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Old 12-15-2009, 12:27 AM   #1
coffeecoffee
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[SOLVED] Patching kernel source, cannot find in make menuconfig (unionfs)


Hi

I need UnionFS support in my kernel. So I downloaded the .diff patch from the website (aligned for the same kernel number) and did
Code:
patch -p1 << xyz.diff
The whole process seemed to work, with no error messages displayed, and new code for unionfs in the /usr/src/linux/fs directory.

However, when I run make menuconfig, I do not see the new unionfs option. So I tried make oldconfig but it did not prompt for any new options... am I missing a step here?

Any help appreciated,
Thanks

Last edited by coffeecoffee; 12-20-2009 at 06:58 AM. Reason: solved
 
Old 12-15-2009, 03:44 AM   #2
GlennsPref
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Hi, It's possible your kernel already has the configuration applied, but maybe not selected.

Yes, I agree, make oldconfig should have offered the corrections, but if they are in there already, then you may need to carefully, go through the config.

Keep trying, there may be a package that needs updating, as well.

Regards Glenn

Last edited by GlennsPref; 12-15-2009 at 03:45 AM. Reason: spelling
 
Old 12-15-2009, 03:51 AM   #3
coffeecoffee
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Quote:
Originally Posted by GlennsPref View Post
Hi, It's possible your kernel already has the configuration applied, but maybe not selected.

Yes, I agree, make oldconfig should have offered the corrections, but if they are in there already, then you may need to carefully, go through the config.

Keep trying, there may be a package that needs updating, as well.

Regards Glenn
Thanks for the reply. The kernel I am using is a vanilla kernel, and unionFS definitely isn't part of the standard kernel yet. I did a search through the .config file but the CONFIG_UNION_FS is not found in there.. I think I am doing something wrong. Perhaps its because my kernel has r6 after the kernel version, maybe it is incompatible?
 
Old 12-15-2009, 03:58 AM   #4
GlennsPref
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If you are using, or wanting to use the latest kernel, then download it from here.

http://www.kernel.org/

It is vanilla, about 50Mb's and will contain the unionfs, (I've seen it mentioned in 2.6.3xxx)

But you're probably better to wait till your repo comes up with a version that fits.

The problem with most distros now, is they don't keep track of source installs.

That can cause problems later.

Regards Glenn
 
Old 12-15-2009, 04:50 AM   #5
coffeecoffee
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Quote:
Originally Posted by GlennsPref View Post
If you are using, or wanting to use the latest kernel, then download it from here.

http://www.kernel.org/

It is vanilla, about 50Mb's and will contain the unionfs, (I've seen it mentioned in 2.6.3xxx)

But you're probably better to wait till your repo comes up with a version that fits.

The problem with most distros now, is they don't keep track of source installs.

That can cause problems later.

Regards Glenn
Thanks, however unfortunately unionfs is not included with any standard Linux kernel yet, even the latest. The only way to use unionfs is to patch your existing kernel, or download an already patched one. :/
 
Old 12-15-2009, 05:10 AM   #6
GlennsPref
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Fair enough, patch it and see

if you use make xconfig it should be ,,,, available
 
Old 12-15-2009, 05:59 AM   #7
~sHyLoCk~
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Check if your distro has unionfs modules in their repo. Many do. Like Arch.
Also read this nice guide: http://www.linuxchix.org/content/cou...acking/lesson9
 
Old 12-15-2009, 06:28 AM   #8
coffeecoffee
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Quote:
Originally Posted by ~sHyLoCk~ View Post
Check if your distro has unionfs modules in their repo. Many do. Like Arch.
Also read this nice guide: http://www.linuxchix.org/content/cou...acking/lesson9
Good idea, I will check, thanks!
 
Old 12-15-2009, 04:30 PM   #9
coffeecoffee
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figured it out guys: you need to enable config_experimental to be able to see experimental patches like unionfs!!
 
Old 12-16-2009, 07:56 AM   #10
GlennsPref
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Glad you found it, I have been scratching myself trying to figure why it is sooo difficult.

Cheers, Glenn, and thanks for the solution.

Please mark your thread as "Solved"

Last edited by GlennsPref; 12-16-2009 at 07:59 AM.
 
  


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