From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: Sagi Grimberg <sagig@dev.mellanox.co.il>
Cc: Steve Wise <swise@opengridcomputing.com>,
dledford@redhat.com, infinipath@intel.com, sagig@mellanox.com,
ogerlitz@mellanox.com, roid@mellanox.com,
linux-rdma@vger.kernel.org, eli@mellanox.com,
target-devel@vger.kernel.org, linux-nfs@vger.kernel.org,
bfields@fieldses.org
Subject: Re: [PATCH V6 9/9] isert: Support iWARP transports using FRMRs
Date: Mon, 27 Jul 2015 11:07:46 -0600 [thread overview]
Message-ID: <20150727170746.GB18348@obsidianresearch.com> (raw)
In-Reply-To: <55B4B510.8050106@dev.mellanox.co.il>
On Sun, Jul 26, 2015 at 01:23:12PM +0300, Sagi Grimberg wrote:
> Question though, wouldn't it be better to do a single RDMA_READ to say
> 4 registered keys rather than RDMA_READ_WITH_INV for each?
RDMA READ is limted to 1 sg in iWarp.
RDMA_READ_WITH_INV and 1 sg is really the only correct way to drive
iWarp.
Jason
prev parent reply other threads:[~2015-07-27 17:07 UTC|newest]
Thread overview: 76+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-24 16:18 [PATCH V6 0/9] iSER support for iWARP Steve Wise
2015-07-24 16:18 ` Steve Wise
[not found] ` <20150724161331.25617.8475.stgit-PBeJgSbIpn97NCTnQtmixQ@public.gmane.org>
2015-07-24 16:18 ` [PATCH V6 1/9] RDMA/iser: Limit sg tablesize and max_sectors to device fastreg max depth Steve Wise
2015-07-24 16:18 ` Steve Wise
[not found] ` <20150724161820.25617.63886.stgit-PBeJgSbIpn97NCTnQtmixQ@public.gmane.org>
2015-07-24 16:41 ` Jason Gunthorpe
2015-07-24 16:41 ` Jason Gunthorpe
2015-07-24 18:40 ` Steve Wise
2015-07-24 18:40 ` Steve Wise
2015-07-24 19:14 ` Jason Gunthorpe
2015-07-26 9:58 ` Sagi Grimberg
2015-07-26 9:57 ` Sagi Grimberg
2015-07-26 9:57 ` Sagi Grimberg
2015-07-24 16:18 ` [PATCH V6 2/9] mlx4, mlx5, mthca: Expose max_sge_rd correctly Steve Wise
2015-07-24 16:18 ` Steve Wise
2015-07-24 16:18 ` [PATCH V6 3/9] ipath,qib: " Steve Wise
2015-07-24 16:18 ` Steve Wise
2015-07-24 16:18 ` [PATCH V6 4/9] svcrdma: Use max_sge_rd for destination read depths Steve Wise
2015-07-24 16:18 ` Steve Wise
[not found] ` <20150724161837.25617.48584.stgit-PBeJgSbIpn97NCTnQtmixQ@public.gmane.org>
2015-07-24 18:51 ` Steve Wise
2015-07-24 18:51 ` Steve Wise
2015-07-26 9:58 ` Sagi Grimberg
[not found] ` <55B4AF63.3040108-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-07-26 10:42 ` Christoph Hellwig
2015-07-26 10:42 ` Christoph Hellwig
2015-07-24 16:18 ` [PATCH V6 6/9] isert: Rename IO functions to more descriptive names Steve Wise
2015-07-24 16:18 ` Steve Wise
[not found] ` <20150724161848.25617.26092.stgit-PBeJgSbIpn97NCTnQtmixQ@public.gmane.org>
2015-07-26 10:08 ` Sagi Grimberg
2015-07-26 10:08 ` Sagi Grimberg
[not found] ` <55B4B190.7070305-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-07-26 10:43 ` Christoph Hellwig
2015-07-26 10:43 ` Christoph Hellwig
[not found] ` <20150726104328.GB18944-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>
2015-07-26 11:00 ` Sagi Grimberg
2015-07-26 11:00 ` Sagi Grimberg
2015-07-26 15:53 ` Christoph Hellwig
2015-07-26 16:44 ` Sagi Grimberg
[not found] ` <55B4BDE3.8040801-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-07-26 17:32 ` Steve Wise
2015-07-26 17:32 ` Steve Wise
2015-07-26 17:40 ` Sagi Grimberg
[not found] ` <55B51B7A.8030008-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-07-26 20:15 ` Steve Wise
2015-07-26 20:15 ` Steve Wise
2015-07-26 20:17 ` Steve Wise
2015-07-26 20:17 ` Steve Wise
[not found] ` <55B5404F.5040404-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>
2015-07-27 21:45 ` Steve Wise
2015-07-27 21:45 ` Steve Wise
2015-08-03 19:32 ` Steve Wise
2015-08-03 19:32 ` Steve Wise
2015-08-04 17:26 ` Sagi Grimberg
[not found] ` <55C0F5B7.4040100-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-08-04 17:44 ` Steve Wise
2015-08-04 17:44 ` Steve Wise
2015-08-05 21:23 ` Steve Wise
2015-08-05 21:23 ` Steve Wise
2015-08-06 15:37 ` Sagi Grimberg
2015-08-06 15:37 ` Sagi Grimberg
[not found] ` <55C37F43.6080106-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2015-08-12 22:15 ` Steve Wise
2015-08-12 22:15 ` Steve Wise
2015-08-13 13:09 ` Sagi Grimberg
2015-07-24 16:18 ` [PATCH V6 5/9] RDMA/isert: Limit read depth based on the device max_sge_rd capability Steve Wise
2015-07-24 16:18 ` [PATCH V6 7/9] isert: Use the device's max fastreg page list depth Steve Wise
2015-07-24 16:18 ` [PATCH V6 8/9] isert: Use local_dma_lkey whenever possible Steve Wise
[not found] ` <20150724161859.25617.17286.stgit-PBeJgSbIpn97NCTnQtmixQ@public.gmane.org>
2015-07-24 16:49 ` Jason Gunthorpe
2015-07-24 16:49 ` Jason Gunthorpe
[not found] ` <20150724164909.GB25480-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-07-24 18:41 ` Steve Wise
2015-07-24 18:41 ` Steve Wise
2015-07-24 16:19 ` [PATCH V6 9/9] isert: Support iWARP transports using FRMRs Steve Wise
2015-07-24 16:57 ` Jason Gunthorpe
2015-07-24 18:48 ` Steve Wise
2015-07-24 18:48 ` Steve Wise
2015-07-24 19:24 ` Jason Gunthorpe
2015-07-24 19:24 ` Jason Gunthorpe
2015-07-24 19:57 ` Steve Wise
2015-07-24 19:57 ` Steve Wise
2015-07-24 22:11 ` Steve Wise
2015-07-24 22:11 ` Steve Wise
2015-07-24 22:38 ` Jason Gunthorpe
2015-07-24 22:38 ` Jason Gunthorpe
[not found] ` <20150724192411.GC26225-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2015-07-26 10:23 ` Sagi Grimberg
2015-07-26 10:23 ` Sagi Grimberg
2015-07-27 17:07 ` Jason Gunthorpe [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20150727170746.GB18348@obsidianresearch.com \
--to=jgunthorpe@obsidianresearch.com \
--cc=bfields@fieldses.org \
--cc=dledford@redhat.com \
--cc=eli@mellanox.com \
--cc=infinipath@intel.com \
--cc=linux-nfs@vger.kernel.org \
--cc=linux-rdma@vger.kernel.org \
--cc=ogerlitz@mellanox.com \
--cc=roid@mellanox.com \
--cc=sagig@dev.mellanox.co.il \
--cc=sagig@mellanox.com \
--cc=swise@opengridcomputing.com \
--cc=target-devel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.