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Date:   Wed, 28 Mar 2018 10:06:46 +0200
From:   Christoph Hellwig <hch@lst.de>
To:     Baegjae Sung <baegjae@gmail.com>
Cc:     keith.busch@intel.com, axboe@fb.com, hch@lst.de, sagi@grimberg.me,
        linux-nvme@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] nvme-multipath: implement active-active round-robin
        path selector
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For PCIe devices the right policy is not a round robin but to use
the pcie device closer to the node.  I did a prototype for that
long ago and the concept can work.  Can you look into that and
also make that policy used automatically for PCIe devices?