From: Zheng Yongjun <zhengyongjun3@huawei.com>
To: <cluster-devel@redhat.com>, <linux-kernel@vger.kernel.org>
Cc: <ccaulfie@redhat.com>, <teigland@redhat.com>,
Zheng Yongjun <zhengyongjun3@huawei.com>
Subject: [PATCH v2 -next] dlm: debug_fs: use DEFINE_MUTEX() for mutex lock
Date: Thu, 24 Dec 2020 20:29:21 +0800 [thread overview]
Message-ID: <20201224122921.29343-1-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/dlm/debug_fs.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/fs/dlm/debug_fs.c b/fs/dlm/debug_fs.c
index d6bbccb0ed15..7a6fa8ac6f50 100644
--- a/fs/dlm/debug_fs.c
+++ b/fs/dlm/debug_fs.c
@@ -20,7 +20,7 @@
#define DLM_DEBUG_BUF_LEN 4096
static char debug_buf[DLM_DEBUG_BUF_LEN];
-static struct mutex debug_buf_lock;
+static DEFINE_MUTEX(debug_buf_lock);
static struct dentry *dlm_root;
@@ -794,7 +794,6 @@ void dlm_create_debug_file(struct dlm_ls *ls)
void __init dlm_register_debugfs(void)
{
- mutex_init(&debug_buf_lock);
dlm_root = debugfs_create_dir("dlm", NULL);
}
--
2.22.0
reply other threads:[~2020-12-24 12:29 UTC|newest]
Thread overview: [no followups] expand[flat|nested] mbox.gz Atom feed
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20201224122921.29343-1-zhengyongjun3@huawei.com \
--to=zhengyongjun3@huawei.com \
--cc=ccaulfie@redhat.com \
--cc=cluster-devel@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=teigland@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).