From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Chuck Lever <chuck.lever-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
Cc: Steve Wise
<swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>,
"Amrani,
Ram" <Ram.Amrani-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org>,
"Elior,
Ariel" <Ariel.Elior-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org>,
"Kalderon,
Michal" <Michal.Kalderon-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org>,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Hariprasad S <hariprasad-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org>,
Faisal Latif
<faisal.latif-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Subject: Re: NFSoRDMA Fails for max_sge Less Than 18
Date: Wed, 11 Jan 2017 14:11:23 -0700 [thread overview]
Message-ID: <20170111211123.GD28917@obsidianresearch.com> (raw)
In-Reply-To: <28B0D906-7BDB-4B87-94E9-6BE263BFBFF7-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
On Wed, Jan 11, 2017 at 02:40:37PM -0500, Chuck Lever wrote:
> It might be cool to have an API similar to rdma_rw that allows ULPs
> to use a scatterlist for Send and Receive operations. It could hide
> the driver and device maximum SGE values.
That would be good, it could bounce buffer, build temporary MRs,
or repeat RDMA WRITE/READ as appropriate..
The ULP really is not the right place to put this trade off logic
since it will be very device specific..
Jason
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2017-01-11 21:11 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-01-11 7:41 NFSoRDMA Fails for max_sge Less Than 18 Amrani, Ram
[not found] ` <SN1PR07MB2207F28F05DC6E22B03CC516F8660-mikhvbZlbf8TSoR2DauN2+FPX92sqiQdvxpqHgZTriW3zl9H0oFU5g@public.gmane.org>
2017-01-11 16:38 ` Chuck Lever
[not found] ` <FE817A76-28A7-4AEC-AF1E-01DE15790E43-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2017-01-11 17:04 ` Steve Wise
2017-01-11 19:40 ` Chuck Lever
[not found] ` <28B0D906-7BDB-4B87-94E9-6BE263BFBFF7-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2017-01-11 19:53 ` Steve Wise
2017-01-11 20:09 ` Chuck Lever
[not found] ` <383D1FFB-346B-40E9-A174-606F13AFF849-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2017-01-11 20:18 ` Steve Wise
2017-01-11 20:35 ` Chuck Lever
[not found] ` <A7A39994-66C6-4467-837B-288348C0CC53-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2017-01-13 22:42 ` Steve Wise
2017-01-13 22:43 ` Chuck Lever
[not found] ` <906A1B75-67E9-4D10-AD87-18F694F54818-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org>
2017-01-13 22:45 ` Steve Wise
2017-01-19 17:19 ` Amrani, Ram
2017-01-11 21:11 ` Jason Gunthorpe [this message]
[not found] ` <20170111211123.GD28917-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-01-11 21:15 ` Steve Wise
2017-01-11 21:34 ` Jason Gunthorpe
[not found] ` <20170111213416.GA30681-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
2017-01-11 21:48 ` Steve Wise
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=20170111211123.GD28917@obsidianresearch.com \
--to=jgunthorpe-epgobjl8dl3ta4ec/59zmfatqe2ktcn/@public.gmane.org \
--cc=Ariel.Elior-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org \
--cc=Michal.Kalderon-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org \
--cc=Ram.Amrani-YGCgFSpz5w/QT0dZR+AlfA@public.gmane.org \
--cc=chuck.lever-QHcLZuEGTsvQT0dZR+AlfA@public.gmane.org \
--cc=dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org \
--cc=faisal.latif-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org \
--cc=hariprasad-ut6Up61K2wZBDgjK7y7TUQ@public.gmane.org \
--cc=linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
--cc=swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.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.