linux-ext4 - Re: [PATCH 7/7 v2] ext4: reclaim extents from extent status tree

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Message-ID: <20130121170937.GB15473@gmail.com>
Date:	Tue, 22 Jan 2013 01:09:37 +0800
From:	Zheng Liu <gnehzuil.liu@...il.com>
To:	Theodore Ts'o <tytso@....edu>
Cc:	linux-ext4@...r.kernel.org, Jan kara <jack@...e.cz>,
	Zheng Liu <wenqing.lz@...bao.com>
Subject: Re: [PATCH 7/7 v2] ext4: reclaim extents from extent status tree

On Mon, Jan 21, 2013 at 10:00:20AM -0500, Theodore Ts'o wrote:
> On Mon, Jan 21, 2013 at 03:24:43PM +0800, Zheng Liu wrote:
> > 
> > Do we need to CC' linux-fsdevel mailling list to let other folks review
> > this patch?
> 
> For this patch, yes.  And we'll need a commit description which
> explains why it's needed.  Since I wrote the patch, I'm happy to
> supply the commit description.  We can include it as a separate patch
> in your patch series, and I'll cc linux-fsdevel.

That would be great if you could give a commit description.

> 
> As Jan mentioned, the only other user of it is Dave Chinner for the
> XFS code, and I had alreday checked to make sure that it shouldn't
> affect him --- but it would be good to cc him so he's in the loop.

As I metioned at another mail, I will cc him.

> 
> Speaking of commit descriptions, I had made some other minor
> adjustments to some of the commits in your last version of the patch
> series, since I had already been assuming that I could take them until
> I saw the potential problems with the memory shrinker patch.  So you
> can just provide a new version of the memory shrinker patch --- or if
> you have other changes you want to make to the earlier patches in that
> patch series, let me know and I can extract out the various comments
> and whitespace fixes that from the patches I have in my private tree,
> so we can merge them with any additional updates to your patches.

Your meaning is that you have made some changes in my patches of extent
status tree, aren't you?  Now I have stashed es_status into es_pblk in
patch 3 (ext4: add physical block and status member into extent status
tree), and added a new patch that removes single extent cache.  I am
happy to merge your changes if you could give them to me.  Please let me
know if I could provide some helps.

Thanks,
                                                - Zheng
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