Kernels and MD versions (was: md: Introduction - raid5 reshape mark-2)

[Patrik Jonsson <patrik@ucolick.org>]

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Neil Brown wrote:
> I always make them against the latest -mm kernel, so that would be a
> good place to start.  However things change quickly and I can't
> promise it will apply against whatever is the 'latest' today.
> 
> If you would like to nominate a particular recent kernel, I'll create
> a patch set that is guaranteed to apply against that. (Testing is
> always appreciated, and well worth that small effort on my part).

I find this is a major problem for me, too. Even though I try to stay up
to date with the md developments, I have a hard time piecing together
which past patches went with which version, so if I get a recent version
I don't know which patches need to be applied and which are already in
there.

My suggestion is that Neil, should he be willing, keep a log somewhere
which detail kernel version and what major updates in md functionality
go along with it. Something like
2.6.14         raid5 read error correction
2.6.15         md /sys interface
2.6.16.rc1     raid5 reshape
2.6.16.rc2-mm4 something else cool

it would include the released kernels and the previews of the current
kernel. That way, say I see that the latest FC4 kernel is 2.6.14, I
could look and see that since the raid5 read error correction was
included, I don't have to go looking for the patches.

Maybe this is too much hassle (or maybe it's already out there
somewhere) but I'm thinking simple, and I think it would give a
high-level overview of the development for us who are not intimately
involved in every kernel version.

Regards,

/Patrik

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