From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Thu, 7 Mar 2013 06:20:36 +0000 (-0800)
Subject: iscsi-target: Add iser network portal attribute
X-Git-Tag: omap-for-v3.10/dt-fixes-for-merge-window~96^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=72438cddd6d39b293dbc37836a4d3e691d26c356;p=pandora-kernel.git

iscsi-target: Add iser network portal attribute

This patch adds a new network portal attribute for iser, that lives
under existing iscsi-target configfs layout at:

   /sys/kernel/config/target/iscsi/$TARGETNAME/$TPGT/np/$PORTAL/iser

When lio_target_np_store_iser() is enabled, iscsit_tpg_add_network_portal()
will attempt to start an rdma_cma network portal for iser-target, only if
the external ib_isert module transport has been loaded.

When disabled, iscsit_tpg_del_network_portal() will cease iser login service
on the network portal, and release any external ib_isert module reference.

v4 changes:

- Add request_module for ib_isert to lio_target_np_store_iser()

Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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