Re: [PATCH] libata: don't request sense data on !ZAC ATA devices

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Hello, Damien.

On Mon, Jun 24, 2019 at 08:27:02PM +0000, Damien Le Moal wrote:
> For NCQ commands, I believe it is mandatory to request sense data for the failed
> command to get the device out of error mode. So isn't this approach breaking

Hah, that's a news to me.  We never had that code path before ZAC
support was added, so I'm kinda skeptical that'd be the case.

> anything for well behaving drives ? Wouldn't it be better to blacklist the
> misbehaving SSD you observed the problem with ?

Provided I'm not wrong with the assumption, there's virtually no
benefit in doing this and that's gonna be a *really* difficult
blacklist to develop.

Thanks.

-- 
tejun



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