1 files changed, 15 insertions, 10 deletions

diff --git a/include/linux/fs_pin.h b/include/linux/fs_pin.h
index f66525e72ccf..9dc4e0384bfb 100644
--- a/include/linux/fs_pin.h
+++ b/include/linux/fs_pin.h
@@ -1,17 +1,22 @@
-#include <linux/fs.h>
+#include <linux/wait.h>
 
 struct fs_pin {
-        atomic_long_t           count;
-        union {
-                struct {
-                        struct hlist_node       s_list;
-                        struct hlist_node       m_list;
-                };
-                struct rcu_head rcu;
-        };
+        wait_queue_head_t       wait;
+        int                     done;
+        struct hlist_node       s_list;
+        struct hlist_node       m_list;
         void (*kill)(struct fs_pin *);
 };
 
-void pin_put(struct fs_pin *);
+struct vfsmount;
+
+static inline void init_fs_pin(struct fs_pin *p, void (*kill)(struct fs_pin *))
+{
+        init_waitqueue_head(&p->wait);
+        p->kill = kill;
+}
+
 void pin_remove(struct fs_pin *);
+void pin_insert_group(struct fs_pin *, struct vfsmount *, struct hlist_head *);
 void pin_insert(struct fs_pin *, struct vfsmount *);
+void pin_kill(struct fs_pin *);