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authorHannes Reinecke <hare@suse.de>2015-06-11 10:01:27 +0200
committerNicholas Bellinger <nab@linux-iscsi.org>2015-06-22 23:55:27 -0700
commit3dd348fcaa407181585fcadc04b0cac6e31f9be0 (patch)
tree35b3f528414cc9986df44aecf70a0d28ebb4d35a /drivers/target
parent1adff1b3a7f75a1c255b7fcab5676edf29d4a5d8 (diff)
downloadlinux-3dd348fcaa407181585fcadc04b0cac6e31f9be0.tar.bz2
target: Send UA on ALUA target port group change
When the ALUA target port group changes an INQUIRY DATA CHANGE UA needs to be sent. 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/target_core_alua.c7
-rw-r--r--drivers/target/target_core_ua.h2
2 files changed, 9 insertions, 0 deletions
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index c56ae024c42e..744f308053e0 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -1880,12 +1880,19 @@ static void core_alua_put_tg_pt_gp_from_name(
static void __target_attach_tg_pt_gp(struct se_lun *lun,
struct t10_alua_tg_pt_gp *tg_pt_gp)
{
+ struct se_dev_entry *se_deve;
+
assert_spin_locked(&lun->lun_tg_pt_gp_lock);
spin_lock(&tg_pt_gp->tg_pt_gp_lock);
lun->lun_tg_pt_gp = tg_pt_gp;
list_add_tail(&lun->lun_tg_pt_gp_link, &tg_pt_gp->tg_pt_gp_lun_list);
tg_pt_gp->tg_pt_gp_members++;
+ spin_lock(&lun->lun_deve_lock);
+ list_for_each_entry(se_deve, &lun->lun_deve_list, lun_link)
+ core_scsi3_ua_allocate(se_deve, 0x3f,
+ ASCQ_3FH_INQUIRY_DATA_HAS_CHANGED);
+ spin_unlock(&lun->lun_deve_lock);
spin_unlock(&tg_pt_gp->tg_pt_gp_lock);
}
diff --git a/drivers/target/target_core_ua.h b/drivers/target/target_core_ua.h
index 96460bff490f..59278d662e66 100644
--- a/drivers/target/target_core_ua.h
+++ b/drivers/target/target_core_ua.h
@@ -25,6 +25,8 @@
#define ASCQ_2CH_PREVIOUS_RESERVATION_CONFLICT_STATUS 0x09
+#define ASCQ_3FH_INQUIRY_DATA_HAS_CHANGED 0x03
+
extern struct kmem_cache *se_ua_cache;
extern sense_reason_t target_scsi3_ua_check(struct se_cmd *);