fsnotify: count all objects with attached connectors

[linux-2.6-microblaze.git] / fs / notify / fsnotify.h

diff --git a/fs/notify/fsnotify.h b/fs/notify/fsnotify.h
index ff2063e..87d8a50 100644 (file)
--- a/fs/notify/fsnotify.h
+++ b/fs/notify/fsnotify.h
@@ -27,6 +27,21 @@ static inline struct super_block *fsnotify_conn_sb(
        return container_of(conn->obj, struct super_block, s_fsnotify_marks);
 }
 
+static inline struct super_block *fsnotify_connector_sb(
+                               struct fsnotify_mark_connector *conn)
+{
+       switch (conn->type) {
+       case FSNOTIFY_OBJ_TYPE_INODE:
+               return fsnotify_conn_inode(conn)->i_sb;
+       case FSNOTIFY_OBJ_TYPE_VFSMOUNT:
+               return fsnotify_conn_mount(conn)->mnt.mnt_sb;
+       case FSNOTIFY_OBJ_TYPE_SB:
+               return fsnotify_conn_sb(conn);
+       default:
+               return NULL;
+       }
+}
+
 /* destroy all events sitting in this groups notification queue */
 extern void fsnotify_flush_notify(struct fsnotify_group *group);