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| author | Hannes Reinecke <hare@suse.de> | 2015-06-11 10:01:29 +0200 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2015-06-23 00:43:02 -0700 |
| commit | 7c0d0d51d26497866d2951a35f1736fc765e4fcf (patch) | |
| tree | de87ed7f9cef0c0b6df62595f78ad7afa70302e0 | |
| parent | b5aafb16ebdb713e9e5ac60db2940fe4baf6328f (diff) | |
| download | linux-7c0d0d51d26497866d2951a35f1736fc765e4fcf.tar.gz linux-7c0d0d51d26497866d2951a35f1736fc765e4fcf.tar.bz2 linux-7c0d0d51d26497866d2951a35f1736fc765e4fcf.zip | |
target: Send UA when changing LUN inventory
When changind the LUN inventory via core_enable_device_list_for_node()
or core_disable_device_list_for_node() a REPORTED LUNS DATA HAS CHANGED
UA should be send.
(Convert to target_luns_data_has_changed helper usage - hch)
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
| -rw-r--r-- | drivers/target/target_core_device.c | 23 | ||||
| -rw-r--r-- | drivers/target/target_core_ua.h | 1 |
2 files changed, 20 insertions, 4 deletions
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index b6df5b9a6890..52448483ed9b 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -293,10 +293,22 @@ void target_pr_kref_release(struct kref *kref) complete(&deve->pr_comp); } -/* core_enable_device_list_for_node(): - * - * - */ +static void +target_luns_data_has_changed(struct se_node_acl *nacl, struct se_dev_entry *new, + bool skip_new) +{ + struct se_dev_entry *tmp; + + rcu_read_lock(); + hlist_for_each_entry_rcu(tmp, &nacl->lun_entry_hlist, link) { + if (skip_new && tmp == new) + continue; + core_scsi3_ua_allocate(tmp, 0x3F, + ASCQ_3FH_REPORTED_LUNS_DATA_HAS_CHANGED); + } + rcu_read_unlock(); +} + int core_enable_device_list_for_node( struct se_lun *lun, struct se_lun_acl *lun_acl, @@ -360,6 +372,7 @@ int core_enable_device_list_for_node( kref_put(&orig->pr_kref, target_pr_kref_release); wait_for_completion(&orig->pr_comp); + target_luns_data_has_changed(nacl, new, true); kfree_rcu(orig, rcu_head); return 0; } @@ -373,6 +386,7 @@ int core_enable_device_list_for_node( list_add_tail(&new->lun_link, &lun->lun_deve_list); spin_unlock(&lun->lun_deve_lock); + target_luns_data_has_changed(nacl, new, true); return 0; } @@ -428,6 +442,7 @@ void core_disable_device_list_for_node( kfree_rcu(orig, rcu_head); core_scsi3_free_pr_reg_from_nacl(dev, nacl); + target_luns_data_has_changed(nacl, NULL, false); } /* core_clear_lun_from_tpg(): diff --git a/drivers/target/target_core_ua.h b/drivers/target/target_core_ua.h index 59278d662e66..bd6e78ba153d 100644 --- a/drivers/target/target_core_ua.h +++ b/drivers/target/target_core_ua.h @@ -26,6 +26,7 @@ #define ASCQ_2CH_PREVIOUS_RESERVATION_CONFLICT_STATUS 0x09 #define ASCQ_3FH_INQUIRY_DATA_HAS_CHANGED 0x03 +#define ASCQ_3FH_REPORTED_LUNS_DATA_HAS_CHANGED 0x0E extern struct kmem_cache *se_ua_cache; |