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path: root/drivers/target/target_core_tpg.c
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Diffstat (limited to 'drivers/target/target_core_tpg.c')
-rw-r--r--drivers/target/target_core_tpg.c29
1 files changed, 25 insertions, 4 deletions
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
index a531fe282b1e..5192ac0337f7 100644
--- a/drivers/target/target_core_tpg.c
+++ b/drivers/target/target_core_tpg.c
@@ -3,10 +3,7 @@
3 * 3 *
4 * This file contains generic Target Portal Group related functions. 4 * This file contains generic Target Portal Group related functions.
5 * 5 *
6 * Copyright (c) 2002, 2003, 2004, 2005 PyX Technologies, Inc. 6 * (c) Copyright 2002-2012 RisingTide Systems LLC.
7 * Copyright (c) 2005, 2006, 2007 SBE, Inc.
8 * Copyright (c) 2007-2010 Rising Tide Systems
9 * Copyright (c) 2008-2010 Linux-iSCSI.org
10 * 7 *
11 * Nicholas A. Bellinger <nab@kernel.org> 8 * Nicholas A. Bellinger <nab@kernel.org>
12 * 9 *
@@ -619,6 +616,29 @@ int core_tpg_set_initiator_node_queue_depth(
619} 616}
620EXPORT_SYMBOL(core_tpg_set_initiator_node_queue_depth); 617EXPORT_SYMBOL(core_tpg_set_initiator_node_queue_depth);
621 618
619/* core_tpg_set_initiator_node_tag():
620 *
621 * Initiator nodeacl tags are not used internally, but may be used by
622 * userspace to emulate aliases or groups.
623 * Returns length of newly-set tag or -EINVAL.
624 */
625int core_tpg_set_initiator_node_tag(
626 struct se_portal_group *tpg,
627 struct se_node_acl *acl,
628 const char *new_tag)
629{
630 if (strlen(new_tag) >= MAX_ACL_TAG_SIZE)
631 return -EINVAL;
632
633 if (!strncmp("NULL", new_tag, 4)) {
634 acl->acl_tag[0] = '\0';
635 return 0;
636 }
637
638 return snprintf(acl->acl_tag, MAX_ACL_TAG_SIZE, "%s", new_tag);
639}
640EXPORT_SYMBOL(core_tpg_set_initiator_node_tag);
641
622static int core_tpg_setup_virtual_lun0(struct se_portal_group *se_tpg) 642static int core_tpg_setup_virtual_lun0(struct se_portal_group *se_tpg)
623{ 643{
624 /* Set in core_dev_setup_virtual_lun0() */ 644 /* Set in core_dev_setup_virtual_lun0() */
@@ -672,6 +692,7 @@ int core_tpg_register(
672 for (i = 0; i < TRANSPORT_MAX_LUNS_PER_TPG; i++) { 692 for (i = 0; i < TRANSPORT_MAX_LUNS_PER_TPG; i++) {
673 lun = se_tpg->tpg_lun_list[i]; 693 lun = se_tpg->tpg_lun_list[i];
674 lun->unpacked_lun = i; 694 lun->unpacked_lun = i;
695 lun->lun_link_magic = SE_LUN_LINK_MAGIC;
675 lun->lun_status = TRANSPORT_LUN_STATUS_FREE; 696 lun->lun_status = TRANSPORT_LUN_STATUS_FREE;
676 atomic_set(&lun->lun_acl_count, 0); 697 atomic_set(&lun->lun_acl_count, 0);
677 init_completion(&lun->lun_shutdown_comp); 698 init_completion(&lun->lun_shutdown_comp);