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workqueue: make queueing functions return bool

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All queueing functions return 1 on success, 0 if the work item was
already pending.  Update them to return bool instead.  This signifies
better that they don't return 0 / -errno.

This is cleanup and doesn't cause any functional difference.

While at it, fix comment opening for schedule_work_on().

Signed-off-by: Tejun Heo <tj@kernel.org>
This commit is contained in:
Tejun Heo
2012-08-03 10:30:44 -07:00
parent 0a13c00e9d
commit d4283e9378
2 changed files with 33 additions and 34 deletions
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20
include/linux/workqueue.h
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@@ -365,24 +365,24 @@ __alloc_workqueue_key(const char *fmt, unsigned int flags, int max_active,
extern void destroy_workqueue(struct workqueue_struct *wq);
extern int queue_work_on(int cpu, struct workqueue_struct *wq,
extern bool queue_work_on(int cpu, struct workqueue_struct *wq,
struct work_struct *work);
extern int queue_work(struct workqueue_struct *wq, struct work_struct *work);
extern int queue_delayed_work_on(int cpu, struct workqueue_struct *wq,
extern bool queue_work(struct workqueue_struct *wq, struct work_struct *work);
extern bool queue_delayed_work_on(int cpu, struct workqueue_struct *wq,
struct delayed_work *work, unsigned long delay);
extern int queue_delayed_work(struct workqueue_struct *wq,
extern bool queue_delayed_work(struct workqueue_struct *wq,
struct delayed_work *work, unsigned long delay);
extern void flush_workqueue(struct workqueue_struct *wq);
extern void drain_workqueue(struct workqueue_struct *wq);
extern void flush_scheduled_work(void);
extern int schedule_work_on(int cpu, struct work_struct *work);
extern int schedule_work(struct work_struct *work);
extern int schedule_delayed_work_on(int cpu, struct delayed_work *work,
unsigned long delay);
extern int schedule_delayed_work(struct delayed_work *work,
unsigned long delay);
extern bool schedule_work_on(int cpu, struct work_struct *work);
extern bool schedule_work(struct work_struct *work);
extern bool schedule_delayed_work_on(int cpu, struct delayed_work *work,
unsigned long delay);
extern bool schedule_delayed_work(struct delayed_work *work,
unsigned long delay);
extern int schedule_on_each_cpu(work_func_t func);
extern int keventd_up(void);