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authorAndrey Grodzovsky <andrey.grodzovsky@amd.com>2022-05-19 16:47:28 +0300
committerAlex Deucher <alexander.deucher@amd.com>2022-06-10 22:24:38 +0300
commit73b4b53276a1d6290cd4f47dbbc885b6e6e59ac6 (patch)
tree23edcf964467c716e757febdab0e0e45614ce6e5
parent4c59b571fce6cedefc1c8e5158f7548f05c05ed6 (diff)
downloadlinux-73b4b53276a1d6290cd4f47dbbc885b6e6e59ac6.tar.xz
Revert "workqueue: remove unused cancel_work()"
This reverts commit 6417250d3f894e66a68ba1cd93676143f2376a6f. 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>
-rw-r--r--include/linux/workqueue.h1
-rw-r--r--kernel/workqueue.c9
2 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/workqueue.h b/include/linux/workqueue.h
index 7fee9b6cfede..9e41e1226193 100644
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@@ -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);
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 0d2514b4ff0d..20d226d5bbc2 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -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