Date: Fri, 22 Jun 2007 10:22:34 -0700 From: Scott Long <scottl@samsco.org> To: "M. Warner Losh" <imp@bsdimp.com> Cc: scsi@freebsd.org Subject: Re: DA_Q_NO_SYN_CACHE Message-ID: <467C055A.5090008@samsco.org> In-Reply-To: <20070622.110918.-345494230.imp@bsdimp.com> References: <20070622.110918.-345494230.imp@bsdimp.com>
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M. Warner Losh wrote: > Is the DA_Q_NO_SYN_CACHE quirk still needed? there's suggestions in > some PRs I'm looking at to never send this command for UFI devices. > Was that ever implemented, and is that a good idea? > Are you suggesting modifying umass to universally disable the sync cache for UFI devices? That's something that should be looked at, but I don't think that the 7.0 code freeze is the best time to experiment with that. There has also been talk about re-doing the way that sync cache is done so that it's only done if the device reports that its write cache is present and enabled. Scott
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