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author | Thomas Gleixner <tglx@linutronix.de> | 2018-03-14 20:37:31 +0100 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2018-03-14 20:37:31 +0100 |
commit | b0d8bef8ed805ca92eb91e86acf3ce89cbebc8ce (patch) | |
tree | 8838391a76f0cf75ffcd31166996d03d19c580a6 /kernel/workqueue.c | |
parent | 82b691bedf05f258f1c86c96ee574b0d7795c0a1 (diff) | |
parent | fc6eabbbf8ef99efed778dd5afabc83c21dba585 (diff) |
Merge branch 'linus' into irq/core to pick up dependencies.
Diffstat (limited to 'kernel/workqueue.c')
-rw-r--r-- | kernel/workqueue.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 017044c26233..bb9a519cbf50 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -4180,6 +4180,22 @@ void workqueue_set_max_active(struct workqueue_struct *wq, int max_active) EXPORT_SYMBOL_GPL(workqueue_set_max_active); /** + * current_work - retrieve %current task's work struct + * + * Determine if %current task is a workqueue worker and what it's working on. + * Useful to find out the context that the %current task is running in. + * + * Return: work struct if %current task is a workqueue worker, %NULL otherwise. + */ +struct work_struct *current_work(void) +{ + struct worker *worker = current_wq_worker(); + + return worker ? worker->current_work : NULL; +} +EXPORT_SYMBOL(current_work); + +/** * current_is_workqueue_rescuer - is %current workqueue rescuer? * * Determine whether %current is a workqueue rescuer. Can be used from |