On 03/06/2014 11:09 AM, Paolo Bonzini wrote:
> Il 06/03/2014 09:47, Fam Zheng ha scritto:
>> According to SPC-4, section 4.5.2.1, 252 is the limit of sense
>> data. So
>> increase the value.
>>
>> Signed-off-by: Fam Zheng <famz@xxxxxxxxxx>
>> ---
>> include/linux/virtio_scsi.h | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/include/linux/virtio_scsi.h
>> b/include/linux/virtio_scsi.h
>> index 4195b97..a437f7f 100644
>> --- a/include/linux/virtio_scsi.h
>> +++ b/include/linux/virtio_scsi.h
>> @@ -28,7 +28,7 @@
>> #define _LINUX_VIRTIO_SCSI_H
>>
>> #define VIRTIO_SCSI_CDB_SIZE 32
>> -#define VIRTIO_SCSI_SENSE_SIZE 96
>> +#define VIRTIO_SCSI_SENSE_SIZE 252
>>
>> /* SCSI command request, followed by data-out */
>> struct virtio_scsi_cmd_req {
>>
>
> Hi Fam, how did you test this?
>
Is there a specific reason _not_ to use the linux default?
The SCSI stack typically limits the sense code to
SCSI_SENSE_BUFFERSIZE, so using other values have a
limited sense.
Literally :-)
Cheers,
Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@xxxxxxx +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)
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