15 static long do_sys_name_to_handle(struct path *path,  in do_sys_name_to_handle()  argument
28 	if (!path->dentry->d_sb->s_export_op ||  in do_sys_name_to_handle()
29 	    !path->dentry->d_sb->s_export_op->fh_to_dentry)  in do_sys_name_to_handle()
47 	retval = exportfs_encode_fh(path->dentry,  in do_sys_name_to_handle()
70 	if (copy_to_user(mnt_id, &real_mount(path->mnt)->mnt_id,  in do_sys_name_to_handle()
96 	struct path path;  in SYSCALL_DEFINE5()  local
106 	err = user_path_at(dfd, name, lookup_flags, &path);  in SYSCALL_DEFINE5()
108 		err = do_sys_name_to_handle(&path, handle, mnt_id);  in SYSCALL_DEFINE5()
109 		path_put(&path);  in SYSCALL_DEFINE5()
139 			     struct path *path)  in do_handle_to_path()  argument
144 	path->mnt = get_vfsmount_from_fd(mountdirfd);  in do_handle_to_path()
145 	if (IS_ERR(path->mnt)) {  in do_handle_to_path()
146 		retval = PTR_ERR(path->mnt);  in do_handle_to_path()
151 	path->dentry = exportfs_decode_fh(path->mnt,  in do_handle_to_path()
155 	if (IS_ERR(path->dentry)) {  in do_handle_to_path()
156 		retval = PTR_ERR(path->dentry);  in do_handle_to_path()
161 	mntput(path->mnt);  in do_handle_to_path()
167 		   struct path *path)  in handle_to_path()  argument
206 	retval = do_handle_to_path(mountdirfd, handle, path);  in handle_to_path()
218 	struct path path;  in do_handle_open()  local
222 	retval = handle_to_path(mountdirfd, ufh, &path);  in do_handle_open()
228 		path_put(&path);  in do_handle_open()
231 	file = file_open_root(path.dentry, path.mnt, "", open_flag, 0);  in do_handle_open()
240 	path_put(&path);  in do_handle_open()