Date: Fri, 17 Sep 2010 08:27:47 +0100 From: Rui Paulo <rpaulo@FreeBSD.org> To: gibbs@scsiguy.com Cc: "current@freebsd.org Current" <current@FreeBSD.org>, xen@FreeBSD.org Subject: Re: CFT - Xen infrastructure and block I/O improvements Message-ID: <57D2C852-4A1E-41AC-8074-BBBA8E0E7DCF@FreeBSD.org> In-Reply-To: <1801A881-E1C8-4B41-AD14-940686A37A27@FreeBSD.org> References: <4C92C815.7070508@scsiguy.com> <1801A881-E1C8-4B41-AD14-940686A37A27@FreeBSD.org>
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On 17 Sep 2010, at 07:55, Rui Paulo wrote: > On 17 Sep 2010, at 02:44, Justin T. Gibbs wrote: > >> At Spectra Logic, we are using FreeBSD amd64 under Xen to serve storage >> to other Xen domains. Over the past 9 months, we've made several changes >> to FreeBSD's Xen support. These include: >> >> o Support for backend devices (e.g. blkback) >> o Extensions to the Xen para-virtualized block API to allow for larger >> and more outstanding I/Os. >> o A completely rewritten block back driver with support for fronting >> I/O to both raw devices and files. >> o General cleanup and documentation of the XenBus and XenStore support code. >> o Robustness and performance updates for the block front driver. >> o Fixes to the netfront driver. >> >> Some of these changes have already been pushed back into FreeBSD, but the >> bulk of them need additional testing, especially under i386 PV, before >> they can be committed. If you work in the Xen area, I'd appreciate your >> review and/or testing of these changes. >> >> http://people.freebsd.org/~gibbs/FreeBSD-head-xen-diffs_2010_09_16.txt > > Justin, this is quite a big diff (16k lines). I wonder if you can create separate diffs (xenstore, blkback, xenbus, etc.) for easier review and commenting. '... and comment'. Regards, -- Rui Paulo
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