Re: [PATCH blk-next 1/2] blk-mq-rdma: Delete not-used multi-queue RDMA map queue code

From: Leon Romanovsky
Date: Tue Sep 29 2020 - 06:35:56 EST


On Tue, Sep 29, 2020 at 12:20:46PM +0200, Christoph Hellwig wrote:
> On Tue, Sep 29, 2020 at 12:13:57PM +0300, Leon Romanovsky wrote:
> > From: Leon Romanovsky <leonro@xxxxxxxxxx>
> >
> > The RDMA vector affinity code is not backed up by any driver and always
> > returns NULL to every ib_get_vector_affinity() call.
> >
> > This means that blk_mq_rdma_map_queues() always takes fallback path.
> >
> > Fixes: 9afc97c29b03 ("mlx5: remove support for ib_get_vector_affinity")
> > Signed-off-by: Leon Romanovsky <leonro@xxxxxxxxxx>
>
> So you guys totally broken the nvme queue assignment without even
> telling anyone? Great job!

Who is "you guys" and it wasn't silent either? I'm sure that Sagi knows the craft.
https://lore.kernel.org/linux-rdma/20181224221606.GA25780@xxxxxxxx/

commit 759ace7832802eaefbca821b2b43a44ab896b449
Author: Sagi Grimberg <sagi@xxxxxxxxxxx>
Date: Thu Nov 1 13:08:07 2018 -0700

i40iw: remove support for ib_get_vector_affinity

....

commit 9afc97c29b032af9a4112c2f4a02d5313b4dc71f
Author: Sagi Grimberg <sagi@xxxxxxxxxxx>
Date: Thu Nov 1 09:13:12 2018 -0700

mlx5: remove support for ib_get_vector_affinity

Thanks