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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 /drivers/target/tcm_fc
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 'drivers/target/tcm_fc')
-rw-r--r--drivers/target/tcm_fc/tfc_conf.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c
index ee5653139417..8e1a54f2642c 100644
--- a/drivers/target/tcm_fc/tfc_conf.c
+++ b/drivers/target/tcm_fc/tfc_conf.c
@@ -217,7 +217,7 @@ struct ft_node_acl *ft_acl_get(struct ft_tpg *tpg, struct fc_rport_priv *rdata)
struct se_portal_group *se_tpg = &tpg->se_tpg;
struct se_node_acl *se_acl;
- spin_lock_irq(&se_tpg->acl_node_lock);
+ mutex_lock(&se_tpg->acl_node_mutex);
list_for_each_entry(se_acl, &se_tpg->acl_node_list, acl_list) {
acl = container_of(se_acl, struct ft_node_acl, se_node_acl);
pr_debug("acl %p port_name %llx\n",
@@ -231,7 +231,7 @@ struct ft_node_acl *ft_acl_get(struct ft_tpg *tpg, struct fc_rport_priv *rdata)
break;
}
}
- spin_unlock_irq(&se_tpg->acl_node_lock);
+ mutex_unlock(&se_tpg->acl_node_mutex);
return found;
}

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