Date: Mon, 21 Jan 2008 10:42:04 +0000 (GMT) From: Robert Watson <rwatson@FreeBSD.org> To: "Marc G. Fournier" <scrappy@hub.org> Cc: freebsd-afs@freebsd.org, jcw@highperformance.net Subject: Re: AFS in FreeBSD ... Message-ID: <20080121103924.H73025@fledge.watson.org> In-Reply-To: <B0DF5151ECAB3953AB48EACA@ganymede.hub.org> References: <B0DF5151ECAB3953AB48EACA@ganymede.hub.org>
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On Mon, 21 Jan 2008, Marc G. Fournier wrote: > As Robert has stated in the thread I started last week, he's willing to lend > a hand with getting the kenrel module *as part of* the kernel, but what does > it take to get it to that point? > > I just downloaded Jason's initial port attempt, but it is almost a year old: > > <http://www.stradamotorsports.com/~jcw/openafs/>; > > Has anyone looked at the work he's done so far? Ignoring the client side > for now, Jason, what would it take to get your work to the point where > Robert could inject it into the core FreeBSD system, as opposed to an 'add > on'? What would be involved in getting 1.5.x working? I'm not sure there's a benefit to importing the OpenAFS server into the FreeBSD src tree, given that it's already well-maintained and fairly functional as a port. The main area of potential benefit is, in fact, the Arla client, which would then be able to track FreeBSD VFS changes, and offers a relatively static interface to the userland components that could continue to live in the port. After chatting with a few of the OpenAFS folks, the current concensus is that the OpenAFS client kernel parts are a lot more involved than the Arla ones, as much of the cache manager is implemented there, whereas with Arla it's just a user file system interface and so a lot less complex. So I think the short-term plan, if the Arla folks are willing and we can get a functional Arla module sync'd to 8-CURRENT, would be to get nnpfs into FreeBSD's src/sys. Robert N M Watson Computer Laboratory University of Cambridge
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