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Add detail error logs when 'Unknown Device' error happens if devicemapper storage is used.

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Signed-off-by: yuzou <zouyu7@huawei.com>
This commit is contained in:
yuzou 2016-06-27 14:04:04 +08:00
parent e904f58e19
commit d4a2bcc9ac
1 changed files with 2 additions and 0 deletions
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2
daemon/graphdriver/devmapper/deviceset.go
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@ -901,10 +901,12 @@ func (devices *DeviceSet) loadMetadata(hash string) *devInfo {
jsonData, err := ioutil.ReadFile(devices.metadataFile(info))
if err != nil {
logrus.Debugf("devmapper: Failed to read %s with err: %v", devices.metadataFile(info), err)
return nil
}
if err := json.Unmarshal(jsonData, &info); err != nil {
logrus.Debugf("devmapper: Failed to unmarshal devInfo from %s with err: %v", devices.metadataFile(info), err)
return nil
}