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authorHannes Reinecke <hare@suse.de>2015-06-18 11:43:38 +0200
committerNicholas Bellinger <nab@linux-iscsi.org>2015-07-23 22:08:22 -0700
commite986a35aba67558381d5cec59a14c4d0b20f0d47 (patch)
tree58535b746aea2c97f16b10981bfcf674f2df5f27 /drivers/target
parentb7446cacfb433f5e89ff94afecbc349e404aee21 (diff)
downloadlinux-e986a35aba67558381d5cec59a14c4d0b20f0d47.tar.bz2
tcm_loop: Send I_T_NEXUS_LOSS_OCCURRED UA
If the virtual SAS link is set to 'offline' we should be queueing an I_T_NEXUS_LOSS_OCCURRED UA. Signed-off-by: Hannes Reinecke <hare@suse.de> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target')
-rw-r--r--drivers/target/loopback/tcm_loop.c5
-rw-r--r--drivers/target/target_core_tpg.c17
2 files changed, 22 insertions, 0 deletions
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index b179d934cee1..5bc85ffed720 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -1034,6 +1034,11 @@ static ssize_t tcm_loop_tpg_store_transport_status(
}
if (!strncmp(page, "offline", 7)) {
tl_tpg->tl_transport_status = TCM_TRANSPORT_OFFLINE;
+ if (tl_tpg->tl_nexus) {
+ struct se_session *tl_sess = tl_tpg->tl_nexus->se_sess;
+
+ core_allocate_nexus_loss_ua(tl_sess->se_node_acl);
+ }
return count;
}
return -EINVAL;
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
index babde4ad841f..2d0381dd105c 100644
--- a/drivers/target/target_core_tpg.c
+++ b/drivers/target/target_core_tpg.c
@@ -41,6 +41,7 @@
#include "target_core_internal.h"
#include "target_core_alua.h"
#include "target_core_pr.h"
+#include "target_core_ua.h"
extern struct se_device *g_lun0_dev;
@@ -83,6 +84,22 @@ struct se_node_acl *core_tpg_get_initiator_node_acl(
}
EXPORT_SYMBOL(core_tpg_get_initiator_node_acl);
+void core_allocate_nexus_loss_ua(
+ struct se_node_acl *nacl)
+{
+ struct se_dev_entry *deve;
+
+ if (!nacl)
+ return;
+
+ rcu_read_lock();
+ hlist_for_each_entry_rcu(deve, &nacl->lun_entry_hlist, link)
+ core_scsi3_ua_allocate(deve, 0x29,
+ ASCQ_29H_NEXUS_LOSS_OCCURRED);
+ rcu_read_unlock();
+}
+EXPORT_SYMBOL(core_allocate_nexus_loss_ua);
+
/* core_tpg_add_node_to_devs():
*
*