From patchwork Sat Oct 13 23:13:54 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Disseldorp X-Patchwork-Id: 10640445 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3A607157A for ; Sat, 13 Oct 2018 23:14:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 20BAE2A524 for ; Sat, 13 Oct 2018 23:14:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 122402A774; Sat, 13 Oct 2018 23:14:47 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 7D0A22A524 for ; Sat, 13 Oct 2018 23:14:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726032AbeJNGxe (ORCPT ); Sun, 14 Oct 2018 02:53:34 -0400 Received: from mx2.suse.de ([195.135.220.15]:34234 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725990AbeJNGxe (ORCPT ); Sun, 14 Oct 2018 02:53:34 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 0B646ACCD; Sat, 13 Oct 2018 23:14:43 +0000 (UTC) From: David Disseldorp To: target-devel@vger.kernel.org Cc: martin.petersen@oracle.com, linux-scsi@vger.kernel.org, David Disseldorp Subject: [PATCH v3] target: split out helper for cxn timeout error stashing Date: Sun, 14 Oct 2018 01:13:54 +0200 Message-Id: <20181013231354.12838-1-ddiss@suse.de> X-Mailer: git-send-email 2.13.7 In-Reply-To: <1539360687.249485.9.camel@acm.org> References: <1539360687.249485.9.camel@acm.org> Sender: target-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: target-devel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Replace existing nested code blocks with helper function calls. Signed-off-by: David Disseldorp --- drivers/target/iscsi/iscsi_target_erl0.c | 15 +------------ drivers/target/iscsi/iscsi_target_util.c | 36 ++++++++++++++++++-------------- drivers/target/iscsi/iscsi_target_util.h | 1 + 3 files changed, 22 insertions(+), 30 deletions(-) diff --git a/drivers/target/iscsi/iscsi_target_erl0.c b/drivers/target/iscsi/iscsi_target_erl0.c index 718fe9a1b709..1193cf884a28 100644 --- a/drivers/target/iscsi/iscsi_target_erl0.c +++ b/drivers/target/iscsi/iscsi_target_erl0.c @@ -770,21 +770,8 @@ void iscsit_handle_time2retain_timeout(struct timer_list *t) pr_err("Time2Retain timer expired for SID: %u, cleaning up" " iSCSI session.\n", sess->sid); - { - struct iscsi_tiqn *tiqn = tpg->tpg_tiqn; - - if (tiqn) { - spin_lock(&tiqn->sess_err_stats.lock); - strcpy(tiqn->sess_err_stats.last_sess_fail_rem_name, - (void *)sess->sess_ops->InitiatorName); - tiqn->sess_err_stats.last_sess_failure_type = - ISCSI_SESS_ERR_CXN_TIMEOUT; - tiqn->sess_err_stats.cxn_timeout_errors++; - atomic_long_inc(&sess->conn_timeout_errors); - spin_unlock(&tiqn->sess_err_stats.lock); - } - } + iscsit_fill_cxn_timeout_err_stats(sess); spin_unlock_bh(&se_tpg->session_lock); iscsit_close_session(sess); } diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c index 931c51f56435..1227872227dc 100644 --- a/drivers/target/iscsi/iscsi_target_util.c +++ b/drivers/target/iscsi/iscsi_target_util.c @@ -933,22 +933,7 @@ void iscsit_handle_nopin_response_timeout(struct timer_list *t) conn->nopin_response_timer_flags &= ~ISCSI_TF_RUNNING; spin_unlock_bh(&conn->nopin_timer_lock); - { - struct iscsi_portal_group *tpg = conn->sess->tpg; - struct iscsi_tiqn *tiqn = tpg->tpg_tiqn; - - if (tiqn) { - spin_lock_bh(&tiqn->sess_err_stats.lock); - strcpy(tiqn->sess_err_stats.last_sess_fail_rem_name, - conn->sess->sess_ops->InitiatorName); - tiqn->sess_err_stats.last_sess_failure_type = - ISCSI_SESS_ERR_CXN_TIMEOUT; - tiqn->sess_err_stats.cxn_timeout_errors++; - atomic_long_inc(&conn->sess->conn_timeout_errors); - spin_unlock_bh(&tiqn->sess_err_stats.lock); - } - } - + iscsit_fill_cxn_timeout_err_stats(sess); iscsit_cause_connection_reinstatement(conn, 0); iscsit_dec_conn_usage_count(conn); } @@ -1407,3 +1392,22 @@ struct iscsi_tiqn *iscsit_snmp_get_tiqn(struct iscsi_conn *conn) return tpg->tpg_tiqn; } + +void iscsit_fill_cxn_timeout_err_stats(struct iscsi_session *sess) +{ + struct iscsi_portal_group *tpg = sess->tpg; + struct iscsi_tiqn *tiqn = tpg->tpg_tiqn; + + if (!tiqn) + return; + + spin_lock_bh(&tiqn->sess_err_stats.lock); + strlcpy(tiqn->sess_err_stats.last_sess_fail_rem_name, + sess->sess_ops->InitiatorName, + sizeof(tiqn->sess_err_stats.last_sess_fail_rem_name)); + tiqn->sess_err_stats.last_sess_failure_type = + ISCSI_SESS_ERR_CXN_TIMEOUT; + tiqn->sess_err_stats.cxn_timeout_errors++; + atomic_long_inc(&sess->conn_timeout_errors); + spin_unlock_bh(&tiqn->sess_err_stats.lock); +} diff --git a/drivers/target/iscsi/iscsi_target_util.h b/drivers/target/iscsi/iscsi_target_util.h index d66dfc212624..68e84803b0a1 100644 --- a/drivers/target/iscsi/iscsi_target_util.h +++ b/drivers/target/iscsi/iscsi_target_util.h @@ -67,5 +67,6 @@ extern int rx_data(struct iscsi_conn *, struct kvec *, int, int); extern int tx_data(struct iscsi_conn *, struct kvec *, int, int); extern void iscsit_collect_login_stats(struct iscsi_conn *, u8, u8); extern struct iscsi_tiqn *iscsit_snmp_get_tiqn(struct iscsi_conn *); +extern void iscsit_fill_cxn_timeout_err_stats(struct iscsi_session *); #endif /*** ISCSI_TARGET_UTIL_H ***/