Move MaxIovs back to a variable in iovec.go.

PiperOrigin-RevId: 363091954

pkg/iovec/BUILD

@@ -4,10 +4,7 @@ package(licenses = ["notice"])
 
 go_library(
     name = "iovec",
-    srcs = [
-        "iovec.go",
-        "iovec_max.go",
-    ],
+    srcs = ["iovec.go"],
     visibility = ["//:sandbox"],
     deps = ["@org_golang_x_sys//unix:go_default_library"],
 )

pkg/iovec/iovec.go

@@ -22,6 +22,9 @@ import (
 	"golang.org/x/sys/unix"
 )
 
+// MaxIovs is the maximum number of iovecs host platform can accept.
+var MaxIovs = 1024
+
 // Builder is a builder for slice of unix.Iovec.
 type Builder struct {
 	iovec   []unix.Iovec

pkg/iovec/iovec_max.go

@@ -1,19 +0,0 @@
-// Copyright 2021 The gVisor Authors.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-package iovec
-
-// MaxIovs is the maximum number of iovecs host platform can accept. It
-// corresponds to Linux's UIO_MAXIOV, which is not in the unix package.
-const MaxIovs = 1024