remote devices

riya khanna riyakhanna1983 at gmail.com
Mon Jun 2 22:12:47 EDT 2014


Hi Pranay,

Thanks for pointing this out! I was wondering if it is possible to use
a remote GPU through /dev/gpu.

-Riya

On Sat, May 31, 2014 at 11:35 PM, Pranay Srivastava <pranjas at gmail.com> wrote:
> Hi Riya,
>
> It's actually not the major and minor numbers, sure they decide the
> driver and the device but when it comes to read/write you actually
> have file_operations. So I digged around a bit and this is the one you
> should look into,
>
> nfs_fhget
>
> If you see at the end where it installs the inode->i_op and
> inode->fop, the device files are initialized just like as if they were
> on the NFS client machine itself. NFS operations are not used to
> override device files here. How about using iSCSI and all for devices?
>
> Maybe you can tell something more about what you are trying to do?
>
> Regards,
>
> On Thu, May 29, 2014 at 10:53 PM, riya khanna <riyakhanna1983 at gmail.com> wrote:
>> Hi,
>>
>> I'm trying to access remote devices locally by mounting/exporting /dev nodes
>> over NFS. However, looks like the access requests are treated local based on
>> major minor numbers (e.g. "cat /mnt-dev-over-nfs/kmg" output is same as "cat
>> /dev/kmsg")
>>
>> How can I change this behavior? and if it is at all feasible?
>>
>> Thanks,
>> Riya
>>
>>
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>
>
>
> --
>         ---P.K.S



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