From: Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
To: Sagi Grimberg
<sagig-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>,
Bart Van Assche <bvanassche-HInyCGIudOg@public.gmane.org>,
Or Gerlitz <or.gerlitz-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
Roland Dreier <roland-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
Hefty Sean <sean.hefty-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>,
Sagi Grimberg <sagig-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Cc: linux-rdma <linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Mike Christie <michaelc-hcNo3dDEHLuVc3sceRu5cw@public.gmane.org>,
Oren Duer <oren-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Subject: Re: linux rdma 3.14 merge plans
Date: Wed, 29 Jan 2014 18:34:34 +0200 [thread overview]
Message-ID: <52E92D9A.70402@mellanox.com> (raw)
In-Reply-To: <52E91906.70802-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
On 29/01/2014 17:06, Sagi Grimberg wrote:
> Non-contiguous buffers are a well known problem/challenge for RDMA
> transports, each handles them differently: iSER uses bounce buffers,
> SRP registers multiple contiguous regions.
To be precise, we do it only on very special cases, normally the payload
**each** SCSI command of size > PAGE_SIZE is scattered between random
set of pages allocated by the kernel buffer cache and this set is mapped
through fast-reg or fmr mechanism to one RDMA virtual address.
Or.
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next prev parent reply other threads:[~2014-01-29 16:34 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-07 21:02 linux rdma 3.14 merge plans Or Gerlitz
[not found] ` <CAJZOPZ+4yQ-sT=ks7+eiJjkxOjy5w=BmG16JVcUPiuVsof7qEA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-01-08 0:51 ` Roland Dreier
[not found] ` <CAG4TOxOMmvFWnkU3DBn33rscEKh2_YfbUCKY=iY8PCVN3+nEsA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-01-08 8:52 ` Sagi Grimberg
2014-01-08 9:15 ` Or Gerlitz
2014-01-08 9:37 ` Or Gerlitz
[not found] ` <52CD1C68.4050406-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-01-13 20:32 ` Nicholas A. Bellinger
[not found] ` <1389645171.5567.459.camel-XoQW25Eq2zviZyQQd+hFbcojREIfoBdhmpATvIKMPHk@public.gmane.org>
2014-01-15 21:15 ` Nicholas A. Bellinger
[not found] ` <CAG4TOxNa32sLxifPx_f8sW04B_qSh01WWfWjRvam6fjvFLDXSQ@mail.gmail.com>
[not found] ` <CAG4TOxNa32sLxifPx_f8sW04B_qSh01WWfWjRvam6fjvFLDXSQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-01-16 21:14 ` Nicholas A. Bellinger
[not found] ` <1389906852.5567.668.camel-XoQW25Eq2zviZyQQd+hFbcojREIfoBdhmpATvIKMPHk@public.gmane.org>
2014-01-16 21:37 ` Greg Kroah-Hartman
[not found] ` <20140116213717.GA24718-U8xfFu+wG4EAvxtiuMwx3w@public.gmane.org>
2014-01-16 21:42 ` Or Gerlitz
[not found] ` <CAJZOPZ+75yOyxrcu4s=dSxv4Ya27UyotbRWLqwC3bbh3wieihg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-01-16 21:58 ` Greg Kroah-Hartman
2014-01-16 22:06 ` Nicholas A. Bellinger
2014-01-17 22:02 ` Martin K. Petersen
2014-01-18 21:42 ` Roland Dreier
2014-01-19 3:42 ` Nicholas A. Bellinger
2014-01-19 11:20 ` sagi grimberg
[not found] ` <52DBB4F1.4020400-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-01-20 13:56 ` Or Gerlitz
2014-01-21 22:00 ` Or Gerlitz
[not found] ` <CAJZOPZLuz-Z59agBd0Q9J2=sSG-F+Y8MrJkoGbtiF5M+CnKU1g-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-01-22 0:43 ` Roland Dreier
2014-01-22 4:10 ` Or Gerlitz
[not found] ` <CAG4TOxPLEfyWsUDf4_371u=_=tOgW2v5J4zSz8xx73DfziZOZg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-01-22 7:27 ` Nicholas A. Bellinger
2014-02-07 0:02 ` Nicholas A. Bellinger
2014-02-07 0:04 ` Roland Dreier
2014-02-25 21:10 ` Or Gerlitz
2014-03-05 9:54 ` Nicholas A. Bellinger
[not found] ` <1394013249.19539.17.camel-XoQW25Eq2zviZyQQd+hFbcojREIfoBdhmpATvIKMPHk@public.gmane.org>
2014-03-05 15:18 ` Roland Dreier
[not found] ` <CAG4TOxNRkAUH5Jsd67--ydWtUJqE1=pnVSuorgn4vNQiuYx1wg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-03-05 15:38 ` Or Gerlitz
2014-03-05 19:03 ` Nicholas A. Bellinger
[not found] ` <1394046218.20601.12.camel-XoQW25Eq2zviZyQQd+hFbcojREIfoBdhmpATvIKMPHk@public.gmane.org>
2014-03-07 5:07 ` Devesh Sharma
[not found] ` <EE7902D3F51F404C82415C4803930ACD3FDDD50E-DWYeeINJQrxExQ8dmkPuX0M9+F4ksjoh@public.gmane.org>
2014-03-07 19:31 ` Roland Dreier
[not found] ` <CAL1RGDXRCZafDcFsbiG823VQ7_AVZeZqxY8JEaj=oCYRteAw_A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-03-10 9:00 ` Devesh Sharma
2014-04-01 21:31 ` Or Gerlitz
2014-01-22 9:48 ` Sagi Grimberg
[not found] ` <52DF93D3.6030509-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2014-01-28 21:02 ` Or Gerlitz
[not found] ` <CAJZOPZLBECYXrpp0GY0uUvyf+XbiLHhXdVukniPXD4AWZObymg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2014-01-29 14:13 ` Bart Van Assche
[not found] ` <52E90C81.9040800-HInyCGIudOg@public.gmane.org>
2014-01-29 15:06 ` Sagi Grimberg
[not found] ` <52E91906.70802-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
2014-01-29 16:34 ` Or Gerlitz [this message]
2014-01-29 17:56 ` Bart Van Assche
[not found] ` <52E940B2.3070901-HInyCGIudOg@public.gmane.org>
2014-01-30 8:19 ` Or Gerlitz
[not found] ` <52EA0AFA.40100-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-01-30 10:07 ` Bart Van Assche
[not found] ` <52EA2465.8010907-HInyCGIudOg@public.gmane.org>
2014-01-30 10:38 ` Or Gerlitz
2014-01-20 12:40 ` Bart Van Assche
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