On Sat, 24 Mar 2007 12:38:02 -0400 (EDT)
Justin Piszcz <jpiszcz@lucidpixels.com> wrote:

quoted text
> Without NCQ, performance is MUCH better on almost every operation, with 
> the exception of 2-3 items.

It depends on the drive. Generally NCQ is better but some drive firmware
isn't too bright and there are probably still cases where we get bad
interactions in the kernel code that want tuning too
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