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moby--moby/daemon/graphdriver/aufs/mount.go
Brian Goff f31014197c Add finer-grained locking for aufs
```
benchmark                       old ns/op       new ns/op     delta
BenchmarkConcurrentAccess-8     10269529748     26834747      -99.74%

benchmark                       old allocs     new allocs     delta
BenchmarkConcurrentAccess-8     309948         7232           -97.67%

benchmark                       old bytes     new bytes     delta
BenchmarkConcurrentAccess-8     23943576      1578441       -93.41%
```

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
2016-02-25 18:06:41 -05:00

21 lines
397 B
Go

// +build linux
package aufs
import (
"os/exec"
"syscall"
"github.com/Sirupsen/logrus"
)
// Unmount the target specified.
func Unmount(target string) error {
if err := exec.Command("auplink", target, "flush").Run(); err != nil {
logrus.Errorf("Couldn't run auplink before unmount %s: %s", target, err)
}
if err := syscall.Unmount(target, 0); err != nil {
return err
}
return nil
}