From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753388AbbDCQAU (ORCPT ); Fri, 3 Apr 2015 12:00:20 -0400 Received: from mx0b-00082601.pphosted.com ([67.231.153.30]:7214 "EHLO mx0b-00082601.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752903AbbDCP6c (ORCPT ); Fri, 3 Apr 2015 11:58:32 -0400 From: Jens Axboe To: , , CC: , Jens Axboe Subject: [PATCH 3/7] scsi: add scsi-mq helpers to retrieve pdu and check started state Date: Fri, 3 Apr 2015 09:58:19 -0600 Message-ID: <1428076703-31014-4-git-send-email-axboe@fb.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1428076703-31014-1-git-send-email-axboe@fb.com> References: <1428076703-31014-1-git-send-email-axboe@fb.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [192.168.52.13] X-Proofpoint-Spam-Reason: safe X-FB-Internal: Safe X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.13.68,1.0.33,0.0.0000 definitions=2015-04-03_06:2015-04-03,2015-04-03,1970-01-01 signatures=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org scsi_mq_scmd_to_pdu() returns the LLD pdu associated with a struct scsi_cmnd. scsi_mq_scmd_start() returns whether or not a given scsi command has been started or not. Signed-off-by: Jens Axboe --- include/scsi/scsi_cmnd.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h index 9fc1aecfc813..df02c89e8714 100644 --- a/include/scsi/scsi_cmnd.h +++ b/include/scsi/scsi_cmnd.h @@ -8,6 +8,7 @@ #include #include #include +#include struct Scsi_Host; struct scsi_driver; @@ -155,6 +156,16 @@ static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd) return *(struct scsi_driver **)cmd->request->rq_disk->private_data; } +static inline void *scsi_mq_scmd_to_pdu(struct scsi_cmnd *scmd) +{ + return blk_mq_rq_to_pdu(scmd->request) + sizeof(*scmd); +} + +static inline bool scsi_mq_scmd_started(struct scsi_cmnd *scmd) +{ + return blk_mq_request_started(scmd->request); +} + extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t); extern void scsi_put_command(struct scsi_cmnd *); extern void scsi_finish_command(struct scsi_cmnd *cmd); -- 1.9.1