From: Zheng Yongjun <zhengyongjun3@huawei.com>
To: <tytso@mit.edu>, <adilger.kernel@dilger.ca>,
<linux-ext4@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Cc: Zheng Yongjun <zhengyongjun3@huawei.com>
Subject: [PATCH v2 -next] ext4: use DEFINE_MUTEX() for mutex lock
Date: Thu, 24 Dec 2020 21:22:44 +0800 [thread overview]
Message-ID: <20201224132244.30907-1-zhengyongjun3@huawei.com> (raw)
mutex lock can be initialized automatically with DEFINE_MUTEX()
rather than explicitly calling mutex_init().
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.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
next reply other threads:[~2020-12-24 13:23 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-12-24 13:22 Zheng Yongjun [this message]
2021-02-03 4:17 ` [PATCH v2 -next] ext4: use DEFINE_MUTEX() for mutex lock Theodore Ts'o
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