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Image: unmount device before removing it on failures

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If we don't do this the remove will fail due to EBUSY
This commit is contained in:
Alexander Larsson 2013-09-19 14:59:27 +02:00 • committed by Tianon Gravi
parent 2c71710b74
commit ecdbdfdaea
1 changed files with 3 additions and 0 deletions
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3
image.go
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@ -414,6 +414,7 @@ func (image *Image) ensureImageDevice(devices DeviceSet) error {
err = ioutil.WriteFile(path.Join(mountDir, ".docker-id"), []byte(image.ID), 0600)
if err != nil {
_ = devices.UnmountDevice(image.ID, mountDir)
_ = devices.RemoveDevice(image.ID)
return err
}
@ -432,11 +433,13 @@ func (image *Image) ensureImageDevice(devices DeviceSet) error {
// part of the container changes
dockerinitLayer, err := image.getDockerInitLayer()
if err != nil {
_ = devices.UnmountDevice(image.ID, mountDir)
_ = devices.RemoveDevice(image.ID)
return err
}
err = image.applyLayer(dockerinitLayer, mountDir)
if err != nil {
_ = devices.UnmountDevice(image.ID, mountDir)
_ = devices.RemoveDevice(image.ID)
return err
}