linux-kernel - [PATCH] io_uring: Remove unused function

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Date: Thu, 28 Mar 2024 10:23:24 +0800
From: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To: axboe@...nel.dk
Cc: asml.silence@...il.com,
	io-uring@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
	Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH] io_uring: Remove unused function

The function are defined in the io_uring.c file, but not called
elsewhere, so delete the unused function.

io_uring/io_uring.c:646:20: warning: unused function '__io_cq_unlock'.

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=8660
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 io_uring/io_uring.c | 6 ------
 1 file changed, 6 deletions(-)

diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 585fbc363eaf..8a9584c5c8ce 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -643,12 +643,6 @@ static inline void __io_cq_lock(struct io_ring_ctx *ctx)
 		spin_lock(&ctx->completion_lock);
 }
 
-static inline void __io_cq_unlock(struct io_ring_ctx *ctx)
-{
-	if (!ctx->lockless_cq)
-		spin_unlock(&ctx->completion_lock);
-}
-
 static inline void io_cq_lock(struct io_ring_ctx *ctx)
 	__acquires(ctx->completion_lock)
 {
-- 
2.20.1.7.g153144c