diff options
Diffstat (limited to 'drivers/target/iscsi/iscsi_target_nego.c')
| -rw-r--r-- | drivers/target/iscsi/iscsi_target_nego.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/drivers/target/iscsi/iscsi_target_nego.c b/drivers/target/iscsi/iscsi_target_nego.c index 2cce636..24b0e33 100644 --- a/drivers/target/iscsi/iscsi_target_nego.c +++ b/drivers/target/iscsi/iscsi_target_nego.c @@ -983,8 +983,9 @@ int iscsi_target_locate_portal( struct iscsi_tiqn *tiqn; struct iscsi_tpg_np *tpg_np = NULL; struct iscsi_login_req *login_req; - u32 payload_length; - int sessiontype = 0, ret = 0; + struct se_node_acl *se_nacl; + u32 payload_length, queue_depth = 0; + int sessiontype = 0, ret = 0, tag_num, tag_size; INIT_DELAYED_WORK(&conn->login_work, iscsi_target_do_login_rx); INIT_DELAYED_WORK(&conn->login_cleanup_work, iscsi_target_do_cleanup); @@ -1084,7 +1085,7 @@ int iscsi_target_locate_portal( goto out; } ret = 0; - goto out; + goto alloc_tags; } get_target: @@ -1181,8 +1182,27 @@ get_target: ret = -1; goto out; } + se_nacl = sess->se_sess->se_node_acl; + queue_depth = se_nacl->queue_depth; + /* + * Setup pre-allocated tags based upon allowed per NodeACL CmdSN + * depth for non immediate commands, plus extra tags for immediate + * commands. + * + * Also enforce a ISCSIT_MIN_TAGS to prevent unnecessary contention + * in per-cpu-ida tag allocation logic + small queue_depth. + */ +alloc_tags: + tag_num = max_t(u32, ISCSIT_MIN_TAGS, queue_depth); + tag_num += ISCSIT_EXTRA_TAGS; + tag_size = sizeof(struct iscsi_cmd) + conn->conn_transport->priv_size; - ret = 0; + ret = transport_alloc_session_tags(sess->se_sess, tag_num, tag_size); + if (ret < 0) { + iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR, + ISCSI_LOGIN_STATUS_NO_RESOURCES); + ret = -1; + } out: kfree(tmpbuf); return ret; |
