From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Wed, 28 Nov 2012 07:55:57 +0000 (-0800)
Subject: ib_srpt: Convert I/O path to target_submit_cmd + drop legacy ioctx->kref
X-Git-Tag: v3.8-rc1~94^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9474b043132f41ee03bd3d8dcb076f8569ae69d3;p=pandora-kernel.git

ib_srpt: Convert I/O path to target_submit_cmd + drop legacy ioctx->kref

This patch converts the main srpt_handle_cmd() I/O path to use modern
target_submit_cmd() with TARGET_SCF_ACK_KREF flag usage.  This includes
dropping the original internal ioctx->kref + srpt_put_send_ioctx() usage
in favor of target_put_sess_cmd() w/ se_cmd_t->cmd_kref within ib_srpt
response callbacks.

It also updates srpt_abort_cmd() to call target_put_sess_cmd() for
completion of aborted commands, and adds target_wait_for_sess_cmds() into
srpt_release_channel_work() to allow outstanding I/O to complete during
session shutdown.

Also, go ahead and update srpt_handle_tsk_mgmt() to make the remaining
transport_init_se_cmd() to setup the ioctx->cmd with se_tmr_req.

Cc: Christoph Hellwig <hch@lst.de>
Cc: Bart Van Assche <bvanassche@acm.org>
Cc: Roland Dreier <roland@kernel.org>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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