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Diffstat (limited to 'fs/dlm/lockspace.c')
-rw-r--r--fs/dlm/lockspace.c21
1 files changed, 10 insertions, 11 deletions
diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
index fee4659b6582..d2ff505d51cd 100644
--- a/fs/dlm/lockspace.c
+++ b/fs/dlm/lockspace.c
@@ -31,7 +31,7 @@ static inline void dlm_delete_debug_file(struct dlm_ls *ls) { }
#endif
static int ls_count;
-static struct semaphore ls_lock;
+static struct mutex ls_lock;
static struct list_head lslist;
static spinlock_t lslist_lock;
static struct task_struct * scand_task;
@@ -177,7 +177,7 @@ int dlm_lockspace_init(void)
int error;
ls_count = 0;
- init_MUTEX(&ls_lock);
+ mutex_init(&ls_lock);
INIT_LIST_HEAD(&lslist);
spin_lock_init(&lslist_lock);
@@ -351,10 +351,9 @@ static int new_lockspace(char *name, int namelen, void **lockspace,
return -EEXIST;
}
- ls = kmalloc(sizeof(struct dlm_ls) + namelen, GFP_KERNEL);
+ ls = kzalloc(sizeof(struct dlm_ls) + namelen, GFP_KERNEL);
if (!ls)
goto out;
- memset(ls, 0, sizeof(struct dlm_ls) + namelen);
memcpy(ls->ls_name, name, namelen);
ls->ls_namelen = namelen;
ls->ls_exflags = flags;
@@ -398,7 +397,7 @@ static int new_lockspace(char *name, int namelen, void **lockspace,
}
INIT_LIST_HEAD(&ls->ls_waiters);
- init_MUTEX(&ls->ls_waiters_sem);
+ mutex_init(&ls->ls_waiters_mutex);
INIT_LIST_HEAD(&ls->ls_nodes);
INIT_LIST_HEAD(&ls->ls_nodes_gone);
@@ -416,14 +415,14 @@ static int new_lockspace(char *name, int namelen, void **lockspace,
ls->ls_uevent_result = 0;
ls->ls_recoverd_task = NULL;
- init_MUTEX(&ls->ls_recoverd_active);
+ mutex_init(&ls->ls_recoverd_active);
spin_lock_init(&ls->ls_recover_lock);
ls->ls_recover_status = 0;
ls->ls_recover_seq = 0;
ls->ls_recover_args = NULL;
init_rwsem(&ls->ls_in_recovery);
INIT_LIST_HEAD(&ls->ls_requestqueue);
- init_MUTEX(&ls->ls_requestqueue_lock);
+ mutex_init(&ls->ls_requestqueue_mutex);
ls->ls_recover_buf = kmalloc(dlm_config.buffer_size, GFP_KERNEL);
if (!ls->ls_recover_buf)
@@ -493,7 +492,7 @@ int dlm_new_lockspace(char *name, int namelen, void **lockspace,
{
int error = 0;
- down(&ls_lock);
+ mutex_lock(&ls_lock);
if (!ls_count)
error = threads_start();
if (error)
@@ -503,7 +502,7 @@ int dlm_new_lockspace(char *name, int namelen, void **lockspace,
if (!error)
ls_count++;
out:
- up(&ls_lock);
+ mutex_unlock(&ls_lock);
return error;
}
@@ -629,11 +628,11 @@ static int release_lockspace(struct dlm_ls *ls, int force)
kobject_unregister(&ls->ls_kobj);
kfree(ls);
- down(&ls_lock);
+ mutex_lock(&ls_lock);
ls_count--;
if (!ls_count)
threads_stop();
- up(&ls_lock);
+ mutex_unlock(&ls_lock);
module_put(THIS_MODULE);
return 0;