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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-14 18:16:42 +0200 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-10-14 18:16:42 +0200 |
commit | 43046b606673c9c991919ff75b980b72541e9ede (patch) | |
tree | 86e89561891ed7833bd8229c2d06734aede63fec /kernel | |
parent | Make flush_to_ldisc properly handle parallel calls (diff) | |
download | linux-43046b606673c9c991919ff75b980b72541e9ede.tar.xz linux-43046b606673c9c991919ff75b980b72541e9ede.zip |
workqueue: add 'flush_delayed_work()' to run and wait for delayed work
It basically turns a delayed work into an immediate work, and then waits
for it to finish.
Diffstat (limited to 'kernel')
-rw-r--r-- | kernel/workqueue.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c index addfe2df93b1..ccefe574dcf7 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -640,6 +640,24 @@ int schedule_delayed_work(struct delayed_work *dwork, EXPORT_SYMBOL(schedule_delayed_work); /** + * flush_delayed_work - block until a dwork_struct's callback has terminated + * @dwork: the delayed work which is to be flushed + * + * Any timeout is cancelled, and any pending work is run immediately. + */ +void flush_delayed_work(struct delayed_work *dwork) +{ + if (del_timer(&dwork->timer)) { + struct cpu_workqueue_struct *cwq; + cwq = wq_per_cpu(keventd_wq, get_cpu()); + __queue_work(cwq, &dwork->work); + put_cpu(); + } + flush_work(&dwork->work); +} +EXPORT_SYMBOL(flush_delayed_work); + +/** * schedule_delayed_work_on - queue work in global workqueue on CPU after delay * @cpu: cpu to use * @dwork: job to be done |