[PATCH 6/9] fsnotify: use DEFINE_SRCU() for srcu_struct

[Lai Jiangshan <laijs@cn.fujitsu.com>]

DEFINE_STATIC_SRCU() defines srcu struct and do init at build time.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Eric Paris <eparis@parisplace.org>
---
 fs/notify/fsnotify.c |    6 ------
 fs/notify/mark.c     |    2 +-
 2 files changed, 1 insertions(+), 7 deletions(-)

diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c
index 4bb21d6..aba962a 100644
--- a/fs/notify/fsnotify.c
+++ b/fs/notify/fsnotify.c
@@ -298,14 +298,8 @@ EXPORT_SYMBOL_GPL(fsnotify);
 
 static __init int fsnotify_init(void)
 {
-	int ret;
-
 	BUG_ON(hweight32(ALL_FSNOTIFY_EVENTS) != 23);
 
-	ret = init_srcu_struct(&fsnotify_mark_srcu);
-	if (ret)
-		panic("initializing fsnotify_mark_srcu");
-
 	return 0;
 }
 core_initcall(fsnotify_init);
diff --git a/fs/notify/mark.c b/fs/notify/mark.c
index fc6b49b..aeededc 100644
--- a/fs/notify/mark.c
+++ b/fs/notify/mark.c
@@ -97,7 +97,7 @@
 #include <linux/fsnotify_backend.h>
 #include "fsnotify.h"
 
-struct srcu_struct fsnotify_mark_srcu;
+DEFINE_SRCU(fsnotify_mark_srcu);
 static DEFINE_SPINLOCK(destroy_lock);
 static LIST_HEAD(destroy_list);
 static DECLARE_WAIT_QUEUE_HEAD(destroy_waitq);
-- 
1.7.4.4