Work in progress SMB-Direct driver for the linux kernel

Steve French smfrench at
Wed Apr 4 20:16:47 UTC 2018

On Wed, Apr 4, 2018 at 9:30 AM, Stefan Metzmacher <metze at> wrote:
>> I agree that implementing SMB Direct in your userspace SMB3 daemon
>> may be problematic. But what of the existing SMB Direct code in the
>> CIFS kernel client? How will that coexist going forward?
> I'm not sure, the most important thing is that it's already in the
> upstream kernel and seems to work quite good.
> Once I have smbd and smbclient working with RDMA read/write, we can
> think about merging things together in the kernel.
> The good thing would be that we can easily compare my code with the
> existing code. And merging makes only sense if my code won't be slower.

Hopefully we can find a reasonable way to leverage some common code
between your prototype and Long Li's work on smbd in cifs.ko

If any minor code rearrangement, cleanup can help enable this, don't mind
considering those patches even before your prototype is ready to merge.



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