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Date:	Sat, 9 Apr 2011 23:50:17 +0200
From:	Santiago Garcia Mantinan <>
Subject: flex_bg with tune2fs posible?


I had converted an ext3 filesystem to ext4 long ago but comparing it's
features with the ones found on a newly formatted ext4 filesystem I found
that I had these features missing:
flex_bg huge_file dir_nlink extra_isize

Current doc at says: "There are additional ext4
features, such as flex_bg and > 16TB filesystem support that can only
be enabled at format time via mke2fs."

I did activate all these 4 without any problem (2.6.38 with 1.41.12
e2fsprogs) is the doc old and doesn't reflect that this is now possible?

Or have I done something I'll regret?

So far the filesystem seems ok (e2fsck doesn't detect any problems) and
files seem ok as well.

Manty/BestiaTester ->
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