Lines Matching refs:mount
9 #include <linux/mount.h>
12 #include <uapi/linux/mount.h>
16 /* return the next shared peer mount of @p */
17 static inline struct mount *next_peer(struct mount *p)
19 return list_entry(p->mnt_share.next, struct mount, mnt_share);
22 static inline struct mount *first_slave(struct mount *p)
24 return list_entry(p->mnt_slave_list.next, struct mount, mnt_slave);
27 static inline struct mount *last_slave(struct mount *p)
29 return list_entry(p->mnt_slave_list.prev, struct mount, mnt_slave);
32 static inline struct mount *next_slave(struct mount *p)
34 return list_entry(p->mnt_slave.next, struct mount, mnt_slave);
37 static struct mount *get_peer_under_root(struct mount *mnt,
41 struct mount *m = mnt;
60 int get_dominating_id(struct mount *mnt, const struct path *root)
62 struct mount *m;
65 struct mount *d = get_peer_under_root(m, mnt->mnt_ns, root);
73 static int do_make_slave(struct mount *mnt)
75 struct mount *master, *slave_mnt;
87 struct mount, mnt_slave);
94 struct mount *m;
96 * slave 'mnt' to a peer mount that has the
122 void change_mnt_propagation(struct mount *mnt, int type)
140 * get the next mount in the propagation tree.
141 * @m: the mount seen last
142 * @origin: the original mount from where the tree walk initiated
149 static struct mount *propagation_next(struct mount *m,
150 struct mount *origin)
152 /* are there any slaves of this mount? */
157 struct mount *master = m->mnt_master;
160 struct mount *next = next_peer(m);
170 static struct mount *skip_propagation_subtree(struct mount *m,
171 struct mount *origin)
183 static struct mount *next_group(struct mount *m, struct mount *origin)
187 struct mount *next;
200 struct mount *master = m->mnt_master;
216 static struct mount *last_dest, *first_source, *last_source, *dest_master;
220 static inline bool peers(struct mount *m1, struct mount *m2)
225 static int propagate_one(struct mount *m)
227 struct mount *child;
238 struct mount *n, *p;
246 struct mount *parent = last_source->mnt_parent;
276 * mount 'source_mnt' under the destination 'dest_mnt' at
277 * dentry 'dest_dentry'. And propagate that mount to
283 * @dest_mnt: destination mount.
285 * @source_mnt: source mount.
288 int propagate_mnt(struct mount *dest_mnt, struct mountpoint *dest_mp,
289 struct mount *source_mnt, struct hlist_head *tree_list)
291 struct mount *m, *n;
336 static struct mount *find_topper(struct mount *mnt)
338 /* If there is exactly one mount covering mnt completely return it. */
339 struct mount *child;
344 child = list_first_entry(&mnt->mnt_mounts, struct mount, mnt_child);
354 static inline int do_refcount_check(struct mount *mnt, int count)
360 * check if the mount 'mnt' can be unmounted successfully.
361 * @mnt: the mount to be checked for unmount
369 int propagate_mount_busy(struct mount *mnt, int refcnt)
371 struct mount *m, *child, *topper;
372 struct mount *parent = mnt->mnt_parent;
378 * quickly check if the current mount can be unmounted.
392 /* Is there exactly one mount on the child that covers
412 void propagate_mount_unlock(struct mount *mnt)
414 struct mount *parent = mnt->mnt_parent;
415 struct mount *m, *child;
427 static void umount_one(struct mount *mnt, struct list_head *to_umount)
440 static bool __propagate_umount(struct mount *mnt,
445 struct mount *child;
448 * The state of the parent won't change if this mount is
470 /* If a mount is without children and not locked umount it. */
484 struct mount *mnt, *child, *tmp;
500 struct mount *mnt, *parent;
503 mnt = list_first_entry(to_restore, struct mount, mnt_umounting);
507 /* Should this mount be reparented? */
522 struct mount *mnt =
523 list_first_entry(visited, struct mount, mnt_umounting);
529 * collect all mounts that receive propagation from the mount in @list,
537 struct mount *mnt;
544 struct mount *parent = mnt->mnt_parent;
545 struct mount *m;
548 * If this mount has already been visited it is known that it's
559 struct mount *child = __lookup_mnt(&m->mnt,
577 * mount in list that has not been visited yet.