From mboxrd@z Thu Jan  1 00:00:00 1970
From: Sagi Grimberg <sagig@dev.mellanox.co.il>
Subject: Re: [PATCH 4/6] iser-target: Fix post_send_buf_count for RDMA READ/WRITE
Date: Tue, 04 Mar 2014 11:21:27 +0200
Message-ID: <53159B17.6090901@dev.mellanox.co.il>
References: <1393891265-22910-1-git-send-email-nab@daterainc.com> <1393891265-22910-5-git-send-email-nab@daterainc.com> <5315859E.7050202@mellanox.com>
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To: Or Gerlitz <ogerlitz@mellanox.com>, "Nicholas A. Bellinger" <nab@daterainc.com>, target-devel <target-devel@vger.kernel.org>
Cc: linux-rdma <linux-rdma@vger.kernel.org>, linux-scsi <linux-scsi@vger.kernel.org>, Sagi Grimberg <sagig@mellanox.com>, Nicholas Bellinger <nab@linux-iscsi.org>
List-Id: linux-rdma@vger.kernel.org

On 3/4/2014 9:49 AM, Or Gerlitz wrote:
> On 04/03/2014 02:01, Nicholas A. Bellinger wrote:
>> This is necessary because even though IB_SEND_SIGNALED is
>> not set for RDMA WRITEs + READs, during a QP failure event
>> the work requests will be returned with exception status
>> from the TX completion queue.
>
> Impossible... for rdma reads we must ask for completing, since we 
> should write the data
> for the back-end, I assume it's just wrong mentioning of rdma-read 
> here, right?
>

No, In case of multiple RDMA READs (for non-fastreg case) isert asks for 
completion only on the last one.

This is fine.

Sagi.