17 static inline struct mount *next_peer(struct mount *p)  in next_peer()
19 	return list_entry(p->mnt_share.next, struct mount, mnt_share);  in next_peer()
22 static inline struct mount *first_slave(struct mount *p)  in first_slave()
24 	return hlist_entry(p->mnt_slave_list.first, struct mount, mnt_slave);  in first_slave()
27 static inline struct mount *next_slave(struct mount *p)  in next_slave()
29 	return hlist_entry(p->mnt_slave.next, struct mount, mnt_slave);  in next_slave()
33 static struct mount *get_peer_under_root(struct mount *mnt,  in get_peer_under_root()
37 	struct mount *m = mnt;  in get_peer_under_root()
56 int get_dominating_id(struct mount *mnt, const struct path *root)  in get_dominating_id()
58 	struct mount *m;  in get_dominating_id()
61 		struct mount *d = get_peer_under_root(m, mnt->mnt_ns, root);  in get_dominating_id()
69 static inline bool will_be_unmounted(struct mount *m)  in will_be_unmounted()
74 static void transfer_propagation(struct mount *mnt, struct mount *to)  in transfer_propagation()
77 	struct mount *m;  in transfer_propagation()
93 void change_mnt_propagation(struct mount *mnt, int type)  in change_mnt_propagation()
95 	struct mount *m = mnt->mnt_master;  in change_mnt_propagation()
126 static struct mount *trace_transfers(struct mount *m)  in trace_transfers()
129 		struct mount *next = next_peer(m);  in trace_transfers()
152 static void set_destinations(struct mount *m, struct mount *master)  in set_destinations()
154 	struct mount *next;  in set_destinations()
164 	struct mount *m;  in bulk_make_private()
177 static struct mount *__propagation_next(struct mount *m,  in __propagation_next()
178 					 struct mount *origin)  in __propagation_next()
181 		struct mount *master = m->mnt_master;  in __propagation_next()
184 			struct mount *next = next_peer(m);  in __propagation_next()
204 static struct mount *propagation_next(struct mount *m,  in propagation_next()
205 					 struct mount *origin)  in propagation_next()
214 static struct mount *skip_propagation_subtree(struct mount *m,  in skip_propagation_subtree()
215 						struct mount *origin)  in skip_propagation_subtree()
220 	struct mount *p = __propagation_next(m, origin);  in skip_propagation_subtree()
228 static struct mount *next_group(struct mount *m, struct mount *origin)  in next_group()
232 			struct mount *next;  in next_group()
245 			struct mount *master = m->mnt_master;  in next_group()
260 static bool need_secondary(struct mount *m, struct mountpoint *dest_mp)  in need_secondary()
274 static struct mount *find_master(struct mount *m,  in find_master()
275 				struct mount *last_copy,  in find_master()
276 				struct mount *original)  in find_master()
278 	struct mount *p;  in find_master()
288 		struct mount *parent = last_copy->mnt_parent;  in find_master()
311 int propagate_mnt(struct mount *dest_mnt, struct mountpoint *dest_mp,  in propagate_mnt()
312 		  struct mount *source_mnt, struct hlist_head *tree_list)  in propagate_mnt()
314 	struct mount *m, *n, *copy, *this;  in propagate_mnt()
371 static inline int do_refcount_check(struct mount *mnt, int count)  in do_refcount_check()
395 bool propagation_would_overmount(const struct mount *from,  in propagation_would_overmount()
396 				 const struct mount *to,  in propagation_would_overmount()
405 	for (const struct mount *m = to; m; m = m->mnt_master) {  in propagation_would_overmount()
423 int propagate_mount_busy(struct mount *mnt, int refcnt)  in propagate_mount_busy()
425 	struct mount *parent = mnt->mnt_parent;  in propagate_mount_busy()
438 	for (struct mount *m = propagation_next(parent, parent); m;  in propagate_mount_busy()
441 		struct mount *child = __lookup_mnt(&m->mnt, mnt->mnt_mountpoint);  in propagate_mount_busy()
466 void propagate_mount_unlock(struct mount *mnt)  in propagate_mount_unlock()
468 	struct mount *parent = mnt->mnt_parent;  in propagate_mount_unlock()
469 	struct mount *m, *child;  in propagate_mount_unlock()
481 static inline bool is_candidate(struct mount *m)  in is_candidate()
486 static void umount_one(struct mount *m, struct list_head *to_umount)  in umount_one()
494 static void remove_from_candidate_list(struct mount *m)  in remove_from_candidate_list()
503 	struct mount *m, *p, *q;  in gather_candidates()
512 			struct mount *child = __lookup_mnt(&q->mnt,  in gather_candidates()
542 static void trim_ancestors(struct mount *m)  in trim_ancestors()
544 	struct mount *p;  in trim_ancestors()
565 static void trim_one(struct mount *m, struct list_head *to_umount)  in trim_one()
568 	struct mount *n;  in trim_one()
597 static void handle_locked(struct mount *m, struct list_head *to_umount)  in handle_locked()
599 	struct mount *cutoff = m, *p;  in handle_locked()
631 static void reparent(struct mount *m)  in reparent()
633 	struct mount *p = m;  in reparent()
660 	struct mount *m, *p;  in propagate_umount()
673 		m = list_first_entry(&candidates,struct mount, mnt_list);  in propagate_umount()
680 		struct mount *over = m->overmount;  in propagate_umount()