477 	mntget(path->mnt);  in path_get()
491 	mntput(path->mnt);  in path_put()
572 	struct vfsmount *mnt = path->mnt;  in path_connected()  local
575 	if (mnt->mnt_root == mnt->mnt_sb->s_root)  in path_connected()
578 	return is_subdir(path->dentry, mnt->mnt_root);  in path_connected()
611 		if (nd->root.mnt && !(nd->flags & LOOKUP_ROOT)) {  in terminate_walk()
613 			nd->root.mnt = NULL;  in terminate_walk()
618 			nd->root.mnt = NULL;  in terminate_walk()
628 	int res = __legitimize_mnt(path->mnt, nd->m_seq);  in legitimize_path()
631 			path->mnt = NULL;  in legitimize_path()
689 	if (unlikely(!legitimize_mnt(nd->path.mnt, nd->m_seq)))  in unlazy_walk()
720 	if (nd->root.mnt && !(nd->flags & LOOKUP_ROOT)) {  in unlazy_walk()
736 	nd->path.mnt = NULL;  in unlazy_walk()
743 		nd->root.mnt = NULL;  in unlazy_walk()
753 		nd->path.mnt = NULL;  in unlazy_link()
756 			nd->root.mnt = NULL;  in unlazy_link()
787 			nd->root.mnt = NULL;  in complete_walk()
828 	if (path->mnt != nd->path.mnt)  in path_put_conditional()
829 		mntput(path->mnt);  in path_put_conditional()
837 		if (nd->path.mnt != path->mnt)  in path_to_nameidata()
838 			mntput(nd->path.mnt);  in path_to_nameidata()
840 	nd->path.mnt = path->mnt;  in path_to_nameidata()
1020 			if (!nd->root.mnt)  in get_link()
1029 			if (!nd->root.mnt)  in get_link()
1057 	struct mount *mnt = real_mount(path->mnt);  in follow_up()  local
1062 	parent = mnt->mnt_parent;  in follow_up()
1063 	if (parent == mnt) {  in follow_up()
1067 	mntget(&parent->mnt);  in follow_up()
1068 	mountpoint = dget(mnt->mnt_mountpoint);  in follow_up()
1072 	mntput(path->mnt);  in follow_up()
1073 	path->mnt = &parent->mnt;  in follow_up()
1086 	struct vfsmount *mnt;  in follow_automount()  local
1112 	mnt = path->dentry->d_op->d_automount(path);  in follow_automount()
1113 	if (IS_ERR(mnt)) {  in follow_automount()
1123 		if (PTR_ERR(mnt) == -EISDIR && (nd->flags & LOOKUP_PARENT))  in follow_automount()
1125 		return PTR_ERR(mnt);  in follow_automount()
1128 	if (!mnt) /* mount collision */  in follow_automount()
1133 		mntget(path->mnt);  in follow_automount()
1136 	err = finish_automount(mnt, path);  in follow_automount()
1144 		path->mnt = mnt;  in follow_automount()
1145 		path->dentry = dget(mnt->mnt_root);  in follow_automount()
1165 	struct vfsmount *mnt = path->mnt; /* held by caller, must be left alone */  in follow_managed()  local
1192 					mntput(path->mnt);  in follow_managed()
1193 				path->mnt = mounted;  in follow_managed()
1217 	if (need_mntput && path->mnt == mnt)  in follow_managed()
1218 		mntput(path->mnt);  in follow_managed()
1235 		mntput(path->mnt);  in follow_down_one()
1236 		path->mnt = mounted;  in follow_down_one()
1276 		mounted = __lookup_mnt(path->mnt, path->dentry);  in __follow_mount_rcu()
1279 		path->mnt = &mounted->mnt;  in __follow_mount_rcu()
1280 		path->dentry = mounted->mnt.mnt_root;  in __follow_mount_rcu()
1297 	if (!nd->root.mnt)  in follow_dotdot_rcu()
1303 		if (nd->path.dentry != nd->path.mnt->mnt_root) {  in follow_dotdot_rcu()
1318 			struct mount *mnt = real_mount(nd->path.mnt);  in follow_dotdot_rcu()  local
1319 			struct mount *mparent = mnt->mnt_parent;  in follow_dotdot_rcu()
1320 			struct dentry *mountpoint = mnt->mnt_mountpoint;  in follow_dotdot_rcu()
1325 			if (&mparent->mnt == nd->path.mnt)  in follow_dotdot_rcu()
1329 			nd->path.mnt = &mparent->mnt;  in follow_dotdot_rcu()
1336 		mounted = __lookup_mnt(nd->path.mnt, nd->path.dentry);  in follow_dotdot_rcu()
1341 		nd->path.mnt = &mounted->mnt;  in follow_dotdot_rcu()
1342 		nd->path.dentry = mounted->mnt.mnt_root;  in follow_dotdot_rcu()
1387 			mntput(path->mnt);  in follow_down()
1388 			path->mnt = mounted;  in follow_down()
1410 		mntput(path->mnt);  in follow_mount()
1411 		path->mnt = mounted;  in follow_mount()
1418 	if (!nd->root.mnt)  in follow_dotdot()
1425 		    nd->path.mnt == nd->root.mnt) {  in follow_dotdot()
1428 		if (nd->path.dentry != nd->path.mnt->mnt_root) {  in follow_dotdot()
1532 	struct vfsmount *mnt = nd->path.mnt;  in lookup_fast()  local
1584 		path->mnt = mnt;  in lookup_fast()
1614 	path->mnt = mnt;  in lookup_fast()
1638 	path->mnt = nd->path.mnt;  in lookup_slow()
1676 		if (link->mnt == nd->path.mnt)  in pick_link()
1677 			mntget(link->mnt);  in pick_link()
2027 	nd->root.mnt = NULL;  in path_init()
2091 		nd->root.mnt = NULL;  in path_init()
2146 		nd->path.mnt = NULL;  in path_lookupat()
2191 		nd->path.mnt = NULL;  in path_parentat()
2267 int vfs_path_lookup(struct dentry *dentry, struct vfsmount *mnt,  in vfs_path_lookup()  argument
2271 	struct path root = {.mnt = mnt, .dentry = dentry};  in vfs_path_lookup()
2434 	path->mnt = nd->path.mnt;  in mountpoint_last()
2439 	mntget(path->mnt);  in mountpoint_last()
2693 		if (path->mnt->mnt_flags & MNT_NODEV)  in may_open()
2851 	file->f_path.mnt = nd->path.mnt;  in atomic_open()
2916 	path->mnt = nd->path.mnt;  in atomic_open()
2998 	path->mnt = nd->path.mnt;  in lookup_open()
3020 	struct path save_parent = { .dentry = NULL, .mnt = NULL };  in do_last()
3066 		error = mnt_want_write(nd->path.mnt);  in do_last()
3112 		mnt_drop_write(nd->path.mnt);  in do_last()
3140 	if ((nd->flags & LOOKUP_RCU) || nd->path.mnt != path.mnt) {  in do_last()
3144 		save_parent.mnt = mntget(path.mnt);  in do_last()
3172 		error = mnt_want_write(nd->path.mnt);  in do_last()
3210 		mnt_drop_write(nd->path.mnt);  in do_last()
3227 	save_parent.mnt = NULL;  in do_last()
3230 		mnt_drop_write(nd->path.mnt);  in do_last()
3248 	error = mnt_want_write(path.mnt);  in do_tmpfile()
3275 	file->f_path.mnt = path.mnt;  in do_tmpfile()
3289 	mnt_drop_write(path.mnt);  in do_tmpfile()
3363 struct file *do_file_open_root(struct dentry *dentry, struct vfsmount *mnt,  in do_file_open_root()  argument
3371 	nd.root.mnt = mnt;  in do_file_open_root()
3420 	err2 = mnt_want_write(path->mnt);  in filename_create()
3456 		mnt_drop_write(path->mnt);  in filename_create()
3475 	mnt_drop_write(path->mnt);  in done_path_create()
3726 	error = mnt_want_write(path.mnt);  in do_rmdir()
3747 	mnt_drop_write(path.mnt);  in do_rmdir()
3848 	error = mnt_want_write(path.mnt);  in do_unlinkat()
3879 	mnt_drop_write(path.mnt);  in do_unlinkat()
4091 	if (old_path.mnt != new_path.mnt)  in SYSCALL_DEFINE5()
4356 	if (old_path.mnt != new_path.mnt)  in SYSCALL_DEFINE5()
4368 	error = mnt_want_write(old_path.mnt);  in SYSCALL_DEFINE5()
4437 	mnt_drop_write(old_path.mnt);  in SYSCALL_DEFINE5()