linux-kernel - [PATCH -next 1/2] md/md-bitmap: remove unnecessary local variable in backlog

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Message-Id: <20230706083727.608914-2-yukuai1@huaweicloud.com>
Date:   Thu,  6 Jul 2023 16:37:26 +0800
From:   Yu Kuai <yukuai1@...weicloud.com>
To:     song@...nel.org, guoqing.jiang@...ux.dev, neilb@...e.com
Cc:     linux-raid@...r.kernel.org, linux-kernel@...r.kernel.org,
        yukuai3@...wei.com, yukuai1@...weicloud.com, yi.zhang@...wei.com,
        yangerkun@...wei.com
Subject: [PATCH -next 1/2] md/md-bitmap: remove unnecessary local variable in backlog_store()

From: Yu Kuai <yukuai3@...wei.com>

Local variable is definied first in the beginning of backlog_store(),
there is no need to define it again.

Fixes: 8c13ab115b57 ("md/bitmap: don't set max_write_behind if there is no write mostly device")
Signed-off-by: Yu Kuai <yukuai3@...wei.com>
---
 drivers/md/md-bitmap.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/md/md-bitmap.c b/drivers/md/md-bitmap.c
index a58a4c30265e..1f3339961159 100644
--- a/drivers/md/md-bitmap.c
+++ b/drivers/md/md-bitmap.c
@@ -2569,8 +2569,6 @@ backlog_store(struct mddev *mddev, const char *buf, size_t len)
 			mddev_destroy_serial_pool(mddev, NULL, false);
 	} else if (backlog && !mddev->serial_info_pool) {
 		/* serial_info_pool is needed since backlog is not zero */
-		struct md_rdev *rdev;
-
 		rdev_for_each(rdev, mddev)
 			mddev_create_serial_pool(mddev, rdev, false);
 	}
-- 
2.39.2