From mboxrd@z Thu Jan 1 00:00:00 1970 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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 A57CBC3F35D for ; Thu, 27 Feb 2020 14:05:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7C1FB246A4 for ; Thu, 27 Feb 2020 14:05:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582812357; bh=LnaKr3YPnpx6t2il1PFIuNZU1x33/PAQCoAlzyuYTeM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=g3+snnIEUxdTSovMb5SQsm7YGeHWrB//ngkQbRWW9Dp1tJz46uJYzizqGZu4XkPdz HJQrxwXUs+WodpPzUGkEiS738ABR2fAVyFySa0IVT5tO+RN1SN/sQHzyOQD82ysvPk +mAS0US0lMYWsyoC8gBkm41CwAraz+jnlw6iOHQM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387848AbgB0OFz (ORCPT ); Thu, 27 Feb 2020 09:05:55 -0500 Received: from mail.kernel.org ([198.145.29.99]:42740 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387831AbgB0OFv (ORCPT ); Thu, 27 Feb 2020 09:05:51 -0500 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 8DA3520578; Thu, 27 Feb 2020 14:05:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1582812350; bh=LnaKr3YPnpx6t2il1PFIuNZU1x33/PAQCoAlzyuYTeM=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pKX0qoLfgpWdniLWzaDK1K5077qDP9oxDuDt99gRusHJWOxytjJVu3DFVm3MAlRdH ZTK24wst3sePPXemOD3RJ/yurOs03r4t8fQcHudeq23hDIRzbeEK41yTs/hQbCpYKG 1jhjcH5PZYy6j6wIHKA9hnYgoff561q8hiGH2NK0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Rahul Kundu , Mike Marciniszyn , Sagi Grimberg , Dakshaja Uppalapati , Bart Van Assche , "Martin K. Petersen" Subject: [PATCH 4.19 81/97] scsi: Revert "target: iscsi: Wait for all commands to finish before freeing a session" Date: Thu, 27 Feb 2020 14:37:29 +0100 Message-Id: <20200227132227.672661073@linuxfoundation.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200227132214.553656188@linuxfoundation.org> References: <20200227132214.553656188@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Bart Van Assche commit 807b9515b7d044cf77df31f1af9d842a76ecd5cb upstream. Since commit e9d3009cb936 introduced a regression and since the fix for that regression was not perfect, revert this commit. Link: https://marc.info/?l=target-devel&m=158157054906195 Cc: Rahul Kundu Cc: Mike Marciniszyn Cc: Sagi Grimberg Reported-by: Dakshaja Uppalapati Fixes: e9d3009cb936 ("scsi: target: iscsi: Wait for all commands to finish before freeing a session") Signed-off-by: Bart Van Assche Signed-off-by: Martin K. Petersen Signed-off-by: Greg Kroah-Hartman --- drivers/target/iscsi/iscsi_target.c | 10 ++-------- include/scsi/iscsi_proto.h | 1 - 2 files changed, 2 insertions(+), 9 deletions(-) --- a/drivers/target/iscsi/iscsi_target.c +++ b/drivers/target/iscsi/iscsi_target.c @@ -1157,9 +1157,7 @@ int iscsit_setup_scsi_cmd(struct iscsi_c hdr->cmdsn, be32_to_cpu(hdr->data_length), payload_length, conn->cid); - if (target_get_sess_cmd(&cmd->se_cmd, true) < 0) - return iscsit_add_reject_cmd(cmd, - ISCSI_REASON_WAITING_FOR_LOGOUT, buf); + target_get_sess_cmd(&cmd->se_cmd, true); cmd->sense_reason = transport_lookup_cmd_lun(&cmd->se_cmd, scsilun_to_int(&hdr->lun)); @@ -2000,9 +1998,7 @@ iscsit_handle_task_mgt_cmd(struct iscsi_ conn->sess->se_sess, 0, DMA_NONE, TCM_SIMPLE_TAG, cmd->sense_buffer + 2); - if (target_get_sess_cmd(&cmd->se_cmd, true) < 0) - return iscsit_add_reject_cmd(cmd, - ISCSI_REASON_WAITING_FOR_LOGOUT, buf); + target_get_sess_cmd(&cmd->se_cmd, true); /* * TASK_REASSIGN for ERL=2 / connection stays inside of @@ -4208,8 +4204,6 @@ int iscsit_close_connection( * must wait until they have completed. */ iscsit_check_conn_usage_count(conn); - target_sess_cmd_list_set_waiting(sess->se_sess); - target_wait_for_sess_cmds(sess->se_sess); ahash_request_free(conn->conn_tx_hash); if (conn->conn_rx_hash) { --- a/include/scsi/iscsi_proto.h +++ b/include/scsi/iscsi_proto.h @@ -638,7 +638,6 @@ struct iscsi_reject { #define ISCSI_REASON_BOOKMARK_INVALID 9 #define ISCSI_REASON_BOOKMARK_NO_RESOURCES 10 #define ISCSI_REASON_NEGOTIATION_RESET 11 -#define ISCSI_REASON_WAITING_FOR_LOGOUT 12 /* Max. number of Key=Value pairs in a text message */ #define MAX_KEY_VALUE_PAIRS 8192