* Re: [PATCH RFC] ext3 data=guarded v3
[not found] ` <alpine.LFD.2.00.0904151333020.4042@localhost.localdomain>
@ 2009-04-16 18:09 ` Nick Piggin
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From: Nick Piggin @ 2009-04-16 18:09 UTC (permalink / raw)
To: Linus Torvalds, linux-fsdevel
Cc: Chris Mason, Jan Kara, Theodore Ts'o,
Linux Kernel Developers List, Ext4 Developers List
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.
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2009-04-16 18:09 ` [PATCH RFC] ext3 data=guarded v3 Nick Piggin
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