/* SPDX-License-Identifier: GPL-2.0 */ #include <linux/wait.h> struct fs_pin { wait_queue_head_t wait; int done; struct hlist_node s_list; struct hlist_node m_list; void (*kill)(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); INIT_HLIST_NODE(&p->s_list); INIT_HLIST_NODE(&p->m_list); p->kill = kill; } void pin_remove(struct fs_pin *); void pin_insert(struct fs_pin *, struct vfsmount *); void pin_kill(struct fs_pin *);