From patchwork Mon May 24 03:08:08 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bart Van Assche X-Patchwork-Id: 447752 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, 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 12F5AC47080 for ; Mon, 24 May 2021 03:09:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E9CCD6115C for ; Mon, 24 May 2021 03:09:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232167AbhEXDKh (ORCPT ); Sun, 23 May 2021 23:10:37 -0400 Received: from mail-pj1-f41.google.com ([209.85.216.41]:50857 "EHLO mail-pj1-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232136AbhEXDKg (ORCPT ); Sun, 23 May 2021 23:10:36 -0400 Received: by mail-pj1-f41.google.com with SMTP id t11so14030538pjm.0 for ; Sun, 23 May 2021 20:09:08 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=3zfjdcXICQaCuBGw+/82htv5ZGZEI5sLVxDqg4zuq08=; b=CllM65Cki3AVRqKpsN7kaI62oPi0iwKOxwUYPFHIwXfnV8N+4wTkHC8BOQwwxV3klj 04slDNvb+TzMkPstqXphxsPDSWAn4YdI2AOPFNN1fEJAlhOhxxa9tvvKOZ//EzjCzPyk EK1NICOXjeMsMtS/b1fP1MCsuIVPajWnpSmGY5De7wOH3mZtZf07OOCOok64Zsm94yUn 3fQ/OMvzQeT4szK85QoXSyI7HFrwkuLMTUwB2npMw31yzCwZf8x+FMX7EmqJnpoThi2m cgu/6N71cpyUyE4Hc7130OfwI8rm4qeRAnUQO3pRjROcaxv20dV3njLGU0+ilAsocKjZ za6Q== X-Gm-Message-State: AOAM533dabjzAhHtp5m+1hCkIGSmKlfHGzWsLisQaAqHHKcJdELiACBJ 3HJqSecVxc7oZ9+16jtcywQ= X-Google-Smtp-Source: ABdhPJx+CZWHD0JjD8w/Lu6y1494CYvbuE0rHg08QHRiF9pBhdUsuioiLU1YEe52KMOZsn9qYXg9Dg== X-Received: by 2002:a17:90a:c096:: with SMTP id o22mr23427640pjs.231.1621825748199; Sun, 23 May 2021 20:09:08 -0700 (PDT) Received: from asus.hsd1.ca.comcast.net (c-73-241-217-19.hsd1.ca.comcast.net. [73.241.217.19]) by smtp.gmail.com with ESMTPSA id v9sm11131863pjd.26.2021.05.23.20.09.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 23 May 2021 20:09:07 -0700 (PDT) From: Bart Van Assche To: "Martin K . Petersen" Cc: Christoph Hellwig , linux-scsi@vger.kernel.org, Bart Van Assche , Hannes Reinecke , Ming Lei , "James E.J. Bottomley" Subject: [PATCH v3 03/51] sd: Use scsi_cmd_to_rq() instead of scsi_cmnd.request Date: Sun, 23 May 2021 20:08:08 -0700 Message-Id: <20210524030856.2824-4-bvanassche@acm.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210524030856.2824-1-bvanassche@acm.org> References: <20210524030856.2824-1-bvanassche@acm.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Prepare for removal of the request pointer by using scsi_cmd_to_rq() instead. This patch does not change any functionality. Cc: Christoph Hellwig Cc: Hannes Reinecke Cc: Ming Lei Signed-off-by: Bart Van Assche --- drivers/scsi/sd.c | 33 +++++++++++++++++---------------- drivers/scsi/sd_zbc.c | 10 +++++----- 2 files changed, 22 insertions(+), 21 deletions(-) diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index cb3c37d1e009..cb7f8a343b67 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -779,8 +779,9 @@ static unsigned int sd_prot_flag_mask(unsigned int prot_op) static unsigned char sd_setup_protect_cmnd(struct scsi_cmnd *scmd, unsigned int dix, unsigned int dif) { - struct bio *bio = scmd->request->bio; - unsigned int prot_op = sd_prot_op(rq_data_dir(scmd->request), dix, dif); + struct request *rq = scsi_cmd_to_rq(scmd); + struct bio *bio = rq->bio; + unsigned int prot_op = sd_prot_op(rq_data_dir(rq), dix, dif); unsigned int protect = 0; if (dix) { /* DIX Type 0, 1, 2, 3 */ @@ -871,7 +872,7 @@ static void sd_config_discard(struct scsi_disk *sdkp, unsigned int mode) static blk_status_t sd_setup_unmap_cmnd(struct scsi_cmnd *cmd) { struct scsi_device *sdp = cmd->device; - struct request *rq = cmd->request; + struct request *rq = scsi_cmd_to_rq(cmd); struct scsi_disk *sdkp = scsi_disk(rq->rq_disk); u64 lba = sectors_to_logical(sdp, blk_rq_pos(rq)); u32 nr_blocks = sectors_to_logical(sdp, blk_rq_sectors(rq)); @@ -907,7 +908,7 @@ static blk_status_t sd_setup_write_same16_cmnd(struct scsi_cmnd *cmd, bool unmap) { struct scsi_device *sdp = cmd->device; - struct request *rq = cmd->request; + struct request *rq = scsi_cmd_to_rq(cmd); struct scsi_disk *sdkp = scsi_disk(rq->rq_disk); u64 lba = sectors_to_logical(sdp, blk_rq_pos(rq)); u32 nr_blocks = sectors_to_logical(sdp, blk_rq_sectors(rq)); @@ -939,7 +940,7 @@ static blk_status_t sd_setup_write_same10_cmnd(struct scsi_cmnd *cmd, bool unmap) { struct scsi_device *sdp = cmd->device; - struct request *rq = cmd->request; + struct request *rq = scsi_cmd_to_rq(cmd); struct scsi_disk *sdkp = scsi_disk(rq->rq_disk); u64 lba = sectors_to_logical(sdp, blk_rq_pos(rq)); u32 nr_blocks = sectors_to_logical(sdp, blk_rq_sectors(rq)); @@ -969,7 +970,7 @@ static blk_status_t sd_setup_write_same10_cmnd(struct scsi_cmnd *cmd, static blk_status_t sd_setup_write_zeroes_cmnd(struct scsi_cmnd *cmd) { - struct request *rq = cmd->request; + struct request *rq = scsi_cmd_to_rq(cmd); struct scsi_device *sdp = cmd->device; struct scsi_disk *sdkp = scsi_disk(rq->rq_disk); u64 lba = sectors_to_logical(sdp, blk_rq_pos(rq)); @@ -1066,7 +1067,7 @@ static void sd_config_write_same(struct scsi_disk *sdkp) **/ static blk_status_t sd_setup_write_same_cmnd(struct scsi_cmnd *cmd) { - struct request *rq = cmd->request; + struct request *rq = scsi_cmd_to_rq(cmd); struct scsi_device *sdp = cmd->device; struct scsi_disk *sdkp = scsi_disk(rq->rq_disk); struct bio *bio = rq->bio; @@ -1115,7 +1116,7 @@ static blk_status_t sd_setup_write_same_cmnd(struct scsi_cmnd *cmd) static blk_status_t sd_setup_flush_cmnd(struct scsi_cmnd *cmd) { - struct request *rq = cmd->request; + struct request *rq = scsi_cmd_to_rq(cmd); struct scsi_disk *sdkp = scsi_disk(rq->rq_disk); /* flush requests don't perform I/O, zero the S/G table */ @@ -1213,7 +1214,7 @@ static blk_status_t sd_setup_rw6_cmnd(struct scsi_cmnd *cmd, bool write, static blk_status_t sd_setup_read_write_cmnd(struct scsi_cmnd *cmd) { - struct request *rq = cmd->request; + struct request *rq = scsi_cmd_to_rq(cmd); struct scsi_device *sdp = cmd->device; struct scsi_disk *sdkp = scsi_disk(rq->rq_disk); sector_t lba = sectors_to_logical(sdp, blk_rq_pos(rq)); @@ -1327,7 +1328,7 @@ static blk_status_t sd_setup_read_write_cmnd(struct scsi_cmnd *cmd) static blk_status_t sd_init_command(struct scsi_cmnd *cmd) { - struct request *rq = cmd->request; + struct request *rq = scsi_cmd_to_rq(cmd); switch (req_op(rq)) { case REQ_OP_DISCARD: @@ -1373,7 +1374,7 @@ static blk_status_t sd_init_command(struct scsi_cmnd *cmd) static void sd_uninit_command(struct scsi_cmnd *SCpnt) { - struct request *rq = SCpnt->request; + struct request *rq = scsi_cmd_to_rq(SCpnt); u8 *cmnd; if (rq->rq_flags & RQF_SPECIAL_PAYLOAD) @@ -1906,7 +1907,7 @@ static const struct block_device_operations sd_fops = { **/ static void sd_eh_reset(struct scsi_cmnd *scmd) { - struct scsi_disk *sdkp = scsi_disk(scmd->request->rq_disk); + struct scsi_disk *sdkp = scsi_disk(scsi_cmd_to_rq(scmd)->rq_disk); /* New SCSI EH run, reset gate variable */ sdkp->ignore_medium_access_errors = false; @@ -1926,7 +1927,7 @@ static void sd_eh_reset(struct scsi_cmnd *scmd) **/ static int sd_eh_action(struct scsi_cmnd *scmd, int eh_disp) { - struct scsi_disk *sdkp = scsi_disk(scmd->request->rq_disk); + struct scsi_disk *sdkp = scsi_disk(scsi_cmd_to_rq(scmd)->rq_disk); struct scsi_device *sdev = scmd->device; if (!scsi_device_online(sdev) || @@ -1967,7 +1968,7 @@ static int sd_eh_action(struct scsi_cmnd *scmd, int eh_disp) static unsigned int sd_completed_bytes(struct scsi_cmnd *scmd) { - struct request *req = scmd->request; + struct request *req = scsi_cmd_to_rq(scmd); struct scsi_device *sdev = scmd->device; unsigned int transferred, good_bytes; u64 start_lba, end_lba, bad_lba; @@ -2022,8 +2023,8 @@ static int sd_done(struct scsi_cmnd *SCpnt) unsigned int sector_size = SCpnt->device->sector_size; unsigned int resid; struct scsi_sense_hdr sshdr; - struct scsi_disk *sdkp = scsi_disk(SCpnt->request->rq_disk); - struct request *req = SCpnt->request; + struct request *req = scsi_cmd_to_rq(SCpnt); + struct scsi_disk *sdkp = scsi_disk(req->rq_disk); int sense_valid = 0; int sense_deferred = 0; diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c index e45d8d94574c..d2afaa11e2ee 100644 --- a/drivers/scsi/sd_zbc.c +++ b/drivers/scsi/sd_zbc.c @@ -244,7 +244,7 @@ int sd_zbc_report_zones(struct gendisk *disk, sector_t sector, static blk_status_t sd_zbc_cmnd_checks(struct scsi_cmnd *cmd) { - struct request *rq = cmd->request; + struct request *rq = scsi_cmd_to_rq(cmd); struct scsi_disk *sdkp = scsi_disk(rq->rq_disk); sector_t sector = blk_rq_pos(rq); @@ -322,7 +322,7 @@ static void sd_zbc_update_wp_offset_workfn(struct work_struct *work) blk_status_t sd_zbc_prepare_zone_append(struct scsi_cmnd *cmd, sector_t *lba, unsigned int nr_blocks) { - struct request *rq = cmd->request; + struct request *rq = scsi_cmd_to_rq(cmd); struct scsi_disk *sdkp = scsi_disk(rq->rq_disk); unsigned int wp_offset, zno = blk_rq_zone_no(rq); unsigned long flags; @@ -387,7 +387,7 @@ blk_status_t sd_zbc_prepare_zone_append(struct scsi_cmnd *cmd, sector_t *lba, blk_status_t sd_zbc_setup_zone_mgmt_cmnd(struct scsi_cmnd *cmd, unsigned char op, bool all) { - struct request *rq = cmd->request; + struct request *rq = scsi_cmd_to_rq(cmd); sector_t sector = blk_rq_pos(rq); struct scsi_disk *sdkp = scsi_disk(rq->rq_disk); sector_t block = sectors_to_logical(sdkp->device, sector); @@ -443,7 +443,7 @@ static unsigned int sd_zbc_zone_wp_update(struct scsi_cmnd *cmd, unsigned int good_bytes) { int result = cmd->result; - struct request *rq = cmd->request; + struct request *rq = scsi_cmd_to_rq(cmd); struct scsi_disk *sdkp = scsi_disk(rq->rq_disk); unsigned int zno = blk_rq_zone_no(rq); enum req_opf op = req_op(rq); @@ -517,7 +517,7 @@ unsigned int sd_zbc_complete(struct scsi_cmnd *cmd, unsigned int good_bytes, struct scsi_sense_hdr *sshdr) { int result = cmd->result; - struct request *rq = cmd->request; + struct request *rq = scsi_cmd_to_rq(cmd); if (op_is_zone_mgmt(req_op(rq)) && result &&