477 	mntget(path->mnt);  in path_get()
491 	mntput(path->mnt);  in path_put()
517 	struct vfsmount *mnt = path->mnt;  in path_connected()  local
520 	if (mnt->mnt_root == mnt->mnt_sb->s_root)  in path_connected()
523 	return is_subdir(path->dentry, mnt->mnt_root);  in path_connected()
562 	if (!legitimize_mnt(nd->path.mnt, nd->m_seq))  in unlazy_walk()
597 	if (nd->root.mnt && !(nd->flags & LOOKUP_ROOT)) {  in unlazy_walk()
599 		if (nd->root.mnt != fs->root.mnt || nd->root.dentry != fs->root.dentry)  in unlazy_walk()
618 		nd->root.mnt = NULL;  in unlazy_walk()
645 			nd->root.mnt = NULL;  in complete_walk()
647 		if (!legitimize_mnt(nd->path.mnt, nd->m_seq)) {  in complete_walk()
653 			mntput(nd->path.mnt);  in complete_walk()
659 			mntput(nd->path.mnt);  in complete_walk()
705 	if (path->mnt != nd->path.mnt)  in path_put_conditional()
706 		mntput(path->mnt);  in path_put_conditional()
714 		if (nd->path.mnt != path->mnt)  in path_to_nameidata()
715 			mntput(nd->path.mnt);  in path_to_nameidata()
717 	nd->path.mnt = path->mnt;  in path_to_nameidata()
879 	if (link->mnt == nd->path.mnt)  in follow_link()
880 		mntget(link->mnt);  in follow_link()
911 			if (!nd->root.mnt)  in follow_link()
935 	struct mount *mnt = real_mount(path->mnt);  in follow_up_rcu()  local
939 	parent = mnt->mnt_parent;  in follow_up_rcu()
940 	if (&parent->mnt == path->mnt)  in follow_up_rcu()
942 	mountpoint = mnt->mnt_mountpoint;  in follow_up_rcu()
944 	path->mnt = &parent->mnt;  in follow_up_rcu()
960 	struct mount *mnt = real_mount(path->mnt);  in follow_up()  local
965 	parent = mnt->mnt_parent;  in follow_up()
966 	if (parent == mnt) {  in follow_up()
970 	mntget(&parent->mnt);  in follow_up()
971 	mountpoint = dget(mnt->mnt_mountpoint);  in follow_up()
975 	mntput(path->mnt);  in follow_up()
976 	path->mnt = &parent->mnt;  in follow_up()
989 	struct vfsmount *mnt;  in follow_automount()  local
1015 	mnt = path->dentry->d_op->d_automount(path);  in follow_automount()
1016 	if (IS_ERR(mnt)) {  in follow_automount()
1026 		if (PTR_ERR(mnt) == -EISDIR && (flags & LOOKUP_PARENT))  in follow_automount()
1028 		return PTR_ERR(mnt);  in follow_automount()
1031 	if (!mnt) /* mount collision */  in follow_automount()
1036 		mntget(path->mnt);  in follow_automount()
1039 	err = finish_automount(mnt, path);  in follow_automount()
1047 		path->mnt = mnt;  in follow_automount()
1048 		path->dentry = dget(mnt->mnt_root);  in follow_automount()
1068 	struct vfsmount *mnt = path->mnt; /* held by caller, must be left alone */  in follow_managed()  local
1095 					mntput(path->mnt);  in follow_managed()
1096 				path->mnt = mounted;  in follow_managed()
1120 	if (need_mntput && path->mnt == mnt)  in follow_managed()
1121 		mntput(path->mnt);  in follow_managed()
1134 		mntput(path->mnt);  in follow_down_one()
1135 		path->mnt = mounted;  in follow_down_one()
1175 		mounted = __lookup_mnt(path->mnt, path->dentry);  in __follow_mount_rcu()
1178 		path->mnt = &mounted->mnt;  in __follow_mount_rcu()
1179 		path->dentry = mounted->mnt.mnt_root;  in __follow_mount_rcu()
1196 	if (!nd->root.mnt)  in follow_dotdot_rcu()
1201 		    nd->path.mnt == nd->root.mnt) {  in follow_dotdot_rcu()
1204 		if (nd->path.dentry != nd->path.mnt->mnt_root) {  in follow_dotdot_rcu()
1226 		mounted = __lookup_mnt(nd->path.mnt, nd->path.dentry);  in follow_dotdot_rcu()
1229 		nd->path.mnt = &mounted->mnt;  in follow_dotdot_rcu()
1230 		nd->path.dentry = mounted->mnt.mnt_root;  in follow_dotdot_rcu()
1242 		nd->root.mnt = NULL;  in follow_dotdot_rcu()
1284 			mntput(path->mnt);  in follow_down()
1285 			path->mnt = mounted;  in follow_down()
1307 		mntput(path->mnt);  in follow_mount()
1308 		path->mnt = mounted;  in follow_mount()
1315 	if (!nd->root.mnt)  in follow_dotdot()
1322 		    nd->path.mnt == nd->root.mnt) {  in follow_dotdot()
1325 		if (nd->path.dentry != nd->path.mnt->mnt_root) {  in follow_dotdot()
1430 	struct vfsmount *mnt = nd->path.mnt;  in lookup_fast()  local
1482 		path->mnt = mnt;  in lookup_fast()
1512 	path->mnt = mnt;  in lookup_fast()
1542 	path->mnt = nd->path.mnt;  in lookup_slow()
1585 			nd->root.mnt = NULL;  in terminate_walk()
1630 			if (unlikely(nd->path.mnt != path->mnt ||  in walk_component()
1923 	nd->root.mnt = NULL;  in path_init()
1985 		nd->root.mnt = NULL;  in path_init()
1995 	if (nd->root.mnt && !(nd->flags & LOOKUP_ROOT)) {  in path_cleanup()
1997 		nd->root.mnt = NULL;  in path_cleanup()
2137 int vfs_path_lookup(struct dentry *dentry, struct vfsmount *mnt,  in vfs_path_lookup()  argument
2150 		nd.root.mnt = mnt;  in vfs_path_lookup()
2357 	path->mnt = nd->path.mnt;  in mountpoint_last()
2360 	mntget(path->mnt);  in mountpoint_last()
2626 		if (path->mnt->mnt_flags & MNT_NODEV)  in may_open()
2784 	file->f_path.mnt = nd->path.mnt;  in atomic_open()
2849 	path->mnt = nd->path.mnt;  in atomic_open()
2931 	path->mnt = nd->path.mnt;  in lookup_open()
2953 	struct path save_parent = { .dentry = NULL, .mnt = NULL };  in do_last()
3001 		error = mnt_want_write(nd->path.mnt);  in do_last()
3047 		mnt_drop_write(nd->path.mnt);  in do_last()
3074 			if (unlikely(nd->path.mnt != path->mnt ||  in do_last()
3084 	if ((nd->flags & LOOKUP_RCU) || nd->path.mnt != path->mnt) {  in do_last()
3088 		save_parent.mnt = mntget(path->mnt);  in do_last()
3111 		error = mnt_want_write(nd->path.mnt);  in do_last()
3149 		mnt_drop_write(nd->path.mnt);  in do_last()
3170 	save_parent.mnt = NULL;  in do_last()
3173 		mnt_drop_write(nd->path.mnt);  in do_last()
3192 	error = mnt_want_write(nd->path.mnt);  in do_tmpfile()
3222 	file->f_path.mnt = nd->path.mnt;  in do_tmpfile()
3236 	mnt_drop_write(nd->path.mnt);  in do_tmpfile()
3320 struct file *do_file_open_root(struct dentry *dentry, struct vfsmount *mnt,  in do_file_open_root()  argument
3328 	nd.root.mnt = mnt;  in do_file_open_root()
3376 	err2 = mnt_want_write(nd.path.mnt);  in filename_create()
3411 		mnt_drop_write(nd.path.mnt);  in filename_create()
3435 	mnt_drop_write(path->mnt);  in done_path_create()
3690 	error = mnt_want_write(nd.path.mnt);  in do_rmdir()
3711 	mnt_drop_write(nd.path.mnt);  in do_rmdir()
3810 	error = mnt_want_write(nd.path.mnt);  in do_unlinkat()
3841 	mnt_drop_write(nd.path.mnt);  in do_unlinkat()
4053 	if (old_path.mnt != new_path.mnt)  in SYSCALL_DEFINE5()
4308 	if (oldnd.path.mnt != newnd.path.mnt)  in SYSCALL_DEFINE5()
4322 	error = mnt_want_write(oldnd.path.mnt);  in SYSCALL_DEFINE5()
4396 	mnt_drop_write(oldnd.path.mnt);  in SYSCALL_DEFINE5()