From: Peter Zijlstra <peterz@infradead.org>
To: Zach Brown <zach.brown@oracle.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
cmm@us.ibm.com, linux-fsdevel@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-ext4@vger.kernel.org,
Andy Whitcroft <apw@shadowen.org>
Subject: Re: [EXT4 set 5][PATCH 1/1] expand inode i_extra_isize to support features in larger inode
Date: Sun, 15 Jul 2007 12:21:21 +0200 [thread overview]
Message-ID: <1184494881.5284.92.camel@lappy> (raw)
In-Reply-To: <20070713214746.GH23255@mami.zabbo.net>
On Fri, 2007-07-13 at 14:47 -0700, Zach Brown wrote:
> Peter, do you have any interest in seeing how far we can get
> at tracking lock_page()? I'm not holding my breath, but any little bit
> would probably help.
I ran headfirst into the fact the unlock_page() need not be called by
the same task that did lock_page().
Esp IO-completion interrupts love to unlock pages they did not lock
themselves. Not at all sure that is fixable, it seems to be the nature
of the async structure of the problem :-(
next prev parent reply other threads:[~2007-07-15 10:21 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-01 7:38 [EXT4 set 5][PATCH 1/1] expand inode i_extra_isize to support features in larger inode Mingming Cao
2007-07-10 23:32 ` Andrew Morton
2007-07-11 12:10 ` Andreas Dilger
2007-07-11 17:34 ` Andrew Morton
2007-07-11 19:24 ` Kalpak Shah
2007-07-12 12:14 ` Kalpak Shah
2007-07-13 9:05 ` Andrew Morton
2007-07-13 13:33 ` Peter Zijlstra
2007-07-13 15:43 ` Andreas Dilger
2007-07-13 19:12 ` Andrew Morton
2007-07-13 21:47 ` Zach Brown
2007-07-14 7:43 ` Peter Zijlstra
2007-07-15 10:21 ` Peter Zijlstra [this message]
2007-07-15 13:02 ` Peter Zijlstra
2007-07-15 13:14 ` Peter Zijlstra
2007-07-15 18:11 ` Andrew Morton
2007-07-15 19:21 ` Peter Zijlstra
2007-07-15 19:59 ` Andrew Morton
2007-07-15 20:13 ` Peter Zijlstra
2007-07-13 16:12 ` Andreas Dilger
2007-07-16 23:52 ` Mingming Cao
2007-07-17 0:06 ` Andreas Dilger
2007-07-17 0:24 ` Mingming Cao
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