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expose method to get the subvolume id

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This commit is contained in:
Denys Smirnov 2019-05-17 20:53:32 +03:00
parent ae959341a5
commit e24c76dba4
1 changed files with 8 additions and 0 deletions
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8
btrfs.go
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@ -60,6 +60,14 @@ type Info struct {
CloneAlignment uint32
}
func (f *FS) SubVolumeID() (uint64, error) {
id, err := getFileRootID(f.f)
if err != nil {
return 0, err
}
return uint64(id), nil
}
func (f *FS) Info() (out Info, err error) {
var arg btrfs_ioctl_fs_info_args
arg, err = iocFsInfo(f.f)