docker/graphdriver/devmapper/mount.go

28 строки
564 B
Go

// +build linux,amd64
package devmapper
import (
"path/filepath"
)
// FIXME: this is copy-pasted from the aufs driver.
// It should be moved into the core.
var Mounted = func(mountpoint string) (bool, error) {
mntpoint, err := osStat(mountpoint)
if err != nil {
if osIsNotExist(err) {
return false, nil
}
return false, err
}
parent, err := osStat(filepath.Join(mountpoint, ".."))
if err != nil {
return false, err
}
mntpointSt := toSysStatT(mntpoint.Sys())
parentSt := toSysStatT(parent.Sys())
return mntpointSt.Dev != parentSt.Dev, nil
}