/*
* vfsmount lock must be held for write
*/
-static void detach_mnt(struct mount *mnt, struct path *old_path)
+static void unhash_mnt(struct mount *mnt)
{
- old_path->dentry = mnt->mnt_mountpoint;
- old_path->mnt = &mnt->mnt_parent->mnt;
mnt->mnt_parent = mnt;
mnt->mnt_mountpoint = mnt->mnt.mnt_root;
list_del_init(&mnt->mnt_child);
mnt->mnt_mp = NULL;
}
+/*
+ * vfsmount lock must be held for write
+ */
+static void detach_mnt(struct mount *mnt, struct path *old_path)
+{
+ old_path->dentry = mnt->mnt_mountpoint;
+ old_path->mnt = &mnt->mnt_parent->mnt;
+ unhash_mnt(mnt);
+}
+
/*
* vfsmount lock must be held for write
*/
pin_insert_group(&p->mnt_umount, &p->mnt_parent->mnt, &unmounted);
if (mnt_has_parent(p)) {
- hlist_del_init(&p->mnt_mp_list);
- put_mountpoint(p->mnt_mp);
mnt_add_count(p->mnt_parent, -1);
/* old mountpoint will be dropped when we can do that */
p->mnt_ex_mountpoint = p->mnt_mountpoint;
- p->mnt_mountpoint = p->mnt.mnt_root;
- p->mnt_parent = p;
- p->mnt_mp = NULL;
- hlist_del_init_rcu(&p->mnt_hash);
+ unhash_mnt(p);
}
change_mnt_propagation(p, MS_PRIVATE);
}