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51 lines
1.5 KiB
Go
51 lines
1.5 KiB
Go
// +build linux,!s390x,!arm,!386
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/*
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* MinIO Cloud Storage, (C) 2015, 2016, 2017 MinIO, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package disk
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import (
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"fmt"
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"syscall"
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)
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// GetInfo returns total and free bytes available in a directory, e.g. `/`.
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func GetInfo(path string) (info Info, err error) {
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s := syscall.Statfs_t{}
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err = syscall.Statfs(path, &s)
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if err != nil {
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return Info{}, err
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}
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reservedBlocks := s.Bfree - s.Bavail
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info = Info{
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Total: uint64(s.Frsize) * (s.Blocks - reservedBlocks),
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Free: uint64(s.Frsize) * s.Bavail,
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Files: s.Files,
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Ffree: s.Ffree,
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FSType: getFSType(int64(s.Type)),
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}
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// Check for overflows.
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// https://github.com/minio/minio/issues/8035
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// XFS can show wrong values at times error out
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// in such scenarios.
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if info.Free > info.Total {
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return info, fmt.Errorf("detected free space (%d) > total disk space (%d), fs corruption at (%s). please run 'fsck'", info.Free, info.Total, path)
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}
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info.Used = info.Total - info.Free
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return info, nil
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}
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