Re: [PATCH V2] scsi_debug: add LBPRZ support

[Douglas Gilbert <dgilbert@interlog.com>]

On 12-03-08 07:03 AM, Eric Sandeen wrote:
> Add LBPRZ support to scsi_debug; i.e. read zeros for
> unmapped blocks.
>
> Rather than checking for unmapped blocks at
> read time, this just zeroes them on the backing store
> at unmap time so it behaves the same way.
>
> This also adds a module parameter to disable it.
>
> lbprz, "unmapped blocks return 0 on read (def=1)"
>
> Signed-off-by: Eric Sandeen<sandeen@redhat.com>
> ---
>
> V2: set flag in inquiry_evpd_b2() as well, and rename *_zeroes
> type symbols to *_lbprz
>
> note, I didn't change the return value of inquiry_evpd_b2();
> that seems unrelated to this change, and should be a separate
> patch, no?
>
> Thanks,
> -Eric

Acked-by: Douglas Gilbert <dgilbert@interlog.com>