rclone/backend/local/about_unix.go

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// +build darwin dragonfly freebsd linux
package local
import (
"syscall"
"github.com/ncw/rclone/fs"
"github.com/pkg/errors"
)
// About gets quota information
func (f *Fs) About() (*fs.Usage, error) {
var s syscall.Statfs_t
err := syscall.Statfs(f.root, &s)
if err != nil {
return nil, errors.Wrap(err, "failed to read disk usage")
}
bs := int64(s.Bsize)
usage := &fs.Usage{
Total: fs.NewUsageValue(bs * int64(s.Blocks)), // quota of bytes that can be used
Used: fs.NewUsageValue(bs * int64(s.Blocks-s.Bfree)), // bytes in use
Free: fs.NewUsageValue(bs * int64(s.Bavail)), // bytes which can be uploaded before reaching the quota
}
return usage, nil
}
// check interface
var _ fs.Abouter = &Fs{}