105 static int mnt_alloc_id(struct mount *mnt)  in mnt_alloc_id()
115 static void mnt_free_id(struct mount *mnt)  in mnt_free_id()
123 static int mnt_alloc_group_id(struct mount *mnt)  in mnt_alloc_group_id()
136 void mnt_release_group_id(struct mount *mnt)  in mnt_release_group_id()
145 static inline void mnt_add_count(struct mount *mnt, int n)  in mnt_add_count()
159 int mnt_get_count(struct mount *mnt)  in mnt_get_count()
175 static struct mount *alloc_vfsmnt(const char *name)  in alloc_vfsmnt()
177 	struct mount *mnt = kmem_cache_zalloc(mnt_cache, GFP_KERNEL);  in alloc_vfsmnt()
253 static inline void mnt_inc_writers(struct mount *mnt)  in mnt_inc_writers()
262 static inline void mnt_dec_writers(struct mount *mnt)  in mnt_dec_writers()
271 static unsigned int mnt_get_writers(struct mount *mnt)  in mnt_get_writers()
314 	struct mount *mnt = real_mount(m);  in __mnt_want_write()
463 static int mnt_make_readonly(struct mount *mnt)  in mnt_make_readonly()
505 static int __mnt_unmake_readonly(struct mount *mnt)  in __mnt_unmake_readonly()
515 	struct mount *mnt;  in sb_prepare_remount_readonly()
549 static void free_vfsmnt(struct mount *mnt)  in free_vfsmnt()
561 	free_vfsmnt(container_of(head, struct mount, mnt_rcu));  in delayed_free_vfsmnt()
567 	struct mount *mnt;  in __legitimize_mnt()
610 struct mount *__lookup_mnt(struct vfsmount *mnt, struct dentry *dentry)  in __lookup_mnt()
613 	struct mount *p;  in __lookup_mnt()
639 	struct mount *child_mnt;  in lookup_mnt()
671 	struct mount *mnt;  in __is_local_mountpoint()
776 static inline int check_mnt(struct mount *mnt)  in check_mnt()
806 static struct mountpoint *unhash_mnt(struct mount *mnt)  in unhash_mnt()
822 static void umount_mnt(struct mount *mnt)  in umount_mnt()
830 void mnt_set_mountpoint(struct mount *mnt,  in mnt_set_mountpoint()
832 			struct mount *child_mnt)  in mnt_set_mountpoint()
842 static void __attach_mnt(struct mount *mnt, struct mount *parent)  in __attach_mnt()
852 static void attach_mnt(struct mount *mnt,  in attach_mnt()
853 			struct mount *parent,  in attach_mnt()
860 void mnt_change_mountpoint(struct mount *parent, struct mountpoint *mp, struct mount *mnt)  in mnt_change_mountpoint()
863 	struct mount *old_parent = mnt->mnt_parent;  in mnt_change_mountpoint()
878 static void commit_tree(struct mount *mnt)  in commit_tree()
880 	struct mount *parent = mnt->mnt_parent;  in commit_tree()
881 	struct mount *m;  in commit_tree()
900 static struct mount *next_mnt(struct mount *p, struct mount *root)  in next_mnt()
913 	return list_entry(next, struct mount, mnt_child);  in next_mnt()
916 static struct mount *skip_mnt_tree(struct mount *p)  in skip_mnt_tree()
920 		p = list_entry(prev, struct mount, mnt_child);  in skip_mnt_tree()
937 	struct mount *mnt;  in vfs_create_mount()
1030 static struct mount *clone_mnt(struct mount *old, struct dentry *root,  in clone_mnt()
1034 	struct mount *mnt;  in clone_mnt()
1104 static void cleanup_mnt(struct mount *mnt)  in cleanup_mnt()
1107 	struct mount *m;  in cleanup_mnt()
1131 	cleanup_mnt(container_of(head, struct mount, mnt_rcu));  in __cleanup_mnt()
1138 	struct mount *m, *t;  in delayed_mntput()
1145 static void mntput_no_expire(struct mount *mnt)  in mntput_no_expire()
1190 		struct mount *p, *tmp;  in mntput_no_expire()
1216 		struct mount *m = real_mount(mnt);  in mntput()
1264 	struct mount *p;  in mnt_clone_internal()
1312 	struct mount *r = list_entry(v, struct mount, mnt_list);  in m_show()
1334 	struct mount *mnt = real_mount(m);  in may_umount_tree()
1337 	struct mount *p;  in may_umount_tree()
1387 	struct mount *m;  in namespace_unlock()
1419 static bool disconnect_mount(struct mount *mnt, enum umount_tree_flags how)  in disconnect_mount()
1452 static void umount_tree(struct mount *mnt, enum umount_tree_flags how)  in umount_tree()
1455 	struct mount *p;  in umount_tree()
1478 		p = list_first_entry(&tmp_list, struct mount, mnt_list);  in umount_tree()
1506 static void shrink_submounts(struct mount *mnt);
1531 static int do_umount(struct mount *mnt, int flags)  in do_umount()
1640 	struct mount *mnt;  in __detach_mounts()
1650 		mnt = hlist_entry(mp->m_list.first, struct mount, mnt_mp_list);  in __detach_mounts()
1699 	struct mount *mnt;  in ksys_umount()
1778 struct mount *copy_tree(struct mount *mnt, struct dentry *dentry,  in copy_tree()
1781 	struct mount *res, *p, *q, *r, *parent;  in copy_tree()
1797 		struct mount *s;  in copy_tree()
1847 	struct mount *tree;  in collect_mounts()
1890 static bool has_locked_children(struct mount *mnt, struct dentry *dentry)  in has_locked_children()
1892 	struct mount *child;  in has_locked_children()
1915 	struct mount *old_mnt = real_mount(path->mnt);  in clone_private_mount()
1916 	struct mount *new_mnt;  in clone_private_mount()
1945 	struct mount *mnt;  in iterate_mounts()
1957 static void lock_mnt_tree(struct mount *mnt)  in lock_mnt_tree()
1959 	struct mount *p;  in lock_mnt_tree()
1984 static void cleanup_group_ids(struct mount *mnt, struct mount *end)  in cleanup_group_ids()
1986 	struct mount *p;  in cleanup_group_ids()
1994 static int invent_group_ids(struct mount *mnt, bool recurse)  in invent_group_ids()
1996 	struct mount *p;  in invent_group_ids()
2011 int count_mounts(struct mnt_namespace *ns, struct mount *mnt)  in count_mounts()
2015 	struct mount *p;  in count_mounts()
2096 static int attach_recursive_mnt(struct mount *source_mnt,  in attach_recursive_mnt()
2097 			struct mount *dest_mnt,  in attach_recursive_mnt()
2105 	struct mount *child, *p;  in attach_recursive_mnt()
2150 		struct mount *q;  in attach_recursive_mnt()
2169 		child = hlist_entry(tree_list.first, struct mount, mnt_hash);  in attach_recursive_mnt()
2226 static int graft_tree(struct mount *mnt, struct mount *p, struct mountpoint *mp)  in graft_tree()
2260 	struct mount *m;  in do_change_type()
2261 	struct mount *mnt = real_mount(path->mnt);  in do_change_type()
2290 static struct mount *__do_loopback(struct path *old_path, int recurse)  in __do_loopback()
2292 	struct mount *mnt = ERR_PTR(-EINVAL), *old = real_mount(old_path->mnt);  in __do_loopback()
2321 	struct mount *mnt = NULL, *parent;  in do_loopback()
2367 	struct mount *mnt, *p;  in open_detached_copy()
2459 static bool can_change_locked_flags(struct mount *mnt, unsigned int mnt_flags)  in can_change_locked_flags()
2486 static int change_mount_ro_state(struct mount *mnt, unsigned int mnt_flags)  in change_mount_ro_state()
2503 static void set_mount_attributes(struct mount *mnt, unsigned int mnt_flags)  in set_mount_attributes()
2542 	struct mount *mnt = real_mount(path->mnt);  in do_reconfigure_mnt()
2575 	struct mount *mnt = real_mount(path->mnt);  in do_remount()
2617 static inline int tree_contains_unbindable(struct mount *mnt)  in tree_contains_unbindable()
2619 	struct mount *p;  in tree_contains_unbindable()
2633 static bool check_for_nsfs_mounts(struct mount *subtree)  in check_for_nsfs_mounts()
2635 	struct mount *p;  in check_for_nsfs_mounts()
2652 	struct mount *p;  in do_move_mount()
2653 	struct mount *old;  in do_move_mount()
2654 	struct mount *parent;  in do_move_mount()
2751 static int do_add_mount(struct mount *newmnt, struct path *path, int mnt_flags)  in do_add_mount()
2754 	struct mount *parent;  in do_add_mount()
2883 	struct mount *mnt = real_mount(m);  in finish_automount()
2933 	struct mount *mnt, *next;  in mark_mounts_for_expiry()
2955 		mnt = list_first_entry(&graveyard, struct mount, mnt_expire);  in mark_mounts_for_expiry()
2971 static int select_submounts(struct mount *parent, struct list_head *graveyard)  in select_submounts()
2973 	struct mount *this_parent = parent;  in select_submounts()
2982 		struct mount *mnt = list_entry(tmp, struct mount, mnt_child);  in select_submounts()
3017 static void shrink_submounts(struct mount *mnt)  in shrink_submounts()
3020 	struct mount *m;  in shrink_submounts()
3025 			m = list_first_entry(&graveyard, struct mount,  in shrink_submounts()
3268 	struct mount *p, *q;  in copy_mnt_ns()
3269 	struct mount *old;  in copy_mnt_ns()
3270 	struct mount *new;  in copy_mnt_ns()
3344 	struct mount *mnt = real_mount(m);  in mount_subtree()
3413 SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name,  in SYSCALL_DEFINE5()  argument
3430 	struct mount *mnt;  in SYSCALL_DEFINE3()
3622 bool is_path_reachable(struct mount *mnt, struct dentry *dentry,  in is_path_reachable()
3671 	struct mount *new_mnt, *root_mnt, *old_mnt, *root_parent, *ex_parent;  in SYSCALL_DEFINE2()
3769 	struct mount *m;  in init_mount_tree()
3800 	mnt_cache = kmem_cache_create("mnt_cache", sizeof(struct mount),  in mnt_init()
3899 	struct mount *mnt;  in mnt_already_visible()
3904 		struct mount *child;  in mnt_already_visible()