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author | Ingo Molnar <mingo@kernel.org> | 2018-03-09 07:32:20 +0100 |
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committer | Ingo Molnar <mingo@kernel.org> | 2018-03-09 07:32:20 +0100 |
commit | fc4c5a3828bdba157f8ea406e1f4ceb75c13039c (patch) | |
tree | e3fc4601f914fa59e70c7534206cf5c2c6ba16d1 /kernel/workqueue.c | |
parent | 14a7405b2e814221a951bd7a76ce4a8d24c1b3be (diff) | |
parent | 1b88accf6a659c46d5c8e68912896f112bf882bb (diff) | |
download | linux-stable-fc4c5a3828bdba157f8ea406e1f4ceb75c13039c.tar.gz linux-stable-fc4c5a3828bdba157f8ea406e1f4ceb75c13039c.tar.bz2 linux-stable-fc4c5a3828bdba157f8ea406e1f4ceb75c13039c.zip |
Merge branch 'linus' into sched/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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 593dbe749174..f211a7bf0ca8 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 |