44 lines
1.3 KiB
Go
44 lines
1.3 KiB
Go
// Linsk - A utility to access Linux-native file systems on non-Linux operating systems.
|
|
// Copyright (c) 2023 The Linsk Authors.
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
|
|
package osspecifics
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
|
|
"github.com/pkg/errors"
|
|
)
|
|
|
|
func GetDeviceLogicalBlockSize(devPath string) (uint64, error) {
|
|
fd, err := os.Open(devPath)
|
|
if err != nil {
|
|
return 0, errors.Wrap(err, "open device")
|
|
}
|
|
|
|
defer func() { _ = fd.Close() }()
|
|
|
|
bs, err := getDeviceLogicalBlockSizeInner(fd.Fd())
|
|
if err != nil {
|
|
return 0, errors.Wrap(err, "get block size inner")
|
|
}
|
|
|
|
if bs <= 0 {
|
|
return 0, fmt.Errorf("retrieved block size is zero (or negative): '%v'", bs)
|
|
}
|
|
|
|
return uint64(bs), nil
|
|
}
|