Re: Plan: journalling fixes for WAPBL

[David Holland <dholland-tech%netbsd.org@localhost>]

On Fri, Sep 23, 2016 at 08:51:30AM -0600, Warner Losh wrote:
 > [*] There is an NCQ version of TRIM, but it requires the AUX register
 > to be sent and very few sata hosts controllers support that (though
 > AHCI does, many of the LSI controllers don't in any performant way).

I (somewhat idly) wonder if this is why we currently have TRIM that
works on ahcisata but not on several other controllers...

(PR 51756 for siisata, PR 47455 for piixide, maybe more)

-- 
David A. Holland
dholland%netbsd.org@localhost