Date: Fri, 18 Jun 2004 14:19:17 -0700 From: Alfred Perlstein <alfred@freebsd.org> To: Barney Wolff <barney@databus.com> Cc: freebsd-net@freebsd.org Subject: Re: kern/56461: FreeBSD client rpc.lockd incompatible with Linux server rpc.lockd Message-ID: <20040618211917.GF61448@elvis.mu.org> In-Reply-To: <20040618210840.GA53218@pit.databus.com> References: <20040618114929.GE58783@empiric.dek.spc.org> <20040618175121.GZ61448@elvis.mu.org> <20040618210840.GA53218@pit.databus.com>
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* Barney Wolff <barney@databus.com> [040618 14:09] wrote: > On Fri, Jun 18, 2004 at 10:51:21AM -0700, Alfred Perlstein wrote: > > > > *Sigh* make it a sysctl, but can someone please lay the smack > > down on the linuxiots and have them fix thier crap? > > > > * Bruce M Simpson <bms@spc.org> [040618 04:50] wrote: > > > > > > Linux NFS advisory locks are broken and incompatible with the rest > > > of the world. FreeBSD 5.x in particular uses BSD/OS derived NFS code > > > and thus is affected. FreeBSD 4.x does not implement client-side NFS > > > advisory locks. > > > > > > This problem is also documented as existing for MacOS X, IRIX and BSD/OS: > > > http://www.netsys.com/bsdi-users/2002-04/msg00036.html > > > http://www.uwsg.iu.edu/hypermail/linux/kernel/0311.0/0498.html > > > http://lists.freebsd.org/pipermail/freebsd-hackers/2003-July/001833.html > > > http://lists.freebsd.org/pipermail/freebsd-hackers/2003-April/000592.html > > > > > > The patch provided in the PR is verified to solve the problem, but > > > it would be good to make this functionality optional at run-time, > > > as many people are likely to be using Linux NFS shares read/write > > > with advisory locks. > > Pardon an ignorant question, but what happens to unfortunate people who > have to talk to both Linux and non-quirky servers at the same time? Is > there a way to detect what flavor of server you're talking to and adjust > accordingly? That would be far better than a sysctl. Mount option? Can we do that these days? -- - Alfred Perlstein - Research Engineering Development Inc. - email: bright@mu.org cell: 408-480-4684
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