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author | Takashi Iwai <tiwai@suse.de> | 2018-03-12 17:30:38 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2018-03-12 17:30:38 +0100 |
commit | db45dc9540ea4864bb9d22eed30d3e70ed5d56d4 (patch) | |
tree | c611d75097036ff464e9af31aa729e34c863ec93 /kernel/workqueue.c | |
parent | 40088dc4e1ead7df31728c73f5b51d71da18831d (diff) | |
parent | a3e39ed1f40e14f24bec0f91c4fa0408fb6c4d02 (diff) |
Merge tag 'asoc-fix-v4.16-rc5' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Fixes for v4.16
This is a fairly standard collection of fixes, there's no changes to the
core here just a bunch of small device specific changes for single
drivers plus an update to the MAINTAINERS file for the sgl5000.
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 |