From: Sagi Grimberg <sagig@dev.mellanox.co.il>
To: Steve Wise <swise@opengridcomputing.com>,
Christoph Hellwig <hch@infradead.org>
Cc: 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 6/9] isert: Rename IO functions to more descriptive names
Date: Sun, 26 Jul 2015 20:40:10 +0300 [thread overview]
Message-ID: <55B51B7A.8030008@dev.mellanox.co.il> (raw)
In-Reply-To: <55B519C6.2030205@opengridcomputing.com>
>> Ideally, the post contains a chain of all 4 registrations and the
>> rdma_read (and an opportunistic good scsi response).
>
> Just to be clear: This example is for IB only, correct? IW would
> require rkeys with REMOTE_WRITE and 4 read wrs.
My assumption is that it would depend on max_sge_rd.
IB only? iWARP by definition isn't capable of doing rdma_read to
more than one scatter? Anyway, we'll need to calculate the number
of RDMA_READs.
> And you're ignoring invalidation wrs (or read-with-inv) in the example...
Yes, didn't want to inflate the example too much...
next prev parent reply other threads:[~2015-07-26 17:40 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 [this message]
[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
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