diff options
| author |   Takashi Iwai <tiwai@suse.de> | 2018-03-19 16:59:34 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2018-03-19 17:00:01 +0100 |
| commit | 4654eba8cbb3fcf48c6fc24fbaffa0623d9faea2 (patch) | |
| tree | 0b3056c04bda1988a3705f315680224387d5a68b /kernel/workqueue.c | |
| parent | ALSA: pcm: Use krealloc() for resizing the rules array (diff) | |
| parent | ALSA: usb-audio: Fix parsing descriptor of UAC2 processing unit (diff) | |
| download | wireguard-linux-4654eba8cbb3fcf48c6fc24fbaffa0623d9faea2.tar.xz wireguard-linux-4654eba8cbb3fcf48c6fc24fbaffa0623d9faea2.zip | |
Merge branch 'for-linus' into for-next
Back-merge of for-linus branch for applying the further UAC3 patches.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to '')
| -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 |