From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Thu, 27 Feb 2014 17:05:03 +0000 (-0800)
Subject: iser-target: Fix post_send_buf_count for RDMA READ/WRITE
X-Git-Tag: v3.14-rc6~8^2~3
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b6b87a1df604678ed1be40158080db012a99ccca;p=pandora-kernel.git

iser-target: Fix post_send_buf_count for RDMA READ/WRITE

This patch fixes the incorrect setting of ->post_send_buf_count
related to RDMA WRITEs + READs where isert_rdma_rw->send_wr_num
was not being taken into account.

This includes incrementing ->post_send_buf_count within
isert_put_datain() + isert_get_dataout(), decrementing within
__isert_send_completion() + isert_response_completion(), and
clearing wr->send_wr_num within isert_completion_rdma_read()

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.

Acked-by: Sagi Grimberg <sagig@mellanox.com>
Cc: Or Gerlitz <ogerlitz@mellanox.com>
Cc: <stable@vger.kernel.org> #3.10+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---

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