From: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Sun, 8 Mar 2015 22:33:47 +0000 (+0000)
Subject: target: Convert se_tpg->acl_node_lock to ->acl_node_mutex
X-Git-Tag: omap-for-v4.3/legacy-v2-signed~37^2~31
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=403edd78a2851ef95b24c0bf5151a4ab640898d7;p=pandora-kernel.git

target: Convert se_tpg->acl_node_lock to ->acl_node_mutex

This patch converts se_tpg->acl_node_lock to struct mutex, so that
->acl_node_acl walkers in core_clear_lun_from_tpg() can block when
calling core_disable_device_list_for_node().

It also updates core_dev_add_lun() to hold ->acl_node_mutex when
calling core_tpg_add_node_to_devs() to build ->lun_entry_hlist
for dynamically generated se_node_acl.

Reviewed-by: Hannes Reinecke <hare@suse.de>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Sagi Grimberg <sagig@mellanox.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
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