1 #include <linux/fs.h> 2 3 struct fs_pin { 4 atomic_long_t count; 5 union { 6 struct { 7 struct hlist_node s_list; 8 struct hlist_node m_list; 9 }; 10 struct rcu_head rcu; 11 }; 12 void (*kill)(struct fs_pin *); 13 }; 14 15 void pin_put(struct fs_pin *); 16 void pin_remove(struct fs_pin *); 17 void pin_insert(struct fs_pin *, struct vfsmount *); 18