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Mount r/w GCE PD disks with -o discard

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As per
https://cloud.google.com/compute/docs/disks/add-persistent-disk#formatting.
This commit is contained in:
Tim Hockin 2016-07-03 21:30:18 -07:00
parent d07328dc4a
commit 8efefab9a3
1 changed files with 3 additions and 0 deletions
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3
pkg/volume/gce_pd/attacher.go
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@ -165,6 +165,9 @@ func (attacher *gcePersistentDiskAttacher) MountDevice(spec *volume.Spec, device
options := []string{} options := []string{}
if readOnly { if readOnly {
options = append(options, "ro") options = append(options, "ro")
} else {
// as per https://cloud.google.com/compute/docs/disks/add-persistent-disk#formatting
options = append(options, "discard")
} }
if notMnt { if notMnt {
diskMounter := &mount.SafeFormatAndMount{Interface: mounter, Runner: exec.New()} diskMounter := &mount.SafeFormatAndMount{Interface: mounter, Runner: exec.New()}