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Date: Mon, 24 Sep 2007 18:07:38 -0400
From: Trond Myklebust <Trond.Myklebust@...app.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
Ingo Molnar <mingo@...e.hu>
Cc: linux-kernel@...r.kernel.org
Subject: lockdep wierdness...
I'm seeing lockdep warning about a potential lock inversion between
&mm->mmap_sem and &inode->i_mutex in NFS (see attachment).
Unfortunately the basis for the warning appears to be the behaviour in
ext3(???). AFAICS there is no way for NFS to share an inode->i_mutex
with ext3. What to do?
Trond
View attachment "wierd_lockdep.txt" of type "text/plain" (2363 bytes)
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