linux-ext4 - [PATCH -next] ext4: use DEFINE_MUTEX (and mutex

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Message-ID: <20201223141254.559-1-zhengyongjun3@huawei.com>
Date:   Wed, 23 Dec 2020 22:12:54 +0800
From:   Zheng Yongjun <zhengyongjun3@...wei.com>
To:     <tytso@....edu>, <adilger.kernel@...ger.ca>,
        <linux-ext4@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     Zheng Yongjun <zhengyongjun3@...wei.com>
Subject: [PATCH -next] ext4: use DEFINE_MUTEX (and mutex_init() had been too late)

Signed-off-by: Zheng Yongjun <zhengyongjun3@...wei.com>
---
 fs/ext4/super.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 94472044f4c1..8776f06a639d 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -59,7 +59,7 @@
 #include <trace/events/ext4.h>
 
 static struct ext4_lazy_init *ext4_li_info;
-static struct mutex ext4_li_mtx;
+static DEFINE_MUTEX(ext4_li_mtx);
 static struct ratelimit_state ext4_mount_msg_ratelimit;
 
 static int ext4_load_journal(struct super_block *, struct ext4_super_block *,
@@ -6640,7 +6640,6 @@ static int __init ext4_init_fs(void)
 
 	ratelimit_state_init(&ext4_mount_msg_ratelimit, 30 * HZ, 64);
 	ext4_li_info = NULL;
-	mutex_init(&ext4_li_mtx);
 
 	/* Build-time check for flags consistency */
 	ext4_check_flag_values();
-- 
2.22.0