Date: Sun, 13 Mar 2005 20:42:45 +0000 From: Chris Hodgins <chodgins@cis.strath.ac.uk> To: Anish Mistry <mistry.7@osu.edu> Cc: Frank Knobbe <frank@knobbe.us> Subject: Re: Idea about 'skeleton jail Message-ID: <4234A5C5.1080006@cis.strath.ac.uk> In-Reply-To: <200503131524.16075.mistry.7@osu.edu> References: <1107178792.613.22.camel@spirit> <200503131051.40700.freebsd-hackers@evilcode.net> <42348525.8080302@cis.strath.ac.uk> <200503131524.16075.mistry.7@osu.edu>
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Anish Mistry wrote: > On Sunday 13 March 2005 01:23 pm, Chris Hodgins wrote: > >>Samuel J. Greear wrote: >> >>>Not a bad 'idea' at all, although I won't comment on semantics. >>>I had something implemented using fs stacking (in a very hackish >>>way, and I believe it's lost now, so don't ask to see it...) to >>>implement per-jail quota's that seemed to work quite well. >>> >>>Sam >> >>Feel free to comment on the semantics. As I said before, I am not >>very knowledgable about filesystems and any insight or alternative >>implementation you can provide would be interesting I'm sure to >>everyone. >> > > Yeah, if there was jailfs that was setup automatically for the jails > that supported quotas out of the box that would kill my major gripe > about setting up jails. > Any ideas the sort of work involved in something like this? I am graduating soon and about to have about a month of free time to spend on a project. From the very little I know about file systems on Unix they just stack together right? So there would have to be something to process the configuration file and then is it just a matter of overriding each vnode operation or is there more to it than that? Chris
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