Date: Sun, 10 Oct 1999 18:10:05 +0200 From: Poul-Henning Kamp <phk@critter.freebsd.dk> To: Peter Wemm <peter@netplex.com.au> Cc: "Daniel C. Sobral" <dcs@newsguy.com>, cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/vm vm_swap.c Message-ID: <15397.939571805@critter.freebsd.dk> In-Reply-To: Your message of "Mon, 11 Oct 1999 00:06:54 %2B0800." <19991010160654.642ED1CC6@overcee.netplex.com.au>
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In message <19991010160654.642ED1CC6@overcee.netplex.com.au>, Peter Wemm writes : >"Daniel C. Sobral" wrote: >> Poul-Henning Kamp wrote: >> > >> > Unless somebody else beats me to it or explains why we need to >> > keep it, /dev/drum is now scheduled for demolition. >> >> /me trembles at the sight of vikings and their bloody axes as the >> year come to an end... > >The only thing of the "swap device" that's actually used is the strategy >routine which does interleaving for the higher layers. It's really not >useable as anything else as this strategy routine doesn't actually work for >normal device access. libkvm doesn't use it, at least not for a very long >time. IMHO, the strategy routine should be moved elsewhere for the VM swap >code to use as a subroutine and the whole "device" should be deep-six'ed. But isn't this really just a "striping" function which could be done equally well by ccd or vinum ? -- Poul-Henning Kamp FreeBSD coreteam member phk@FreeBSD.ORG "Real hackers run -current on their laptop." FreeBSD -- It will take a long time before progress goes too far! To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message
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