Date: Thu, 21 Jun 2007 13:06:01 -0400 From: Kris Kennaway <kris@obsecurity.org> To: Rong-en Fan <grafan@gmail.com> Cc: Peter Jeremy <peterjeremy@optushome.com.au>, freebsd-stable@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: is read-write nullfs safe? Message-ID: <20070621170600.GA19886@rot26.obsecurity.org> In-Reply-To: <6eb82e0706210959o4e5bce06l7c72f8b31bc3956e@mail.gmail.com> References: <6eb82e0706182246q6563ba03x31038082125b50ae@mail.gmail.com> <200706190124.38935.josh@tcbug.org> <6eb82e0706182339r6328f009sf66631f1570977ba@mail.gmail.com> <20070619065820.GA87172@rot13.obsecurity.org> <20070621102342.GF1144@turion.vk2pj.dyndns.org> <6eb82e0706210649r8188a52h11b8b4f903484d1b@mail.gmail.com> <20070621155738.GA18615@rot26.obsecurity.org> <6eb82e0706210959o4e5bce06l7c72f8b31bc3956e@mail.gmail.com>
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On Fri, Jun 22, 2007 at 12:59:31AM +0800, Rong-en Fan wrote: > On 6/21/07, Kris Kennaway <kris@obsecurity.org> wrote: > >On Thu, Jun 21, 2007 at 09:49:16PM +0800, Rong-en Fan wrote: > >> On 6/21/07, Peter Jeremy <peterjeremy@optushome.com.au> wrote: > >> >On 2007-Jun-19 02:58:20 -0400, Kris Kennaway <kris@obsecurity.org> > >wrote: > >> >>On Tue, Jun 19, 2007 at 02:39:22PM +0800, Rong-en Fan wrote: > >> >>> I was asking about nullfs because the following lines > >> >>> in sys/conf/NOTES: > >> >>> > >> >>> # NB: The NULL, PORTAL, UMAP and UNION filesystems are known to be > >> >>> # buggy, and WILL panic your system if you attempt to do anything > >with > >> >>> # them. They are included here as an incentive for some enterprising > >> >>> # soul to sit down and fix them. > >> >> > >> >>Yeah, that's almost completely stale for both 6.x and 7.x. > >> > > >> >Since this issue pops up fairly regularly, would it be possible to > >> >correct, tone down or remove this warning before 6.3/7.0? > >> > >> Ya, how about this one: > >> > >> http://people.freebsd.org/~rafan/remove-nullfs-warning.diff > > > >Maybe note that UNIONFS is being maintained now and is in a much > >better state, although there are still some issues being resolved. > > OK, I add them. See the patch in the url above. Looks good to me, thanks. Kris > > >> It just remove NULL from the warning list. If no one objects, > >> I will ask re@ for approval tomorrow. BTW, since umapfs > >> is disconnected from build, shall we axe it? > > > >I would recommend it. > > > >Kris > > >
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