minio/internal/disk/directio_darwin.go
Harshavardhana 1f262daf6f
rename all remaining packages to internal/ (#12418)
This is to ensure that there are no projects
that try to import `minio/minio/pkg` into
their own repo. Any such common packages should
go to `https://github.com/minio/pkg`
2021-06-01 14:59:40 -07:00

43 lines
1.3 KiB
Go

// Copyright (c) 2015-2021 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero 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 Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package disk
import (
"os"
"github.com/ncw/directio"
"golang.org/x/sys/unix"
)
// OpenFileDirectIO - bypass kernel cache.
func OpenFileDirectIO(filePath string, flag int, perm os.FileMode) (*os.File, error) {
return directio.OpenFile(filePath, flag, perm)
}
// DisableDirectIO - disables directio mode.
func DisableDirectIO(f *os.File) error {
fd := f.Fd()
_, err := unix.FcntlInt(fd, unix.F_NOCACHE, 0)
return err
}
// AlignedBlock - pass through to directio implementation.
func AlignedBlock(BlockSize int) []byte {
return directio.AlignedBlock(BlockSize)
}