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Date:	Wed, 26 Sep 2012 13:26:14 +0800
From:	Kevin Liao <>
To:	"Theodore Ts'o" <>
Cc:	Tao Ma <>,
Subject: Re: [PATCH] ext4: Only call update_backups if necessary in online resize.

2012/9/26 Theodore Ts'o <>
> On Wed, Sep 26, 2012 at 11:51:01AM +0800, Tao Ma wrote:
> > Why?  If it isn't the same as the previous one, it will be updated. If
> > it is the same, it don't need to be updated. I don't see what your mean
> > here.
> Oh, I see; sorry, I was just looking at the patch and not the file
> with the changes in context.  I thought you were updating the backup
> descriptors after modifying the last block group in the meta_bg group,
> but that was my confusion.
> Yes, your patch looks good and I will apply it, thanks!!
>                                       - Ted

Hi Ted,

Is this patch should be merged with your previous patches about meta_bg
online resize on 9/14?

[PATCH 2/9] avoid duplicate writes of the backup bg descriptor blocks
[PATCH 5/9] add online resizing support for meta_bg and 64-bit file systems

Kevin Liao
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