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

     1  //go:build darwin || dragonfly
     2  // +build darwin dragonfly
     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  	"errors"
    25  	"fmt"
    26  	"syscall"
    27  )
    28  
    29  // GetInfo returns total and free bytes available in a directory, e.g. `/`.
    30  func GetInfo(path string, _ bool) (info Info, err error) {
    31  	s := syscall.Statfs_t{}
    32  	err = syscall.Statfs(path, &s)
    33  	if err != nil {
    34  		return Info{}, err
    35  	}
    36  	reservedBlocks := s.Bfree - s.Bavail
    37  	info = Info{
    38  		Total:  uint64(s.Bsize) * (s.Blocks - reservedBlocks),
    39  		Free:   uint64(s.Bsize) * s.Bavail,
    40  		Files:  s.Files,
    41  		Ffree:  s.Ffree,
    42  		FSType: getFSType(s.Fstypename[:]),
    43  	}
    44  	if info.Free > info.Total {
    45  		return info, fmt.Errorf("detected free space (%d) > total drive space (%d), fs corruption at (%s). please run 'fsck'", info.Free, info.Total, path)
    46  	}
    47  	info.Used = info.Total - info.Free
    48  	return info, nil
    49  }
    50  
    51  // GetDriveStats returns IO stats of the drive by its major:minor
    52  func GetDriveStats(major, minor uint32) (iostats IOStats, err error) {
    53  	return IOStats{}, errors.New("operation unsupported")
    54  }