Linking GPL3 code with IPL? (Was: afs_syscall (Samba as a client of OpenAFS))

Gémes Géza geza at
Mon Oct 6 19:37:53 GMT 2008

Volker Lendecke írta:
> On Mon, Oct 06, 2008 at 09:25:04PM +0200, Gémes Géza wrote:
>> Unfortunately this time it seems to be a lot harder, the main change
>> being at least to my understanding, the fact that the openafs kernel
>> module doesn't advertise its services as a system call, and thus we
>> cannot link with just libc code which calls into the kernel, but need to
>> explicitly use openafs calls for the same propose resulting in a need to
>> link to their code.
>> Hope is not lost totally yet as I've read about some work of developing
>> a GPL licensed kernel module, and then we could use some glue code from
>> there.
> While not having looked at AFS code, it must at the end come
> down to some syscall. Either an ioctl, a write call to some
> code in /proc/whatever, or something else. 99% the coding
> work is just setting up the right structures and make that
> call.
> Volker
Yes it does an ioctl to /proc/fs/openafs/......, but if I look at the
code my implementation can be GPL released?


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