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Re: [RFC] mke2fs with DIR_INDEX, RESIZE_INODE by default


 A stupid questions to ask: 

 How to turn on "resize_inode" feature for ext3 file
system created with old mke2fs?

  In Fedora Core 4 and Fedora Core 5 the new mke2fs
program creates file systems with "resize_inode"
feature on by default, but old file systems didn't
have the "resize_inode" feature which were created
with RH9 and Fedora core 1. 

 I can not run a "tune2fs -O resize_inode" to make old
file systems have the new feature after Linux OS
upgraded from Fedora Core 1 to Fedora Core 5, neither
can I re-create the file systems directly since I have
important data on them.

 If there is a tool to upgrade old ext3 file systems
so that they will also have "resize_inode" feature?


--- Theodore Ts'o <tytso mit edu> wrote:

> On Mon, Mar 20, 2006 at 04:58:57PM -0500, Stephen C.
> Tweedie wrote:
> > 
> > I think we're probably at the right point to do
> so.  Most people who are
> > most likely to be affected have a reasonably
> recent e2fsprogs now.  On
> > the Fedora side I'm seeing very few reports of
> people bitten by
> > e2fsprogs incompatibility, and more and more
> instances of people bitten
> > the other way by filesystems not performing as
> well as expected due to
> > missing dir_index flags.
> > 
> In case some people haven't noticed, a few days ago
> I released a new
> e2fsprogs release for e2fsprogs 1.39.  New in this
> release is a way
> for distributions and system administrators to
> control the default
> filesystem features via the /etc/mke2fs.conf file.  
> In the pre-release version, mke2fs is still using
> the same behaviour
> as before, but my plan is to change mke2fs to create
> filesystems with
> the dir_index and resize_inode features by default. 
> People who don't
> like this default can always edit mke2fs.conf and
> change things back.
> 						- Ted
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