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54 lines
1.7 KiB
Go
54 lines
1.7 KiB
Go
//go:build linux && !s390x && !arm && !386
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// +build linux,!s390x,!arm,!386
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// Copyright (c) 2015-2021 MinIO, Inc.
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//
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// This file is part of MinIO Object Storage stack
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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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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//nolint:unconvert
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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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