namespace.c: Don't reinvent the wheel but use existing llist API

Although llist provides proper APIs, they are not used. Make them used.

Signed-off-by: Byungchul Park <byungchul.park@lge.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/fs/namespace.c b/fs/namespace.c
index f8893dc..ce82a5b 100644 (file)
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -1124,12 +1124,10 @@ static LLIST_HEAD(delayed_mntput_list);
 static void delayed_mntput(struct work_struct *unused)
 {
        struct llist_node *node = llist_del_all(&delayed_mntput_list);
-       struct llist_node *next;
+       struct mount *m, *t;
 
-       for (; node; node = next) {
-               next = llist_next(node);
-               cleanup_mnt(llist_entry(node, struct mount, mnt_llist));
-       }
+       llist_for_each_entry_safe(m, t, node, mnt_llist)
+               cleanup_mnt(m);
 }
 static DECLARE_DELAYED_WORK(delayed_mntput_work, delayed_mntput);