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Subject: Re: [PATCH v9 07/13] block: Add PCI P2P flag for request queue and
 check support for requests
References: <20181004212747.6301-1-logang@deltatee.com>
 <20181004212747.6301-8-logang@deltatee.com>
From: Jens Axboe <axboe@kernel.dk>
Message-ID: <485de371-0e84-6f20-7f3b-cec5635b87fe@kernel.dk>
Date: Fri, 5 Oct 2018 19:16:04 -0600
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To: Logan Gunthorpe <logang@deltatee.com>, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-nvme@lists.infradead.org, linux-rdma@vger.kernel.org, linux-nvdimm@lists.01.org, linux-block@vger.kernel.org
Cc: =?UTF-8?Q?Christian_K=c3=b6nig?= <christian.koenig@amd.com>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Alex Williamson <alex.williamson@redhat.com>, =?UTF-8?B?SsOpcsO0bWUgR2xpc3Nl?= <jglisse@redhat.com>, Jason Gunthorpe <jgg@mellanox.com>, Bjorn Helgaas <bhelgaas@google.com>, Max Gurtovoy <maxg@mellanox.com>, Christoph Hellwig <hch@lst.de>
List-ID: <linux-nvdimm@lists.01.org>

On 10/4/18 3:27 PM, Logan Gunthorpe wrote:
> QUEUE_FLAG_PCI_P2P is introduced meaning a driver's request queue
> supports targeting P2P memory. This will be used by P2P providers and
> orchestrators (in subsequent patches) to ensure block devices can
> support P2P memory before submitting P2P backed pages to submit_bio().

Nit pick, but the subject line still says that it checks support
for requests. This patch just adds the ability to flag support
in the queue.

-- 
Jens Axboe

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