[Pvfs2-developers] Re: kern mod buffer mapping

[Murali Vilayannur]

Hi Pete,
thanks for trying it out!

> This approach with CTL_UNNUMBERED.  Does that work with old kernels
> too, do you know?

Sorry about that. I just assumed it would work on older kernels.
It apparently breaks the build or the pvfs2 proc entry nodes dont show up.

> And why did you do HAVE_KMEM_CACHE_CREATE_OLD_CTOR and
> HAVE_KMEM_CACHE_CREATE_NEW_CTOR tests separately?  Are you just
> trying to future-proof against yet another change on the ctor
> function signature?

yeah.. that was the intention :)

> Why #error in the C file---you can just bail in
> configure?

hehe.. It did not cross my mind :)
Good point.Updated diffs here.
There are a few bonus cleanups and fixes for the build and configure
time checks.

Can you check if on the newer kernels the /proc/sys/pvfs2 hierarchy is
still created?
I dont have a new kernel handy to test this out.
thanks,
Murali
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