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Date: Mon, 3 Mar 2014 16:40:21 +0100 (CET)
From: Lukáš Czerner <lczerner@...hat.com>
To: "Theodore Ts'o" <tytso@....edu>
cc: Eryu Guan <guaneryu@...il.com>, linux-ext4@...r.kernel.org
Subject: Re: [PATCH] mke2fs: disable resize_inode feature if 64bit feature
is enabled
On Sun, 7 Jul 2013, Theodore Ts'o wrote:
> Date: Sun, 7 Jul 2013 11:41:40 -0400
> From: Theodore Ts'o <tytso@....edu>
> To: Eryu Guan <guaneryu@...il.com>, linux-ext4@...r.kernel.org
> Subject: Re: [PATCH] mke2fs: disable resize_inode feature if 64bit feature is
> enabled
Hi Ted,
are you going to take this in ?
Thanks!
-Lukas
>
> On Fri, Jul 05, 2013 at 09:21:28AM +0800, Zheng Liu wrote:
> > Do we really need to check it? My point is that we just clear
> > RESIZE_INODE flag if 64BIT flag is enabled.
>
> It's better to use the resize_inode for file systems that are smaller
> than 16TB, even if the 64-bit flag is enabled, since using the meta_bg
> style resizing spreads out the block group descriptors, which
> increases the time to mount the file system. Using the resize_inode
> will defer the need to go to the meta_bg-style resizing until we cross
> the 16TB boundary.
>
> Cheers,
>
> - Ted
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