From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Thu, 5 Jun 2014 23:37:38 +0000 (-0700)
Subject: tcm_fc: Generate TASK_SET_FULL status for response failures
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~26^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6dbe7f4e97d55eefcb471c41c16b62fca5f10c68;p=pandora-kernel.git

tcm_fc: Generate TASK_SET_FULL status for response failures

This patch changes ft_queue_status() to set SAM_STAT_TASK_SET_FULL
status upon lport->tt.seq_send( failure, and return -EAGAIN to notify
target-core to attempt to requeue the response.

It also does the same for a fc_frame_alloc() failures, in order to
signal the initiator that it should try to reduce it's current
queue_depth, to lower the number of outstanding I/Os on the wire.

Reported-by: Vasu Dev <vasu.dev@linux.intel.com>
Reviewed-by: Vasu Dev <vasu.dev@linux.intel.com>
Cc: Jun Wu <jwu@stormojo.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
---

Reading git-diff-tree failed