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Subject[PATCH] completion: introduce complete_put() helper function
Date
There are many cases where it is necessary to decrease refcount and test,
then called complete(). So introduce complete_put() helper function.

Signed-off-by: Yajun Deng <yajun.deng@linux.dev>
---
kernel/sched/completion.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/kernel/sched/completion.c b/kernel/sched/completion.c
index a778554f9dad..dcb737f1edc2 100644
--- a/kernel/sched/completion.c
+++ b/kernel/sched/completion.c
@@ -38,6 +38,13 @@ void complete(struct completion *x)
}
EXPORT_SYMBOL(complete);

+void complete_put(refcount_t *r, struct completion *x)
+{
+ if (refcount_dec_and_test(r))
+ complete(x);
+}
+EXPORT_SYMBOL(complete_put);
+
/**
* complete_all: - signals all threads waiting on this completion
* @x: holds the state of this particular completion
--
2.32.0
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