diff options
Diffstat (limited to 'drivers/target/target_core_tpg.c')
| -rw-r--r-- | drivers/target/target_core_tpg.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c index 0163309e2aba..5192ac0337f7 100644 --- a/drivers/target/target_core_tpg.c +++ b/drivers/target/target_core_tpg.c @@ -616,6 +616,29 @@ int core_tpg_set_initiator_node_queue_depth( } EXPORT_SYMBOL(core_tpg_set_initiator_node_queue_depth); +/* core_tpg_set_initiator_node_tag(): + * + * Initiator nodeacl tags are not used internally, but may be used by + * userspace to emulate aliases or groups. + * Returns length of newly-set tag or -EINVAL. + */ +int core_tpg_set_initiator_node_tag( + struct se_portal_group *tpg, + struct se_node_acl *acl, + const char *new_tag) +{ + if (strlen(new_tag) >= MAX_ACL_TAG_SIZE) + return -EINVAL; + + if (!strncmp("NULL", new_tag, 4)) { + acl->acl_tag[0] = '\0'; + return 0; + } + + return snprintf(acl->acl_tag, MAX_ACL_TAG_SIZE, "%s", new_tag); +} +EXPORT_SYMBOL(core_tpg_set_initiator_node_tag); + static int core_tpg_setup_virtual_lun0(struct se_portal_group *se_tpg) { /* Set in core_dev_setup_virtual_lun0() */ |