49 lines
1.5 KiB
Go
49 lines
1.5 KiB
Go
// +build linux
|
|
|
|
/*
|
|
* MinIO Cloud Storage, (C) 2015, 2016, 2017 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 disk
|
|
|
|
import (
|
|
"fmt"
|
|
"syscall"
|
|
)
|
|
|
|
// GetInfo returns total and free bytes available in a directory, e.g. `/`.
|
|
func GetInfo(path string) (info Info, err error) {
|
|
s := syscall.Statfs_t{}
|
|
err = syscall.Statfs(path, &s)
|
|
if err != nil {
|
|
return Info{}, err
|
|
}
|
|
reservedBlocks := uint64(s.Bfree) - uint64(s.Bavail)
|
|
info = Info{
|
|
Total: uint64(s.Frsize) * (uint64(s.Blocks) - reservedBlocks),
|
|
Free: uint64(s.Frsize) * uint64(s.Bavail),
|
|
Files: uint64(s.Files),
|
|
Ffree: uint64(s.Ffree),
|
|
FSType: getFSType(int64(s.Type)),
|
|
}
|
|
// Check for overflows.
|
|
// https://github.com/minio/minio/issues/8035
|
|
// XFS can show wrong values at times error out
|
|
// in such scenarios.
|
|
if info.Free > info.Total {
|
|
return info, fmt.Errorf("detected free space (%d) > total disk space (%d), fs corruption at (%s). please run 'fsck'", info.Free, info.Total, path)
|
|
}
|
|
return info, nil
|
|
}
|