Re: Ext4 tree backports for 2.6.27.13 and 2.6.28.2

[Fabio Comolli <fabio.comolli@gmail.com>]

Hi Ted.

On Tue, Mar 31, 2009 at 2:47 PM, Theodore Tso <tytso@mit.edu> wrote:
> On Tue, Mar 31, 2009 at 02:40:22PM +0200, Fabio Comolli wrote:
>> OK. Now I have on my box the 2.6.27.19 kernel. Do you mean that I have
>> to apply 19->20, 20->21 and then this patch?
>
> There are ext4-related fixes in the 19->20 patches.  There are no ext4
> related patches in 20->21, so whether or not you do this is optional
> (from the perspective of applying this patch).
>

OK

>> Then mount the fs as ext4dev?
>
> Yes, same as before.  I will note that there were some enhancements
> and some lower-priority bug fixes that don't get backported to 2.6.27
> series, since sometimes it is extremely difficult to backport things
> as far as 2.6.27.  So if your goal is to use this in production,
> 2.6.29 will almost certainly be a better bet.  The number of people
> who test the 2.6.27 backports of ext4 are also much smaller.  We
> provide it as a service those who for whatever reason refuse to update
> to newer kernels, but it's hard for me to offer guarantees.
>

Many thanks. I normally use 2.6.29 with ext4 but I just discovered a
bug that prevents me to use video acceleration. It seems that this was
introduced in the 2.6.28 series and 2.6.27.X don't have it.

> Best regards,
>
>                                        - Ted
>

Regards,
Fabio