linux-kernel - Re: [PATCH 2.6.24-rc3] Fix /proc/net breakage

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Message-ID: <20071227184145.GA1831@martell.zuzino.mipt.ru>
Date:	Thu, 27 Dec 2007 21:41:45 +0300
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Andreas Mohr <andi@...as.de>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	David Woodhouse <dwmw2@...radead.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	"Rafael J. Wysocki" <rjw@...k.pl>, Pavel Machek <pavel@....cz>,
	kernel list <linux-kernel@...r.kernel.org>,
	netdev <netdev@...r.kernel.org>,
	Pavel Emelyanov <xemul@...nvz.org>,
	"Denis V. Lunev" <den@...nvz.org>
Subject: Re: [PATCH 2.6.24-rc3] Fix /proc/net breakage

On Thu, Dec 27, 2007 at 06:40:56PM +0100, Andreas Mohr wrote:
> On Fri, Dec 07, 2007 at 02:23:42AM -0800, Andrew Morton wrote:
> > > (commit 2b1e300a9dfc3196ccddf6f1d74b91b7af55e416)
> > > 
> > > This seems to have broken the use of /proc/bus/usb as a mountpoint. It
> > > always appears empty now, whatever's supposed to be mounted there.
> > > 
> > 
> > Yes.  Denis and Eric are tossing around competing patches but afaik nobody
> > is happy with any of them.  Guys, could we get this sorted soonish please?
> 
> "Soonish" being rather earlier than 20071227?
> 'cause it's still throwing a fit for me on 2.6.24-rc6-mm1(!) (plus hotfix),
> nothing visible in /proc/bus/usb, thus WLAN driver won't probe
> anything.

Patch which restores usual behaviour was merged in 2.6.24-rc5
(3790ee4bd86396558eedd86faac1052cb782e4e1 "proc: remove/Fix proc generic d_revalidate")
so no hotfixes are needed. I just checked with bind mounting / to
/proc/bus/usb -- it works.
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