[DLM] init rwsem earlier

The nodeinfo_lock rwsem needs to be initialized when the module is loaded
instead of when the dlm is first used.

Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

1 files changed, 3 insertions, 4 deletions

diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c
index 75010da95b39..7ab40422ab57 100644
--- a/fs/dlm/lowcomms.c
+++ b/fs/dlm/lowcomms.c
@@ -1190,10 +1190,6 @@ int dlm_lowcomms_start(void)
 {
         int error;
 
-        spin_lock_init(&write_nodes_lock);
-        INIT_LIST_HEAD(&write_nodes);
-        init_rwsem(&nodeinfo_lock);
-
         error = init_sock();
         if (error)
                 goto fail_sock;
@@ -1224,6 +1220,9 @@ void dlm_lowcomms_stop(void)
 int dlm_lowcomms_init(void)
 {
         init_waitqueue_head(&lowcomms_recv_wait);
+        spin_lock_init(&write_nodes_lock);
+        INIT_LIST_HEAD(&write_nodes);
+        init_rwsem(&nodeinfo_lock);
         return 0;
 }