storj.io/minio@v0.0.0-20230509071714-0cbc90f649b1/pkg/disk/disk_unix.go (about)

     1  //go:build !windows
     2  // +build !windows
     3  
     4  /*
     5   * MinIO Cloud Storage, (C) 2021 MinIO, Inc.
     6   *
     7   * Licensed under the Apache License, Version 2.0 (the "License");
     8   * you may not use this file except in compliance with the License.
     9   * You may obtain a copy of the License at
    10   *
    11   *     http://www.apache.org/licenses/LICENSE-2.0
    12   *
    13   * Unless required by applicable law or agreed to in writing, software
    14   * distributed under the License is distributed on an "AS IS" BASIS,
    15   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    16   * See the License for the specific language governing permissions and
    17   * limitations under the License.
    18   */
    19  
    20  package disk
    21  
    22  import (
    23  	"syscall"
    24  )
    25  
    26  // SameDisk reports whether di1 and di2 describe the same disk.
    27  func SameDisk(disk1, disk2 string) (bool, error) {
    28  	st1 := syscall.Stat_t{}
    29  	st2 := syscall.Stat_t{}
    30  
    31  	if err := syscall.Stat(disk1, &st1); err != nil {
    32  		return false, err
    33  	}
    34  
    35  	if err := syscall.Stat(disk2, &st2); err != nil {
    36  		return false, err
    37  	}
    38  
    39  	return st1.Dev == st2.Dev, nil
    40  }