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From: Zach Brown <zach.brown@oracle.com>
To: Nick Piggin <npiggin@suse.de>
Cc: linux-fsdevel@vger.kernel.org,
	Linux Memory Management List <linux-mm@kvack.org>,
	Mark Fasheh <mfasheh@suse.com>, Sage Weil <sage@newdream.net>
Subject: Re: [patch][rfc] mm: hold page lock over page_mkwrite
Date: Wed, 25 Feb 2009 08:58:06 -0800	[thread overview]
Message-ID: <49A5789E.4040600@oracle.com> (raw)
In-Reply-To: <20090225165501.GK22785@wotan.suse.de>


> Is ocfs2 immune to the races that get covered by this patch?

I haven't the slightest idea.

> Hmm, actually possibly we can enter page_mkwrite with the page unlocked,
> but exit with the page locked? Slightly more complex, but should save
> complexity elsewhere. Yes I think this might be the best way to go.

That sounds like it would work on first glance, yeah.  Mark will yell at
us if we've gotten it wrong ;).

- z

  reply	other threads:[~2009-02-25 16:58 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-02-25  9:36 [patch][rfc] mm: hold page lock over page_mkwrite Nick Piggin
2009-02-25 16:42 ` Zach Brown
2009-02-25 16:55   ` Nick Piggin
2009-02-25 16:58     ` Zach Brown [this message]
2009-02-25 17:02       ` Nick Piggin
2009-02-25 22:35         ` Mark Fasheh
2009-02-25 16:48 ` Chris Mason
2009-02-26  9:20 ` Peter Zijlstra
2009-02-26 11:09   ` Nick Piggin
2009-03-01  8:17 ` Dave Chinner
2009-03-01 13:50   ` Nick Piggin
2009-03-02  8:19     ` Dave Chinner
2009-03-02  8:37       ` Nick Piggin
2009-03-02 15:26         ` jim owens
2009-03-03  4:33           ` Nick Piggin
2009-03-03 17:25             ` Jamie Lokier
2009-03-04  4:37               ` Dave Chinner
2009-03-04  9:23               ` Nick Piggin
2009-03-04 18:13                 ` Jamie Lokier

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