From: hch@lst.de (Christoph Hellwig)
Subject: [PATCH v2 3/4] nvme: enable SG gaps support
Date: Fri, 21 Apr 2017 08:44:27 +0200 [thread overview]
Message-ID: <20170421064427.GB6095@lst.de> (raw)
In-Reply-To: <2bd673ee-8455-32b7-1bad-34fa9eebb076@grimberg.me>
On Thu, Apr 20, 2017@02:27:59PM +0300, Sagi Grimberg wrote:
> I think it would be better if the ctrl will hold a virt_boundary
> provided by the fabric driver? Then we would always
> blk_queue_virt_boundary but with capable devices the fabric driver
> can set it to 0. This will also allow for dword aligned sgls to
> fit in pretty easily.
All our block I/O must be cache line aligned, so dword aligned SGLs
should not be an issue. And for PRPs or MRs we'll always use the
host page size.
But I don't think I really care in the end..
next prev parent reply other threads:[~2017-04-21 6:44 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-13 15:56 [PATCH v2 0/4] arbitrary sg lists support Max Gurtovoy
2017-04-13 15:56 ` [PATCH v2 1/4] IB/core: Add inline function to get sg mr type Max Gurtovoy
2017-04-20 11:24 ` Sagi Grimberg
2017-04-13 15:56 ` [PATCH v2 2/4] IB/iser: Use ib_get_sg_mr_type() helper Max Gurtovoy
2017-04-13 15:56 ` [PATCH v2 3/4] nvme: enable SG gaps support Max Gurtovoy
2017-04-20 11:27 ` Sagi Grimberg
2017-04-21 6:44 ` Christoph Hellwig [this message]
2017-04-23 7:20 ` Sagi Grimberg
2017-04-23 8:45 ` Christoph Hellwig
2017-04-23 9:45 ` Sagi Grimberg
2017-04-23 13:23 ` Max Gurtovoy
2017-04-24 7:02 ` Christoph Hellwig
2017-04-13 15:56 ` [PATCH v2 4/4] nvme-rdma: add support for arbitrary sg lists mapping Max Gurtovoy
2017-04-13 16:31 ` [PATCH v2 0/4] arbitrary sg lists support Bart Van Assche
2017-04-13 16:46 ` Max Gurtovoy
2017-04-13 16:59 ` Laurence Oberman
2017-04-20 11:30 ` Sagi Grimberg
2017-04-23 10:34 ` Leon Romanovsky
2017-04-23 11:49 ` Sagi Grimberg
2017-04-23 12:12 ` Leon Romanovsky
2017-04-23 12:28 ` Sagi Grimberg
2017-04-23 13:35 ` Max Gurtovoy
2017-04-23 14:35 ` Sagi Grimberg
2017-05-01 18:50 ` Doug Ledford
2017-05-02 16:14 ` Max Gurtovoy
2017-05-02 16:39 ` Laurence Oberman
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