Re: Bug#718548: bcache in D-I

[Samuel Thibault]

Ben Hutchings, on ven. 17 févr. 2017 02:30:58 +, wrote:
> On Sat, 2017-02-04 at 05:47 +0100, Cyril Brulebois wrote:
> > It would probably make sense to turn this into a wishlist bug report
> > against src:linux so that we get an extra udeb to be used in expert mode
> > indeed. I'm not sure anyone is going to do more integration work on the
> > d-i side, so we could probably just reassign this bug report to
> > src:linux?
> 
> I'll add bcache to md-modules, as it seems to belong there (source is
> even under drivers/md).

Ah, good thing indeed :)

Samuel

Re: Bug#718548: bcache in D-I

[Ben Hutchings]

On Sat, 2017-02-04 at 05:47 +0100, Cyril Brulebois wrote:
> Hi debian-kernel,
>
> Samuel Thibault  (2015-01-20):
[...]
> > The module is not so small (354K here), so I guess this should be
> > shipped in a separate udeb to avoid filling initrds.  This udeb would
> > then be available among others in the expert-mode d-i component list.

I don't like to add more udebs... we still have too many of them, in my
opinion.

> > Perhaps it could be auto-loaded at partman stage, but at least making it
> > available would be way more convenient than fetching it by hand.
> > 
> > Ben, Bastian, do you think it could be added for Jessie?

For jessie, I think not.

> It would probably make sense to turn this into a wishlist bug report
> against src:linux so that we get an extra udeb to be used in expert mode
> indeed. I'm not sure anyone is going to do more integration work on the
> d-i side, so we could probably just reassign this bug report to
> src:linux?

I'll add bcache to md-modules, as it seems to belong there (source is
even under drivers/md).

Ben.

-- 
Ben Hutchings
Any sufficiently advanced bug is indistinguishable from a feature.



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Re: Bug#718548: bcache in D-I

[Cyril Brulebois]

Hi debian-kernel,

Samuel Thibault  (2015-01-20):
> Andreas Kloeckner, le Wed 07 Jan 2015 11:44:14 -0600, a écrit :
> > Samuel Thibault  writes:
> > > Andreas Kloeckner, le Wed 07 Jan 2015 09:59:58 -0600, a écrit :
> > >> It's true that bcache is in the full kernel image package, but bcache.ko
> > >> is *not* available in D-I (without extracting the kernel package,
> > >> manually finding the .ko, insmod, ...). I would like to suggest that at
> > >> least bcache.ko be included in the installer image, so that this
> > >> annoying charade can be avoided.
> > >
> > > Will it be useful at all since bcache-tools is not available?
> > 
> > Yes, since all you need to get a preexisting bcache volume up and
> > running is:
> > 
> > modprobe bcache
> > echo /dev/sdb > /sys/fs/bcache/register
> > echo /dev/sdc > /sys/fs/bcache/register
> 
> Ok, it looks nice enough indeed.
> 
> The module is not so small (354K here), so I guess this should be
> shipped in a separate udeb to avoid filling initrds.  This udeb would
> then be available among others in the expert-mode d-i component list.
> Perhaps it could be auto-loaded at partman stage, but at least making it
> available would be way more convenient than fetching it by hand.
> 
> Ben, Bastian, do you think it could be added for Jessie?

It would probably make sense to turn this into a wishlist bug report
against src:linux so that we get an extra udeb to be used in expert mode
indeed. I'm not sure anyone is going to do more integration work on the
d-i side, so we could probably just reassign this bug report to
src:linux?


KiBi.


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Re: Bug#718548: bcache in D-I

[Samuel Thibault]

Andreas Kloeckner, le Wed 07 Jan 2015 11:44:14 -0600, a écrit :
 Samuel Thibault sthiba...@debian.org writes:
  Andreas Kloeckner, le Wed 07 Jan 2015 09:59:58 -0600, a écrit :
  It's true that bcache is in the full kernel image package, but bcache.ko
  is *not* available in D-I (without extracting the kernel package,
  manually finding the .ko, insmod, ...). I would like to suggest that at
  least bcache.ko be included in the installer image, so that this
  annoying charade can be avoided.
 
  Will it be useful at all since bcache-tools is not available?
 
 Yes, since all you need to get a preexisting bcache volume up and
 running is:
 
 modprobe bcache
 echo /dev/sdb  /sys/fs/bcache/register
 echo /dev/sdc  /sys/fs/bcache/register

Ok, it looks nice enough indeed.

The module is not so small (354K here), so I guess this should be
shipped in a separate udeb to avoid filling initrds.  This udeb would
then be available among others in the expert-mode d-i component list.
Perhaps it could be auto-loaded at partman stage, but at least making it
available would be way more convenient than fetching it by hand.

Ben, Bastian, do you think it could be added for Jessie?

Samuel


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