Re: [PATCH] storage: Don't pass 'iso' format to qemu-img

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On 03/07/2017 04:22 AM, Pavel Hrdina wrote:
> On Mon, Mar 06, 2017 at 04:58:52PM -0500, Cole Robinson wrote:
>> $ virsh vol-clone /tmp/test.iso new.iso
>> error: Failed to clone vol from test.iso
>> error: internal error: Child process (/bin/qemu-img convert -f iso -O iso /tmp/test.iso /tmp/new.iso) unexpected exit status 1: qemu-img: Could not open '/tmp/test.iso': Unknown driver 'iso'
>>
>> Map iso->raw before sending the format value to qemu-img
>>
>> https://bugzilla.redhat.com/show_bug.cgi?id=972784
>> https://bugzilla.redhat.com/show_bug.cgi?id=1419395
>> ---
>>  src/storage/storage_util.c | 5 +++++
>>  1 file changed, 5 insertions(+)
>>
>> diff --git a/src/storage/storage_util.c b/src/storage/storage_util.c
>> index 41253b9..bf6f0b3 100644
>> --- a/src/storage/storage_util.c
>> +++ b/src/storage/storage_util.c
>> @@ -1009,6 +1009,8 @@ storageBackendCreateQemuImgSetInput(virStorageVolDefPtr inputvol,
>>      info->inputFormat = inputvol->target.format;
>>      if (inputvol->type == VIR_STORAGE_VOL_BLOCK)
>>          info->inputFormat = VIR_STORAGE_FILE_RAW;
>> +    if (info->inputFormat == VIR_STORAGE_FILE_ISO)
>> +        info->inputFormat = VIR_STORAGE_FILE_RAW;
>>      if (!(info->inputFormatStr =
>>            virStorageFileFormatTypeToString(info->inputFormat))) {
>>          virReportError(VIR_ERR_INTERNAL_ERROR,
>> @@ -1175,6 +1177,9 @@ virStorageBackendCreateQemuImgCmdFromVol(virConnectPtr conn,
>>      if (vol->type == VIR_STORAGE_VOL_BLOCK)
>>          info.format = VIR_STORAGE_FILE_RAW;
>>  
>> +    if (info.format == VIR_STORAGE_FILE_ISO)
>> +        info.format = VIR_STORAGE_FILE_RAW;
>> +
>>      if (!(type = virStorageFileFormatTypeToString(info.format))) {
>>          virReportError(VIR_ERR_INTERNAL_ERROR,
>>                         _("unknown storage vol type %d"),
> 
> This could use a test case in storagevolxml2argvtest.
> 
> ACK to the changes.
> 

Thanks, I didn't know about those tests. I've sent a follow up patch

- Cole

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