Re: [PATCH -next] dlm: use DEFINE_MUTEX() for mutex lock

[weiyongjun (A)]

两个标题一样的可以合并

在 2021/4/9 17:51, Ye Bin 写道:

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

Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: Ye Bin <yebi...@huawei.com>
---
  fs/dlm/lockspace.c | 3 +--
  1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
index c14cf2b7faab..fa3ae801aa43 100644
--- a/fs/dlm/lockspace.c
+++ b/fs/dlm/lockspace.c
@@ -26,7 +26,7 @@
  #include "ast.h"

static int ls_count;

-static struct mutex            ls_lock;
+static DEFINE_MUTEX(ls_lock);
  static struct list_head               lslist;
  static spinlock_t             lslist_lock;
  static struct task_struct *   scand_task;
@@ -231,7 +231,6 @@ static const struct kset_uevent_ops dlm_uevent_ops = {
  int __init dlm_lockspace_init(void)
  {
        ls_count = 0;
-       mutex_init(&ls_lock);
        INIT_LIST_HEAD(&lslist);
        spin_lock_init(&lslist_lock);