Date: Wed, 25 Aug 2010 19:48:51 +0200 From: Paul Schenkeveld <fb-arch@psconsult.nl> To: freebsd-arch@freebsd.org Subject: Re: RFC: enhancing the root mount logic Message-ID: <20100825174851.GA64117@psconsult.nl> In-Reply-To: <7318E60D-F00F-4519-A3E3-9CE8B752AE88@mac.com> References: <AFBE2FCA-30A6-4E1D-A964-AC4DC4C843EB@juniper.net> <20100823214946.GF64651@hoeg.nl> <7318E60D-F00F-4519-A3E3-9CE8B752AE88@mac.com>
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On Mon, Aug 23, 2010 at 03:44:03PM -0700, Marcel Moolenaar wrote: > > On Aug 23, 2010, at 2:49 PM, Ed Schouten wrote: > > > * Marcel Moolenaar <marcelm@juniper.net> wrote: > >> Is this something that people feel is worth fleshing out and > >> prototyping? > > > > Sounds awesome! This would make my writable boot cd a lot more elegant > > than it is right now. Have you thought about things like possible > > endless loops? Say, you mount a unionfs on the root of the fs itself. So far I've not yet seen any endless loop in computing ... :-) > > This may cause the original .mount.conf to be reinterpreted, right? > > Right. I haven't thought about it. My off the cuff response is that we > should disallow it if the amount of effort required to detect it is > within reason. Alternatively, we could simply impose a global limit on > the depth of the recursion. Either appears reasonable to me, but I may > be overlooking something here... What about a directive in .mount.conf, e.g. ".exit" to end the recursion? > Thoughts? > > -- > Marcel Moolenaar > xcllnt@mac.com Regards, Paul Schenkeveld
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