Ewan,
>> The spec is crystal clear. The device needs to be fixed. We can
>> blacklist older firmware revs.
>
> Yes, I know that is what SBC-4 says, and I agree that the devices
> are not conforming. Unfortunately, I've come across 3 different
> arrays now from 3 different manufacturers that
Re: [PATCH] sd: Limit WRITE SAME / WRITE SAME(16) w/UNMAP length for
certain devices
On Mon, 2017-09-25 at 21:46 -0400, Martin K. Petersen wrote:
> Ewan,
>
> > Some devices do not support a WRITE SAME / WRITE SAME(16) with the
> > UNMAP bit set up to the length specified in
On Mon, 2017-09-25 at 21:46 -0400, Martin K. Petersen wrote:
> Ewan,
>
> > Some devices do not support a WRITE SAME / WRITE SAME(16) with the
> > UNMAP bit set up to the length specified in the MAXIMUM WRITE SAME
> > LENGTH field in the block limits VPD page (or, the field is zero,
> > indicating
Ewan,
> Some devices do not support a WRITE SAME / WRITE SAME(16) with the
> UNMAP bit set up to the length specified in the MAXIMUM WRITE SAME
> LENGTH field in the block limits VPD page (or, the field is zero,
> indicating there is no limit). Limit the length by the MAXIMUM UNMAP
> LBA COUNT
Ewan,
I like it, more generic than my patch. I never saw the other cases, so I
limited my
patch to WS16.
Acked-by: Bill Kuzeja
On Tue-09-19 at 12:14 Ewan D. Milne wrote:
> Some devices do not support a WRITE SAME / WRITE SAME(16) with the
> UNMAP
> bit set up to
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