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From: keith.busch@linux.intel.com (Keith Busch)
Subject: [PATCH] nvme: take node locality into account when selecting a path
Date: Fri, 28 Sep 2018 08:12:57 -0600	[thread overview]
Message-ID: <20180928141256.GA21979@localhost.localdomain> (raw)
In-Reply-To: <20180927230557.29444-1-hch@lst.de>

On Thu, Sep 27, 2018@04:05:57PM -0700, Christoph Hellwig wrote:
> Make current_path an array with an entry for every possible node, and
> cache the best path on a per-node basis.  Take the node distance into
> account when selecting it.  This is primarily useful for dual-ported PCIe
> devices which are connected to PCIe root ports on different sockets.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>

Looks great!

Reviewed-by: Keith Busch <keith.busch at intel.com>

  reply	other threads:[~2018-09-28 14:12 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-27 23:05 [PATCH] nvme: take node locality into account when selecting a path Christoph Hellwig
2018-09-28 14:12 ` Keith Busch [this message]
2018-09-28 22:31 ` Sagi Grimberg
2018-09-30 23:01   ` Christoph Hellwig
2018-10-01 19:45     ` Sagi Grimberg
2018-10-02 17:30       ` Hannes Reinecke
2018-10-02 17:39         ` Christoph Hellwig
2018-10-03  8:56           ` Hannes Reinecke
2018-10-03 12:43             ` Christoph Hellwig
2018-10-04  1:30             ` Sagi Grimberg
2018-10-04 15:40               ` Hannes Reinecke
2018-09-29 12:09 ` Hannes Reinecke
2018-09-30 22:59   ` Christoph Hellwig

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