1264 static long vmsplice_to_user(struct file *file, struct iov_iter *iter,  in vmsplice_to_user()  argument
1269 		.total_len = iov_iter_count(iter),  in vmsplice_to_user()
1271 		.u.data = iter  in vmsplice_to_user()
1292 static long vmsplice_to_pipe(struct file *file, struct iov_iter *iter,  in vmsplice_to_pipe()  argument
1309 		ret = iter_to_pipe(iter, pipe, buf_flag);  in vmsplice_to_pipe()
1347 static long do_vmsplice(struct file *f, struct iov_iter *iter, unsigned int flags)  in do_vmsplice()  argument
1352 	if (!iov_iter_count(iter))  in do_vmsplice()
1355 	if (iov_iter_rw(iter) == WRITE)  in do_vmsplice()
1356 		return vmsplice_to_pipe(f, iter, flags);  in do_vmsplice()
1358 		return vmsplice_to_user(f, iter, flags);  in do_vmsplice()
1366 	struct iov_iter iter;  in SYSCALL_DEFINE4()  local
1377 			     ARRAY_SIZE(iovstack), &iov, &iter);  in SYSCALL_DEFINE4()
1379 		error = do_vmsplice(f.file, &iter, flags);  in SYSCALL_DEFINE4()
1392 	struct iov_iter iter;  in COMPAT_SYSCALL_DEFINE4()  local
1403 			     ARRAY_SIZE(iovstack), &iov, &iter);  in COMPAT_SYSCALL_DEFINE4()
1405 		error = do_vmsplice(f.file, &iter, flags);  in COMPAT_SYSCALL_DEFINE4()