moby--moby/devmapper/mount.go

28 lines
567 B
Go

package devmapper
import (
"os"
"path/filepath"
"syscall"
)
// FIXME: this is copy-pasted from the aufs driver.
// It should be moved into the core.
func Mounted(mountpoint string) (bool, error) {
mntpoint, err := os.Stat(mountpoint)
if err != nil {
if os.IsNotExist(err) {
return false, nil
}
return false, err
}
parent, err := os.Stat(filepath.Join(mountpoint, ".."))
if err != nil {
return false, err
}
mntpointSt := mntpoint.Sys().(*syscall.Stat_t)
parentSt := parent.Sys().(*syscall.Stat_t)
return mntpointSt.Dev != parentSt.Dev, nil
}