github.com/minio/minio@v0.0.0-20240328213742-3f72439b8a27/internal/disk/disk_unix.go (about)

     1  //go:build !windows
     2  // +build !windows
     3  
     4  // Copyright (c) 2015-2021 MinIO, Inc.
     5  //
     6  // This file is part of MinIO Object Storage stack
     7  //
     8  // This program is free software: you can redistribute it and/or modify
     9  // it under the terms of the GNU Affero General Public License as published by
    10  // the Free Software Foundation, either version 3 of the License, or
    11  // (at your option) any later version.
    12  //
    13  // This program is distributed in the hope that it will be useful
    14  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    15  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    16  // GNU Affero General Public License for more details.
    17  //
    18  // You should have received a copy of the GNU Affero General Public License
    19  // along with this program.  If not, see <http://www.gnu.org/licenses/>.
    20  
    21  package disk
    22  
    23  import (
    24  	"syscall"
    25  )
    26  
    27  // SameDisk reports whether di1 and di2 describe the same disk.
    28  func SameDisk(disk1, disk2 string) (bool, error) {
    29  	st1 := syscall.Stat_t{}
    30  	st2 := syscall.Stat_t{}
    31  
    32  	if err := syscall.Stat(disk1, &st1); err != nil {
    33  		return false, err
    34  	}
    35  
    36  	if err := syscall.Stat(disk2, &st2); err != nil {
    37  		return false, err
    38  	}
    39  
    40  	return st1.Dev == st2.Dev, nil
    41  }