From mboxrd@z Thu Jan 1 00:00:00 1970 From: michaelc@cs.wisc.edu Subject: [PATCH 13/24] Do not fail commands immediately during logout Date: Thu, 13 Dec 2007 12:43:32 -0600 Message-ID: <11975714413336-git-send-email-michaelc@cs.wisc.edu> References: <11975714233983-git-send-email-michaelc@cs.wisc.edu> <1197571428957-git-send-email-michaelc@cs.wisc.edu> <11975714291290-git-send-email-michaelc@cs.wisc.edu> <11975714303190-git-send-email-michaelc@cs.wisc.edu> <11975714323427-git-send-email-michaelc@cs.wisc.edu> <11975714333916-git-send-email-michaelc@cs.wisc.edu> <11975714342353-git-send-email-michaelc@cs.wisc.edu> <1197571435692-git-send-email-michaelc@cs.wisc.edu> <119757143673-git-send-email-michaelc@cs.wisc.edu> <11975714363904-git-send-email-michaelc@cs.wisc.edu> <11975714372848-git-send-email-michaelc@cs.wisc.edu> <11975714382641-git-send-email-michaelc@cs.wisc.edu> <11975714404116-git-send-email-michaelc@cs.wisc.edu> Return-path: Received: from mx1.redhat.com ([66.187.233.31]:47100 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759612AbXLMSoK (ORCPT ); Thu, 13 Dec 2007 13:44:10 -0500 In-Reply-To: <11975714404116-git-send-email-michaelc@cs.wisc.edu> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org Cc: Mike Christie From: Mike Christie If the target requests a logout, then we do not want to fail commands to scsi-ml right away. This patch just fails in pending commands for a requeue immediately, and then lets iscsid handle running commands like normal recovery. Signed-off-by: Mike Christie --- drivers/scsi/libiscsi.c | 14 ++++++-------- 1 files changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 9688361..b17081b 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -917,7 +917,7 @@ check_mgmt: conn->ctask = list_entry(conn->xmitqueue.next, struct iscsi_cmd_task, running); if (conn->session->state == ISCSI_STATE_LOGGING_OUT) { - fail_command(conn, conn->ctask, DID_NO_CONNECT << 16); + fail_command(conn, conn->ctask, DID_IMM_RETRY << 16); continue; } if (iscsi_prep_scsi_cmd_pdu(conn->ctask)) { @@ -1024,21 +1024,19 @@ int iscsi_queuecommand(struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *)) * be entering our queuecommand while a block is starting * up because the block code is not locked) */ - if (session->state == ISCSI_STATE_IN_RECOVERY) { + switch (session->state) { + case ISCSI_STATE_IN_RECOVERY: reason = FAILURE_SESSION_IN_RECOVERY; goto reject; - } - - switch (session->state) { + case ISCSI_STATE_LOGGING_OUT: + reason = FAILURE_SESSION_LOGGING_OUT; + goto reject; case ISCSI_STATE_RECOVERY_FAILED: reason = FAILURE_SESSION_RECOVERY_TIMEOUT; break; case ISCSI_STATE_TERMINATE: reason = FAILURE_SESSION_TERMINATE; break; - case ISCSI_STATE_LOGGING_OUT: - reason = FAILURE_SESSION_LOGGING_OUT; - break; default: reason = FAILURE_SESSION_FREED; } -- 1.5.1.2