diff options
| -rw-r--r-- | fs/pnode.c | 23 |
1 files changed, 11 insertions, 12 deletions
diff --git a/fs/pnode.c b/fs/pnode.c index b3af55123a82..b887116f0041 100644 --- a/fs/pnode.c +++ b/fs/pnode.c @@ -253,21 +253,20 @@ static struct mount *find_master(struct mount *m, return last_copy; } -/* - * mount 'source_mnt' under the destination 'dest_mnt' at - * dentry 'dest_dentry'. And propagate that mount to - * all the peer and slave mounts of 'dest_mnt'. - * Link all the new mounts into a propagation tree headed at - * source_mnt. Also link all the new mounts using ->mnt_list - * headed at source_mnt's ->mnt_list +/** + * propagate_mnt() - create secondary copies for tree attachment + * @dest_mnt: destination mount. + * @dest_mp: destination mountpoint. + * @source_mnt: source mount. + * @tree_list: list of secondaries to be attached. * - * @dest_mnt: destination mount. - * @dest_dentry: destination dentry. - * @source_mnt: source mount. - * @tree_list : list of heads of trees to be attached. + * Create secondary copies for attaching a tree with root @source_mnt + * at mount @dest_mnt with mountpoint @dest_mp. Link all new mounts + * into a propagation graph. Set mountpoints for all secondaries, + * link their roots into @tree_list via ->mnt_hash. */ int propagate_mnt(struct mount *dest_mnt, struct mountpoint *dest_mp, - struct mount *source_mnt, struct hlist_head *tree_list) + struct mount *source_mnt, struct hlist_head *tree_list) { struct mount *m, *n, *copy, *this; int err = 0, type; |