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
From: "Ewan D. Milne"
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
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