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ext4: use DEFINE_MUTEX() for mutex lock

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mutex lock can be initialized automatically with DEFINE_MUTEX()
rather than explicitly calling mutex_init().

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Link: https://lore.kernel.org/r/20201224132244.30907-1-zhengyongjun3@huawei.com
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
This commit is contained in:
Zheng Yongjun 2020-12-24 21:22:44 +08:00 committed by Theodore Ts'o
parent 1048ba83fb
commit 59ebc7fd74
1 changed files with 1 additions and 2 deletions
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3
fs/ext4/super.c
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@ -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 *,
@ -6667,7 +6667,6 @@ 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();