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Revert "workqueue: remove unused cancel_work()" 

This reverts commit 6417250d3f.

amdpgu need this function in order to prematurly stop pending
reset works when another reset work already in progress.

Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com>
Reviewed-by: Lai Jiangshan<jiangshanlai@gmail.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Andrey Grodzovsky 2022-05-19 09:47:28 -04:00 committed by Alex Deucher
parent 4c59b571fc
commit 73b4b53276
2 changed files with 10 additions and 0 deletions
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1
include/linux/workqueue.h
View File

@ -453,6 +453,7 @@ extern int schedule_on_each_cpu(work_func_t func);
int execute_in_process_context(work_func_t fn, struct execute_work *);
extern bool flush_work(struct work_struct *work);
extern bool cancel_work(struct work_struct *work);
extern bool cancel_work_sync(struct work_struct *work);
extern bool flush_delayed_work(struct delayed_work *dwork);

9
kernel/workqueue.c
View File

@ -3258,6 +3258,15 @@ static bool __cancel_work(struct work_struct *work, bool is_dwork)
return ret;
}
/*
* See cancel_delayed_work()
*/
bool cancel_work(struct work_struct *work)
{
return __cancel_work(work, false);
}
EXPORT_SYMBOL(cancel_work);
/**
* cancel_delayed_work - cancel a delayed work
* @dwork: delayed_work to cancel