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block: add kblockd_schedule_delayed_work_on()

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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>
This commit is contained in:
Jens Axboe
2014-04-08 09:17:40 -06:00
parent 59c3d45e48
commit 8ab14595b6
2 changed files with 8 additions and 0 deletions
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7
block/blk-core.c
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@@ -2917,6 +2917,13 @@ int kblockd_schedule_delayed_work(struct delayed_work *dwork,
} }
EXPORT_SYMBOL(kblockd_schedule_delayed_work); 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 #define PLUG_MAGIC 0x91827364
/** /**

1
include/linux/blkdev.h
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@@ -1361,6 +1361,7 @@ static inline void put_dev_sector(Sector p)
struct work_struct; struct work_struct;
int kblockd_schedule_work(struct work_struct *work); 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(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 #ifdef CONFIG_BLK_CGROUP
/* /*