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Drop ext3 driver and use ext4 kernel driver only

Feature state

openSUSE Distribution
Done
openSUSE-11.3
Rejected Information

Description

Per Ted Ts'o (the ext4 maintainer:

"Ext4 is format compatible with ext3, and with the proper kernel
configuration options, starting with 2.6.33, it's possible to
seemlessly allow people who use "mount -t ext3 /dev/sda1 /u1" to have
/dev/sda1 mounted using the ext4 file system driver.  So we even have
a way that we can seemlessly upgrade existing userspace setups to
using ext4 without having to make any system configuration changes
(except installing a new kernel, of course)."

Thus it may make sense to drop the ext3 driver from OS 11.3

I'm not sure how useful it is to do, but ext4 is where the new development is taking place for both the kernel and userspace tools, so it seems it might be useful to switch everyone to ext4 userspace tools.

Discussion


icons/user_comment.png G. F. wrote: (7 years ago)

I was looking into this a little more and it turns out ext2 / ext3 / ext4 all share the same userspace tools.

So this only comes down to the ext2 and ext3 kernel modules.

icons/user_comment.png J. E. wrote: (7 years ago)

CONFIG_EXT4_USE_FOR_EXT23 is enabled in contemporary jng kernels for many months already. I say yes!

icons/user_comment.png A. J. wrote: (6 years ago)

Indeed done for 12.1:
commit 2601b15ce15ba8438bec61c7276cd01dbd2f4dc1
Author: Jan Kara <jack@suse.cz>
Date: Sat Apr 16 00:31:11 2011 +0200

- Disable ext2, use ext4 instead as a driver
- Update config files.

Last change: 5 years ago
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