From patchwork Tue Aug 17 09:14:27 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 499369 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D2BC9C432BE for ; Tue, 17 Aug 2021 09:16:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BA1BA600CC for ; Tue, 17 Aug 2021 09:16:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239569AbhHQJRa (ORCPT ); Tue, 17 Aug 2021 05:17:30 -0400 Received: from smtp-out1.suse.de ([195.135.220.28]:33308 "EHLO smtp-out1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239294AbhHQJRQ (ORCPT ); Tue, 17 Aug 2021 05:17:16 -0400 Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id 344AE21D3D; Tue, 17 Aug 2021 09:16:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_rsa; t=1629191802; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=M021yZTyA7R+S7ex7SM+pePBigXQFhOuMlMB00LdKPQ=; b=WT58ZYf0LDN1RBOI/BpU56bodQdA0l3yjEqslt9x8kqQ//Q6Gbph+0s7zKlzoRIoi9XpXj wZHNAVt4x/Xs+ccA8iGer1ERQPx2ZsIHbW6gYU4th0pKAFl+JmMsDC4B1eUp0Q/Ct1cHlv HUkwHBLfJvaDD1PyuC+AV6HY85an9tk= DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=suse.de; s=susede2_ed25519; t=1629191802; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=M021yZTyA7R+S7ex7SM+pePBigXQFhOuMlMB00LdKPQ=; b=CBp3+dVBQ74GcWSlwhOvhnZqHERbq/FIsPhRrF26QW4qZUrDE7t+lvdYiF/z1XuxAjPDbZ 7TFmT+fSsfotgRBw== Received: from adalid.arch.suse.de (adalid.arch.suse.de [10.161.8.13]) by relay2.suse.de (Postfix) with ESMTP id 2E6A7A3BA6; Tue, 17 Aug 2021 09:16:42 +0000 (UTC) Received: by adalid.arch.suse.de (Postfix, from userid 16045) id 2B351518CE8B; Tue, 17 Aug 2021 11:16:42 +0200 (CEST) From: Hannes Reinecke To: "Martin K. Petersen" Cc: Christoph Hellwig , James Bottomley , linux-scsi@vger.kernel.org, Hannes Reinecke , Hannes Reinecke Subject: [PATCH 22/51] libiscsi: use cls_session as argument for target and session reset Date: Tue, 17 Aug 2021 11:14:27 +0200 Message-Id: <20210817091456.73342-23-hare@suse.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210817091456.73342-1-hare@suse.de> References: <20210817091456.73342-1-hare@suse.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org iscsi_eh_target_reset() and iscsi_eh_session_reset() only depend on the cls_session, so use that as an argument. Signed-off-by: Hannes Reinecke --- drivers/scsi/be2iscsi/be_main.c | 10 +++++++++- drivers/scsi/libiscsi.c | 21 +++++++++------------ include/scsi/libiscsi.h | 2 +- 3 files changed, 19 insertions(+), 14 deletions(-) diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index e70f69f791db..d76902c4128c 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -367,6 +367,14 @@ static int beiscsi_eh_device_reset(struct scsi_cmnd *sc) return rc; } +static int beiscsi_eh_session_reset(struct scsi_cmnd *sc) +{ + struct iscsi_cls_session *cls_session; + + cls_session = starget_to_session(scsi_target(sc->device)); + return iscsi_eh_session_reset(cls_session); +} + /*------------------- PCI Driver operations and data ----------------- */ static const struct pci_device_id beiscsi_pci_id_table[] = { { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) }, @@ -390,7 +398,7 @@ static struct scsi_host_template beiscsi_sht = { .eh_timed_out = iscsi_eh_cmd_timed_out, .eh_abort_handler = beiscsi_eh_abort, .eh_device_reset_handler = beiscsi_eh_device_reset, - .eh_target_reset_handler = iscsi_eh_session_reset, + .eh_target_reset_handler = beiscsi_eh_session_reset, .shost_attrs = beiscsi_attrs, .sg_tablesize = BEISCSI_SGLIST_ELEMENTS, .can_queue = BE2_IO_DEPTH, diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 4683c183e9d4..0006a3692c9a 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -2488,13 +2488,11 @@ EXPORT_SYMBOL_GPL(iscsi_session_recovery_timedout); * This function will wait for a relogin, session termination from * userspace, or a recovery/replacement timeout. */ -int iscsi_eh_session_reset(struct scsi_cmnd *sc) +int iscsi_eh_session_reset(struct iscsi_cls_session *cls_session) { - struct iscsi_cls_session *cls_session; struct iscsi_session *session; struct iscsi_conn *conn; - cls_session = starget_to_session(scsi_target(sc->device)); session = cls_session->dd_data; mutex_lock(&session->eh_mutex); @@ -2541,7 +2539,7 @@ int iscsi_eh_session_reset(struct scsi_cmnd *sc) } EXPORT_SYMBOL_GPL(iscsi_eh_session_reset); -static void iscsi_prep_tgt_reset_pdu(struct scsi_cmnd *sc, struct iscsi_tm *hdr) +static void iscsi_prep_tgt_reset_pdu(struct iscsi_tm *hdr) { memset(hdr, 0, sizeof(*hdr)); hdr->opcode = ISCSI_OP_SCSI_TMFUNC | ISCSI_OP_IMMEDIATE; @@ -2556,19 +2554,16 @@ static void iscsi_prep_tgt_reset_pdu(struct scsi_cmnd *sc, struct iscsi_tm *hdr) * * This will attempt to send a warm target reset. */ -static int iscsi_eh_target_reset(struct scsi_cmnd *sc) +static int iscsi_eh_target_reset(struct iscsi_cls_session *cls_session) { - struct iscsi_cls_session *cls_session; struct iscsi_session *session; struct iscsi_conn *conn; struct iscsi_tm *hdr; int rc = FAILED; - cls_session = starget_to_session(scsi_target(sc->device)); session = cls_session->dd_data; - ISCSI_DBG_EH(session, "tgt Reset [sc %p tgt %s]\n", sc, - session->targetname); + ISCSI_DBG_EH(session, "tgt Reset [tgt %s]\n", session->targetname); mutex_lock(&session->eh_mutex); spin_lock_bh(&session->frwd_lock); @@ -2586,7 +2581,7 @@ static int iscsi_eh_target_reset(struct scsi_cmnd *sc) session->tmf_state = TMF_QUEUED; hdr = &session->tmhdr; - iscsi_prep_tgt_reset_pdu(sc, hdr); + iscsi_prep_tgt_reset_pdu(hdr); if (iscsi_exec_task_mgmt_fn(conn, hdr, session->age, session->tgt_reset_timeout)) { @@ -2638,11 +2633,13 @@ static int iscsi_eh_target_reset(struct scsi_cmnd *sc) */ int iscsi_eh_recover_target(struct scsi_cmnd *sc) { + struct iscsi_cls_session *cls_session; int rc; - rc = iscsi_eh_target_reset(sc); + cls_session = starget_to_session(scsi_target(sc->device)); + rc = iscsi_eh_target_reset(cls_session); if (rc == FAILED) - rc = iscsi_eh_session_reset(sc); + rc = iscsi_eh_session_reset(cls_session); return rc; } EXPORT_SYMBOL_GPL(iscsi_eh_recover_target); diff --git a/include/scsi/libiscsi.h b/include/scsi/libiscsi.h index 4ee233e5a6ff..3401feb088df 100644 --- a/include/scsi/libiscsi.h +++ b/include/scsi/libiscsi.h @@ -379,7 +379,7 @@ struct iscsi_host { */ extern int iscsi_eh_abort(struct scsi_cmnd *sc); extern int iscsi_eh_recover_target(struct scsi_cmnd *sc); -extern int iscsi_eh_session_reset(struct scsi_cmnd *sc); +extern int iscsi_eh_session_reset(struct iscsi_cls_session *cls_session); extern int iscsi_eh_device_reset(struct scsi_cmnd *sc); extern int iscsi_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *sc); extern enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc);