mirror of
https://github.com/minio/minio.git
synced 2024-12-26 07:05:55 -05:00
32 lines
991 B
Go
32 lines
991 B
Go
|
// +build linux
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Minio Cloud Storage, (C) 2016 Minio, Inc.
|
||
|
|
*
|
||
|
|
* 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 cmd
|
||
|
|
|
||
|
|
import "syscall"
|
||
|
|
|
||
|
|
// Fallocate uses the linux Fallocate syscall, which helps us to be
|
||
|
|
// sure that subsequent writes on a file just created will not fail,
|
||
|
|
// in addition, file allocation will be contigous on the disk
|
||
|
|
func Fallocate(fd int, offset int64, len int64) error {
|
||
|
|
return syscall.Fallocate(fd,
|
||
|
|
1, // FALLOC_FL_KEEP_SIZE
|
||
|
|
offset,
|
||
|
|
len)
|
||
|
|
}
|