1#include <linux/wait.h> 2 3struct fs_pin { 4 wait_queue_head_t wait; 5 int done; 6 struct hlist_node s_list; 7 struct hlist_node m_list; 8 void (*kill)(struct fs_pin *); 9}; 10 11struct vfsmount; 12 13static inline void init_fs_pin(struct fs_pin *p, void (*kill)(struct fs_pin *)) 14{ 15 init_waitqueue_head(&p->wait); 16 INIT_HLIST_NODE(&p->s_list); 17 INIT_HLIST_NODE(&p->m_list); 18 p->kill = kill; 19} 20 21void pin_remove(struct fs_pin *); 22void pin_insert_group(struct fs_pin *, struct vfsmount *, struct hlist_head *); 23void pin_insert(struct fs_pin *, struct vfsmount *); 24void pin_kill(struct fs_pin *); 25