ceremonyclient/pebble/vfs/disk_usage_unix.go

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2024-01-03 07:31:42 +00:00
// Copyright 2020 The LevelDB-Go and Pebble Authors. All rights reserved. Use
// of this source code is governed by a BSD-style license that can be found in
// the LICENSE file.
//go:build darwin || dragonfly || freebsd
// +build darwin dragonfly freebsd
package vfs
import "golang.org/x/sys/unix"
func (defaultFS) GetDiskUsage(path string) (DiskUsage, error) {
stat := unix.Statfs_t{}
if err := unix.Statfs(path, &stat); err != nil {
return DiskUsage{}, err
}
freeBytes := uint64(stat.Bsize) * uint64(stat.Bfree)
availBytes := uint64(stat.Bsize) * uint64(stat.Bavail)
totalBytes := uint64(stat.Bsize) * uint64(stat.Blocks)
return DiskUsage{
AvailBytes: availBytes,
TotalBytes: totalBytes,
UsedBytes: totalBytes - freeBytes,
}, nil
}