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Date: Fri, 7 Dec 2007 21:13:07 -0500 From: Shane <gnome42@...il.com> To: "Andrew Morton" <akpm@...ux-foundation.org> Cc: "Alexey Dobriyan" <adobriyan@...il.com>, rjw@...k.pl, trond.myklebust@....uio.no, linux-kernel@...r.kernel.org, bfields@...ldses.org, ebiederm@...ssion.com, den@...nvz.org Subject: Re: 2.6.24-rc3-git4 NFS crossmnt regression On Dec 7, 2007 7:15 PM, Andrew Morton <akpm@...ux-foundation.org> wrote: > > On Sat, 8 Dec 2007 03:00:43 +0300 > Alexey Dobriyan <adobriyan@...il.com> wrote: > > > On Sat, Dec 08, 2007 at 12:43:28AM +0100, Rafael J. Wysocki wrote: > > > On Saturday, 8 of December 2007, Andrew Morton wrote: > > > > On Fri, 07 Dec 2007 17:51:58 -0500 > > > > Trond Myklebust <trond.myklebust@....uio.no> wrote: > > > > > > > > > > > > > > On Fri, 2007-12-07 at 14:39 -0500, Shane wrote: > > > > > > On Dec 7, 2007 2:16 PM, Shane <gnome42@...il.com> wrote: > > > > > > ... > > > > > > > Confirmed working in rc4-git5. I'll deploy this kernel in a few more > > > > > > > spots and check for other regressions. > > > > > > > > > > > > Hmm, I installed a new kernel built from the same sources on the NFS > > > > > > server. And now I don't see anything at all in the crossmnt dirs. > > > > > > > > > > > > ls /dirA/dirB/dirC --> zero output (empty dir) > > > > > > > > > > > > Are there any other pending fixes? > > > > > > > > > > > > Shane > > > > > > > > > > You've probably fallen afoul of > > > > > > > > > > http://bugzilla.kernel.org/show_bug.cgi?id=9504 > > > > > > > > > > > > > Yeah. > > > > > > > > I have a tentative fix below but I can't seem to get Eric and Denis to get > > > > a suitable fix nailed down. It's urgent! > > > > > > Well, how about asking Linus to revert commit > > > 2b1e300a9dfc3196ccddf6f1d74b91b7af55e416 altogether and starting over again? > > > > > > It apparently causes more trouble than the issue it was supposed to fix. > > > > I very much agree. ->shadow_proc is so ugly, so it's not funny anymore. > > Adding such hook for proc part of networking _and_ for modules is just asking > > for trouble as was demonstrated. > > OK, perhaps a revert is the best thing to do here. I don't think anyone > will be expecting fully finalised and robust netns support in 2.6.24. I reverted 2b1e300a9dfc3196ccddf6f1d74b91b7af55e416 and it does fix the NFS server problem with crossmnt's for me. Shane -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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