From: Nick Piggin <nickpiggin@yahoo.com.au>
To: Linus Torvalds <torvalds@linux-foundation.org>,
linux-fsdevel@vger.kernel.org
Cc: Chris Mason <chris.mason@oracle.com>, Jan Kara <jack@suse.cz>,
"Theodore Ts'o" <tytso@mit.edu>,
Linux Kernel Developers List <linux-kernel@vger.kernel.org>,
Ext4 Developers List <linux-ext4@vger.kernel.org>
Subject: Re: [PATCH RFC] ext3 data=guarded v3
Date: Fri, 17 Apr 2009 04:09:01 +1000 [thread overview]
Message-ID: <200904170409.02222.nickpiggin@yahoo.com.au> (raw)
In-Reply-To: <alpine.LFD.2.00.0904151333020.4042@localhost.localdomain>
On Thursday 16 April 2009 06:35:23 Linus Torvalds wrote:
>
> On Wed, 15 Apr 2009, Chris Mason wrote:
> >
> > Here is another version of the data=guarded work for ext3. The main
> > difference between this code and yesterday's is the guarded writepage
> > function now sends any newly allocated block through the old data=ordered code.
>
> I'm inclined to apply the first two patches as infrastructure, since they
> seem to make sense regardless of data=ordered. The ability to get a
> callback when IO ends sounds like something that a number of cases might
> find intriguing, and it's obviously how the actual IO has worked
> internally anyway.
>
> Comments?
I think also fscache really should be using proper read completed notifications
rather than hijacking the page lock waitqueue for this.
parent reply other threads:[~2009-04-16 18:09 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <alpine.LFD.2.00.0904151333020.4042@localhost.localdomain>]
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