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Date: Mon, 15 Jul 2013 23:28:41 -0400
From: Dave Jones <davej@redhat.com>
Subject: Re: splice vs execve lockdep trace.
Message-ID: <20130716032841.GB1578@redhat.com>
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To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>, Linux Kernel <linux-kernel@vger.kernel.org>, Oleg Nesterov <oleg@redhat.com>, xfs@oss.sgi.com, Ben Myers <bpm@sgi.com>, Alexander Viro <viro@zeniv.linux.org.uk>

On Mon, Jul 15, 2013 at 08:25:14PM -0700, Linus Torvalds wrote:
 
 
 > And looking more at that, I'm actually starting to think this is an
 > XFS locking problem. XFS really should not call back to splice while
 > holding the inode lock.
 > 
 > But that XFS code doesn't seem new either. Is XFS a new thing for you
 > to test with?

I started pounding on it fairly recently and have shook out a number
of bugs (now fixed) since I started, so relatively new, but on the order of 'months' now.

	Dave

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