Initial commit

vendor/github.com/cockroachdb/pebble/vfs/preallocate_generic.go

@@ -0,0 +1,25 @@
+// Copyright 2016 The etcd 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.
+
+//go:build !linux
+// +build !linux
+
+package vfs
+
+func preallocExtend(fd uintptr, offset, length int64) error {
+	// It is ok for correctness to no-op file preallocation. WAL recycling is the
+	// more important mechanism for WAL sync performance and it doesn't rely on
+	// fallocate or posix_fallocate in order to be effective.
+	return nil
+}