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

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Message-ID: <20200929102046.GA14445@lst.de>
Date:   Tue, 29 Sep 2020 12:20:46 +0200
From:   Christoph Hellwig <hch@....de>
To:     Leon Romanovsky <leon@...nel.org>
Cc:     Doug Ledford <dledford@...hat.com>,
        Jason Gunthorpe <jgg@...dia.com>, Jens Axboe <axboe@...nel.dk>,
        Keith Busch <kbusch@...nel.org>,
        Leon Romanovsky <leonro@...dia.com>,
        Christoph Hellwig <hch@....de>, linux-block@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-nvme@...ts.infradead.org,
        linux-rdma@...r.kernel.org, Sagi Grimberg <sagi@...mberg.me>
Subject: Re: [PATCH blk-next 1/2] blk-mq-rdma: Delete not-used multi-queue
 RDMA map queue code

On Tue, Sep 29, 2020 at 12:13:57PM +0300, Leon Romanovsky wrote:
> From: Leon Romanovsky <leonro@...dia.com>
> 
> 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@...dia.com>

So you guys totally broken the nvme queue assignment without even
telling anyone?  Great job!