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authorNicholas Bellinger <nab@linux-iscsi.org>2015-03-08 22:33:47 +0000
committerNicholas Bellinger <nab@linux-iscsi.org>2015-06-01 00:24:44 -0700
commit403edd78a2851ef95b24c0bf5151a4ab640898d7 (patch)
tree66ab8314fe3281d25f8fced91c973d5b6d5c40ba /include/target/target_core_base.h
parent6bb826121be244a5a3c8bd8b7d45c47df18810b7 (diff)
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>
Diffstat (limited to 'include/target/target_core_base.h')
-rw-r--r--include/target/target_core_base.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index c15fa1a3b945..2b6adace28b4 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -876,7 +876,7 @@ struct se_portal_group {
/* Used for PR SPEC_I_PT=1 and REGISTER_AND_MOVE */
atomic_t tpg_pr_ref_count;
/* Spinlock for adding/removing ACLed Nodes */
- spinlock_t acl_node_lock;
+ struct mutex acl_node_mutex;
/* Spinlock for adding/removing sessions */
spinlock_t session_lock;
struct mutex tpg_lun_mutex;