From patchwork Mon Oct 16 12:15:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hannes Reinecke X-Patchwork-Id: 734190 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 416B1CDB465 for ; Mon, 16 Oct 2023 12:16:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233644AbjJPMP7 (ORCPT ); Mon, 16 Oct 2023 08:15:59 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36422 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232995AbjJPMPy (ORCPT ); Mon, 16 Oct 2023 08:15:54 -0400 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DD04E8E for ; Mon, 16 Oct 2023 05:15:50 -0700 (PDT) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id 6F81921C59; Mon, 16 Oct 2023 12:15:49 +0000 (UTC) Received: from adalid.arch.suse.de (adalid.arch.suse.de [10.161.8.13]) by relay2.suse.de (Postfix) with ESMTP id 21A2C2D158; Mon, 16 Oct 2023 12:15:49 +0000 (UTC) Received: by adalid.arch.suse.de (Postfix, from userid 16045) id 2D37051EBDFA; Mon, 16 Oct 2023 14:15:49 +0200 (CEST) From: Hannes Reinecke To: "Martin K. Petersen" Cc: Christoph Hellwig , James Bottomley , linux-scsi@vger.kernel.org, Hannes Reinecke Subject: [PATCH 5/9] scsi: set host byte after EH completed Date: Mon, 16 Oct 2023 14:15:38 +0200 Message-Id: <20231016121542.111501-6-hare@suse.de> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20231016121542.111501-1-hare@suse.de> References: <20231016121542.111501-1-hare@suse.de> MIME-Version: 1.0 X-Spamd-Bar: ++++++++++++++ Authentication-Results: smtp-out1.suse.de; dkim=none; dmarc=none; spf=softfail (smtp-out1.suse.de: 149.44.160.134 is neither permitted nor denied by domain of hare@suse.de) smtp.mailfrom=hare@suse.de X-Rspamd-Server: rspamd2 X-Spamd-Result: default: False [14.49 / 50.00]; ARC_NA(0.00)[]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_MISSING_CHARSET(2.50)[]; NEURAL_SPAM_SHORT(2.00)[1.000]; MIME_GOOD(-0.10)[text/plain]; DMARC_NA(0.20)[suse.de]; BROKEN_CONTENT_TYPE(1.50)[]; R_SPF_SOFTFAIL(0.60)[~all:c]; RCPT_COUNT_FIVE(0.00)[5]; TO_MATCH_ENVRCPT_SOME(0.00)[]; VIOLATED_DIRECT_SPF(3.50)[]; MX_GOOD(-0.01)[]; NEURAL_SPAM_LONG(3.00)[1.000]; MID_CONTAINS_FROM(1.00)[]; RWL_MAILSPIKE_GOOD(0.00)[149.44.160.134:from]; RCVD_NO_TLS_LAST(0.10)[]; FROM_EQ_ENVFROM(0.00)[]; R_DKIM_NA(0.20)[]; MIME_TRACE(0.00)[0:+]; RCVD_COUNT_TWO(0.00)[2] X-Rspamd-Queue-Id: 6F81921C59 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org When SCSI EH completes we should be setting the host byte to DID_ABORT, DID_RESET, or DID_TRANSPORT_DISRUPTED to inform the caller that some EH processing has happened. Signed-off-by: Hannes Reinecke --- drivers/scsi/scsi_error.c | 35 ++++++++++++++++++++++++----------- 1 file changed, 24 insertions(+), 11 deletions(-) diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 826bc7f4d59f..cdbad217d013 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -1262,9 +1262,10 @@ scsi_eh_action(struct scsi_cmnd *scmd, enum scsi_disposition rtn) } /** - * scsi_eh_finish_cmd - Handle a cmd that eh is finished with. + * __scsi_eh_finish_cmd - Handle a cmd that eh is finished with. * @scmd: Original SCSI cmd that eh has finished. * @done_q: Queue for processed commands. + * @host_byte: Host byte of the command status to be set * * Notes: * We don't want to use the normal command completion while we are are @@ -1273,10 +1274,18 @@ scsi_eh_action(struct scsi_cmnd *scmd, enum scsi_disposition rtn) * keep a list of pending commands for final completion, and once we * are ready to leave error handling we handle completion for real. */ -void scsi_eh_finish_cmd(struct scsi_cmnd *scmd, struct list_head *done_q) +void __scsi_eh_finish_cmd(struct scsi_cmnd *scmd, struct list_head *done_q, + int host_byte) { + if (host_byte) + set_host_byte(scmd, host_byte); list_move_tail(&scmd->eh_entry, done_q); } + +void scsi_eh_finish_cmd(struct scsi_cmnd *scmd, struct list_head *done_q) +{ + __scsi_eh_finish_cmd(scmd, done_q, DID_OK); +} EXPORT_SYMBOL(scsi_eh_finish_cmd); /** @@ -1451,7 +1460,8 @@ static int scsi_eh_test_devices(struct list_head *cmd_list, if (finish_cmds && (try_stu || scsi_eh_action(scmd, SUCCESS) == SUCCESS)) - scsi_eh_finish_cmd(scmd, done_q); + __scsi_eh_finish_cmd(scmd, done_q, + DID_RESET); else list_move_tail(&scmd->eh_entry, work_q); } @@ -1600,8 +1610,9 @@ static int scsi_eh_bus_device_reset(struct Scsi_Host *shost, work_q, eh_entry) { if (scmd->device == sdev && scsi_eh_action(scmd, rtn) != FAILED) - scsi_eh_finish_cmd(scmd, - done_q); + __scsi_eh_finish_cmd(scmd, + done_q, + DID_RESET); } } } else { @@ -1671,7 +1682,8 @@ static int scsi_eh_target_reset(struct Scsi_Host *shost, if (rtn == SUCCESS) list_move_tail(&scmd->eh_entry, &check_list); else if (rtn == FAST_IO_FAIL) - scsi_eh_finish_cmd(scmd, done_q); + __scsi_eh_finish_cmd(scmd, done_q, + DID_TRANSPORT_DISRUPTED); else /* push back on work queue for further processing */ list_move(&scmd->eh_entry, work_q); @@ -1736,8 +1748,9 @@ static int scsi_eh_bus_reset(struct Scsi_Host *shost, list_for_each_entry_safe(scmd, next, work_q, eh_entry) { if (channel == scmd_channel(scmd)) { if (rtn == FAST_IO_FAIL) - scsi_eh_finish_cmd(scmd, - done_q); + __scsi_eh_finish_cmd(scmd, + done_q, + DID_TRANSPORT_DISRUPTED); else list_move_tail(&scmd->eh_entry, &check_list); @@ -1780,9 +1793,9 @@ static int scsi_eh_host_reset(struct Scsi_Host *shost, if (rtn == SUCCESS) { list_splice_init(work_q, &check_list); } else if (rtn == FAST_IO_FAIL) { - list_for_each_entry_safe(scmd, next, work_q, eh_entry) { - scsi_eh_finish_cmd(scmd, done_q); - } + list_for_each_entry_safe(scmd, next, work_q, eh_entry) + __scsi_eh_finish_cmd(scmd, done_q, + DID_TRANSPORT_DISRUPTED); } else { SCSI_LOG_ERROR_RECOVERY(3, shost_printk(KERN_INFO, shost,