100 static int mnt_alloc_id(struct mount *mnt)  in mnt_alloc_id()
117 static void mnt_free_id(struct mount *mnt)  in mnt_free_id()
132 static int mnt_alloc_group_id(struct mount *mnt)  in mnt_alloc_group_id()
151 void mnt_release_group_id(struct mount *mnt)  in mnt_release_group_id()
163 static inline void mnt_add_count(struct mount *mnt, int n)  in mnt_add_count()
177 unsigned int mnt_get_count(struct mount *mnt)  in mnt_get_count()
195 	struct mount *m = container_of(p, struct mount, mnt_umount);  in drop_mountpoint()
201 static struct mount *alloc_vfsmnt(const char *name)  in alloc_vfsmnt()
203 	struct mount *mnt = kmem_cache_zalloc(mnt_cache, GFP_KERNEL);  in alloc_vfsmnt()
284 static inline void mnt_inc_writers(struct mount *mnt)  in mnt_inc_writers()
293 static inline void mnt_dec_writers(struct mount *mnt)  in mnt_dec_writers()
302 static unsigned int mnt_get_writers(struct mount *mnt)  in mnt_get_writers()
345 	struct mount *mnt = real_mount(m);  in __mnt_want_write()
493 static int mnt_make_readonly(struct mount *mnt)  in mnt_make_readonly()
535 static void __mnt_unmake_readonly(struct mount *mnt)  in __mnt_unmake_readonly()
544 	struct mount *mnt;  in sb_prepare_remount_readonly()
578 static void free_vfsmnt(struct mount *mnt)  in free_vfsmnt()
589 	free_vfsmnt(container_of(head, struct mount, mnt_rcu));  in delayed_free_vfsmnt()
595 	struct mount *mnt;  in legitimize_mnt()
618 struct mount *__lookup_mnt(struct vfsmount *mnt, struct dentry *dentry)  in __lookup_mnt()
621 	struct mount *p;  in __lookup_mnt()
633 struct mount *__lookup_mnt_last(struct vfsmount *mnt, struct dentry *dentry)  in __lookup_mnt_last()
635 	struct mount *p, *res = NULL;  in __lookup_mnt_last()
669 	struct mount *child_mnt;  in lookup_mnt()
701 	struct mount *mnt;  in __is_local_mountpoint()
771 static inline int check_mnt(struct mount *mnt)  in check_mnt()
801 static void unhash_mnt(struct mount *mnt)  in unhash_mnt()
815 static void detach_mnt(struct mount *mnt, struct path *old_path)  in detach_mnt()
825 static void umount_mnt(struct mount *mnt)  in umount_mnt()
835 void mnt_set_mountpoint(struct mount *mnt,  in mnt_set_mountpoint()
837 			struct mount *child_mnt)  in mnt_set_mountpoint()
850 static void attach_mnt(struct mount *mnt,  in attach_mnt()
851 			struct mount *parent,  in attach_mnt()
859 static void attach_shadowed(struct mount *mnt,  in attach_shadowed()
860 			struct mount *parent,  in attach_shadowed()
861 			struct mount *shadows)  in attach_shadowed()
876 static void commit_tree(struct mount *mnt, struct mount *shadows)  in commit_tree()
878 	struct mount *parent = mnt->mnt_parent;  in commit_tree()
879 	struct mount *m;  in commit_tree()
895 static struct mount *next_mnt(struct mount *p, struct mount *root)  in next_mnt()
908 	return list_entry(next, struct mount, mnt_child);  in next_mnt()
911 static struct mount *skip_mnt_tree(struct mount *p)  in skip_mnt_tree()
915 		p = list_entry(prev, struct mount, mnt_child);  in skip_mnt_tree()
924 	struct mount *mnt;  in vfs_kern_mount()
955 static struct mount *clone_mnt(struct mount *old, struct dentry *root,  in clone_mnt()
959 	struct mount *mnt;  in clone_mnt()
1039 static void cleanup_mnt(struct mount *mnt)  in cleanup_mnt()
1063 	cleanup_mnt(container_of(head, struct mount, mnt_rcu));  in __cleanup_mnt()
1074 		cleanup_mnt(llist_entry(node, struct mount, mnt_llist));  in delayed_mntput()
1079 static void mntput_no_expire(struct mount *mnt)  in mntput_no_expire()
1104 		struct mount *p, *tmp;  in mntput_no_expire()
1128 		struct mount *m = real_mount(mnt);  in mntput()
1147 	struct mount *p;  in mnt_clone_internal()
1254 	struct mount *r = list_entry(v, struct mount, mnt_list);  in m_show()
1276 	struct mount *mnt = real_mount(m);  in may_umount_tree()
1279 	struct mount *p;  in may_umount_tree()
1354 static bool disconnect_mount(struct mount *mnt, enum umount_tree_flags how)  in disconnect_mount()
1387 static void umount_tree(struct mount *mnt, enum umount_tree_flags how)  in umount_tree()
1390 	struct mount *p;  in umount_tree()
1412 		p = list_first_entry(&tmp_list, struct mount, mnt_list);  in umount_tree()
1437 static void shrink_submounts(struct mount *mnt);
1439 static int do_umount(struct mount *mnt, int flags)  in do_umount()
1546 	struct mount *mnt;  in __detach_mounts()
1555 		mnt = hlist_entry(mp->m_list.first, struct mount, mnt_mp_list);  in __detach_mounts()
1587 	struct mount *mnt;  in SYSCALL_DEFINE2()
1661 struct mount *copy_tree(struct mount *mnt, struct dentry *dentry,  in copy_tree()
1664 	struct mount *res, *p, *q, *r, *parent;  in copy_tree()
1680 		struct mount *s;  in copy_tree()
1685 			struct mount *t = NULL;  in copy_tree()
1710 					struct mount, mnt_child);  in copy_tree()
1732 	struct mount *tree;  in collect_mounts()
1765 	struct mount *old_mnt = real_mount(path->mnt);  in clone_private_mount()
1766 	struct mount *new_mnt;  in clone_private_mount()
1784 	struct mount *mnt;  in iterate_mounts()
1796 static void cleanup_group_ids(struct mount *mnt, struct mount *end)  in cleanup_group_ids()
1798 	struct mount *p;  in cleanup_group_ids()
1806 static int invent_group_ids(struct mount *mnt, bool recurse)  in invent_group_ids()
1808 	struct mount *p;  in invent_group_ids()
1886 static int attach_recursive_mnt(struct mount *source_mnt,  in attach_recursive_mnt()
1887 			struct mount *dest_mnt,  in attach_recursive_mnt()
1892 	struct mount *child, *p;  in attach_recursive_mnt()
1919 		struct mount *q;  in attach_recursive_mnt()
1931 		child = hlist_entry(tree_list.first, struct mount, mnt_hash);  in attach_recursive_mnt()
1979 static int graft_tree(struct mount *mnt, struct mount *p, struct mountpoint *mp)  in graft_tree()
2013 	struct mount *m;  in do_change_type()
2014 	struct mount *mnt = real_mount(path->mnt);  in do_change_type()
2043 static bool has_locked_children(struct mount *mnt, struct dentry *dentry)  in has_locked_children()
2045 	struct mount *child;  in has_locked_children()
2063 	struct mount *mnt = NULL, *old, *parent;  in do_loopback()
2149 	struct mount *mnt = real_mount(path->mnt);  in do_remount()
2212 static inline int tree_contains_unbindable(struct mount *mnt)  in tree_contains_unbindable()
2214 	struct mount *p;  in tree_contains_unbindable()
2225 	struct mount *p;  in do_move_mount()
2226 	struct mount *old;  in do_move_mount()
2318 static int do_add_mount(struct mount *newmnt, struct path *path, int mnt_flags)  in do_add_mount()
2321 	struct mount *parent;  in do_add_mount()
2417 	struct mount *mnt = real_mount(m);  in finish_automount()
2467 	struct mount *mnt, *next;  in mark_mounts_for_expiry()
2489 		mnt = list_first_entry(&graveyard, struct mount, mnt_expire);  in mark_mounts_for_expiry()
2505 static int select_submounts(struct mount *parent, struct list_head *graveyard)  in select_submounts()
2507 	struct mount *this_parent = parent;  in select_submounts()
2516 		struct mount *mnt = list_entry(tmp, struct mount, mnt_child);  in select_submounts()
2551 static void shrink_submounts(struct mount *mnt)  in shrink_submounts()
2554 	struct mount *m;  in shrink_submounts()
2559 			m = list_first_entry(&graveyard, struct mount,  in shrink_submounts()
2768 	struct mount *p, *q;  in copy_mnt_ns()
2769 	struct mount *old;  in copy_mnt_ns()
2770 	struct mount *new;  in copy_mnt_ns()
2844 		struct mount *mnt = real_mount(m);  in create_mnt_ns()
2884 SYSCALL_DEFINE5(mount, char __user *, dev_name, char __user *, dir_name,  in SYSCALL_DEFINE5()  argument
2923 bool is_path_reachable(struct mount *mnt, struct dentry *dentry,  in is_path_reachable()
2972 	struct mount *new_mnt, *root_mnt, *old_mnt;  in SYSCALL_DEFINE2()
3101 	mnt_cache = kmem_cache_create("mnt_cache", sizeof(struct mount),  in mnt_init()
3203 	struct mount *mnt;  in fs_fully_visible()
3211 		struct mount *child;  in fs_fully_visible()