* [PATCH v2 -next] dlm: debug_fs: use DEFINE_MUTEX() for mutex lock
@ 2020-12-24 12:29 Zheng Yongjun
0 siblings, 0 replies; only message in thread
From: Zheng Yongjun @ 2020-12-24 12:29 UTC (permalink / raw)
To: cluster-devel, linux-kernel; +Cc: ccaulfie, teigland, Zheng Yongjun
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
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