Expand Up @@ -253,11 +253,13 @@ 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_freezable_wq __read_mostly;
struct workqueue_struct *system_nrt_freezable_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_freezable_wq);
EXPORT_SYMBOL_GPL(system_nrt_freezable_wq);

#define CREATE_TRACE_POINTS
#include <trace/events/workqueue.h>
Expand Down Expand Up @@ -3833,8 +3835,11 @@ static int __init init_workqueues(void)
WQ_UNBOUND_MAX_ACTIVE);
system_freezable_wq = alloc_workqueue("events_freezable",
WQ_FREEZABLE, 0);
system_nrt_freezable_wq = alloc_workqueue("events_nrt_freezable",
WQ_NON_REENTRANT | WQ_FREEZABLE, 0);
BUG_ON(!system_wq || !system_long_wq || !system_nrt_wq ||
!system_unbound_wq || !system_freezable_wq);
!system_unbound_wq || !system_freezable_wq ||
!system_nrt_freezable_wq);
return 0;
}
early_initcall(init_workqueues);

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