| package aufs |
| |
| import ( |
| "github.com/dotcloud/docker/utils" |
| "os" |
| "os/exec" |
| "path/filepath" |
| "syscall" |
| ) |
| |
| func Unmount(target string) error { |
| if err := exec.Command("auplink", target, "flush").Run(); err != nil { |
| utils.Errorf("[warning]: couldn't run auplink before unmount: %s", err) |
| } |
| if err := syscall.Unmount(target, 0); err != nil { |
| return err |
| } |
| return nil |
| } |
| |
| 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 |
| } |
