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Subject: Re: [PATCH 0/3] mmap vs NFS
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org, linux-arch@vger.kernel.org,
       linux-fsdevel@vger.kernel.org,
       Linus Torvalds <torvalds@linux-foundation.org>,
       Andrew Morton <akpm@linux-foundation.org>,
       Trond Myklebust <trond.myklebust@fys.uio.no>,
       Nick Piggin <npiggin@suse.de>, Hugh Dickins <hugh@veritas.com>
In-Reply-To: <20071114200136.009242000@chello.nl>
References: <20071114200136.009242000@chello.nl>
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Date: Wed, 14 Nov 2007 21:19:22 +0100
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Seems I forgot to mention this is an RFC :-)

On Wed, 2007-11-14 at 21:01 +0100, Peter Zijlstra wrote:
> Currently there is an AB-BA deadlock in NFS mmap.
> 
> nfs_file_mmap() can take i_mutex, while holding mmap_sem, whereas the regular
> locking order is the other way around.
> 
> This patch-set attempts to solve this issue.
>