linux-kernel - Re: vfsmount lock issues on very large ppc64 box

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Message-ID: <20110718154008.GA29593@infradead.org>
Date:	Mon, 18 Jul 2011 11:40:08 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	Andi Kleen <andi@...stfloor.org>, Matthew Wilcox <matthew@....cx>,
	Anton Blanchard <anton@...ba.org>, npiggin@...nel.dk,
	viro@...iv.linux.org.uk, linux-kernel@...r.kernel.org,
	linux-fsdevel@...r.kernel.org,
	Tim Chen <tim.c.chen@...ux.intel.com>
Subject: Re: vfsmount lock issues on very large ppc64 box

On Mon, Jul 18, 2011 at 10:17:08AM +0200, Eric Dumazet wrote:
> > Tim posted a patch, but it wasn't applied for unknown reasons.
> > 
> > https://lkml.org/lkml/2011/4/13/561
> > 
> 
> Could Tim respin his patch then ?

Btw, it seems like most kern_mount users want this and he's still
missing some like devtmpfs, sysfs or ipc.  What about splitting
kern_mount into a variant that gets a long-term reference for these
callers, and one that doesn't for afs/cifs/nfs automounts?

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