Re: [PATCH v4 0/5] Reduce RDMA RW API SGE limit

[Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>]

[-- Attachment #1: Type: text/plain, Size: 1545 bytes --]

On Thu, 2016-07-21 at 13:02 -0700, Bart Van Assche wrote:
> Hello Doug,
> 
> The five patches in this series modify the RDMA RW API slightly. This
> is 
> needed to avoid that the SRP and iSER target drivers submit RDMA 
> requests with an SGE list that exceeds the queue pair limits. The 
> ib_srpt changes in this series have been tested but the ib_isert
> changes 
> not yet.
> 
> The changes compared to v3 of this patch series are:
> * Split the single QP SGE limit into separate READ and WRITE SGE
> limits.
> * Added a comment in ib_srpt.h that explains where the SGE limit
> comes
>    from.
> 
> Changes compared to v2:
> * For RDMA READs, limit SGE back to dev->attrs.max_sge_rd for iWARP.
> 
> Changes compared to v1:
> * max_send_sge is now stored in struct ib_qp. This greatly simplifies
>     this patch series.
> * An unneeded initialization that I had added to
> rdma_rw_init_one_mr()
>     has been left out again.
> * Corrected "Fixes" tag in the patch description where needed.
> 
> The individual patches in this series are:
> 
> 0001-IB-core-Make-rdma_rw_ctx_init-initialize-all-used-fi.patch
> 0002-IB-core-RDMA-RW-API-Do-not-exceed-QP-SGE-send-limit.patch
> 0003-IB-srpt-Limit-the-number-of-SG-elements-per-work-req.patch
> 0004-IB-srpt-Simplify-srpt_queue_response.patch
> 0005-IB-isert-Remove-an-unused-member-variable.patch
> 

Thanks Bart, series applied.

-- 
Doug Ledford <dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
              GPG KeyID: 0E572FDD

[-- Attachment #2: This is a digitally signed message part --]
[-- Type: application/pgp-signature, Size: 819 bytes --]