From mboxrd@z Thu Jan  1 00:00:00 1970
From: "J. Bruce Fields" <bfields@fieldses.org>
Subject: Re: AIM7 40% regression with 2.6.26-rc1
Date: Tue, 6 May 2008 12:44:59 -0400
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References: <1210052904.3453.30.camel@ymzhang> <20080506114449.GC32591@elte.hu> <20080506120934.GH19219@parisc-linux.org> <20080506162332.GI19219@parisc-linux.org> <alpine.LFD.1.10.0805060931450.32269@woody.linux-foundation.org>
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Cc: Matthew Wilcox <matthew@wil.cx>, Ingo Molnar <mingo@elte.hu>,
	"Zhang, Yanmin" <yanmin_zhang@linux.intel.com>,
	LKML <linux-kernel@vger.kernel.org>,
	Alexander Viro <viro@ftp.linux.org.uk>,
	Andrew Morton <akpm@linux-foundation.org>,
	linux-fsdevel@vger.kernel.org, richterd@citi.umich.edu
To: Linus Torvalds <torvalds@linux-foundation.org>
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On Tue, May 06, 2008 at 09:36:06AM -0700, Linus Torvalds wrote:
> 
> 
> On Tue, 6 May 2008, Matthew Wilcox wrote:
> > 
> > I've wanted to fix file locks for a while.  Here's a first attempt.
> > It was done quickly, so I concede that it may well have bugs in it.
> > I found (and fixed) one with LTP.
> 
> Hmm. Wouldn't it be nicer to make the lock be a per-inode thing? Or is 
> there some user that doesn't have the inode info, or does anything that 
> might cross inode boundaries?

The deadlock detection crosses inode boundaries.

--b.