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target: Send UA on ALUA target port group change

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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>
This commit is contained in:
Hannes Reinecke 2015-06-11 10:01:27 +02:00 committed by Nicholas Bellinger
parent 1adff1b3a7
commit 3dd348fcaa
2 changed files with 9 additions and 0 deletions
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7
drivers/target/target_core_alua.c
View File

@ -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);
}

2
drivers/target/target_core_ua.h
View File

@ -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 *);