Re: [PATCH 2/2] libata: turn off NCQ if queue depth is adjusted to 1

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On Wed, Oct 04 2006, saeed bishara wrote:
> the NCQ commands contain the FUA (force unit access) field
> (mandatory), so disabling the NCQ will waste this feature.
> I don't know how much ans when this feature is usuable, but someday it
> can be usefull.

It's already useful, for io barriers. Yet another reason why the
distinction between depth == 1 and NCQ needs to available.

-- 
Jens Axboe

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