[PATCH] sched: completion: Reinterpret the meaning of completion_done()

From: Wang Qing
Date: Tue Mar 16 2021 - 03:32:25 EST


The most intuitive meaning of completion_done() is to see if a completion has
been done, done=0 can only indicate that someone may be waiting.

Signed-off-by: Wang Qing <wangqing@xxxxxxxx>
---
kernel/sched/completion.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/completion.c b/kernel/sched/completion.c
index a778554f9dad..c8ea7575cc41
--- a/kernel/sched/completion.c
+++ b/kernel/sched/completion.c
@@ -304,10 +304,10 @@ bool try_wait_for_completion(struct completion *x)
EXPORT_SYMBOL(try_wait_for_completion);

/**
- * completion_done - Test to see if a completion has any waiters
+ * completion_done - Test to see if a completion has been done
* @x: completion structure
*
- * Return: 0 if there are waiters (wait_for_completion() in progress)
+ * Return: 0 if there may be waiters (wait_for_completion() in progress)
* 1 if there are no waiters.
*
* Note, this will always return true if complete_all() was called on @X.
--
2.27.0