block: remove the ->rq_disk field in struct request

Just use the disk attached to the request_queue instead.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Link: https://lore.kernel.org/r/20211126121802.2090656-4-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>

20 files changed, 46 insertions, 44 deletions

diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index 1eec5113d0b5..5a566f2fd533 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c
@@ -1505,7 +1505,7 @@ static blk_status_t amiflop_queue_rq(struct blk_mq_hw_ctx *hctx,
 				     const struct blk_mq_queue_data *bd)
 {
 	struct request *rq = bd->rq;
-	struct amiga_floppy_struct *floppy = rq->rq_disk->private_data;
+	struct amiga_floppy_struct *floppy = rq->q->disk->private_data;
 	blk_status_t err;
 
 	if (!spin_trylock_irq(&amiflop_lock))
diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
index f3ff9babdb5c..5d819a466e2f 100644
--- a/drivers/block/ataflop.c
+++ b/drivers/block/ataflop.c
@@ -1502,7 +1502,7 @@ static void setup_req_params( int drive )
 static blk_status_t ataflop_queue_rq(struct blk_mq_hw_ctx *hctx,
 				     const struct blk_mq_queue_data *bd)
 {
-	struct atari_floppy_struct *floppy = bd->rq->rq_disk->private_data;
+	struct atari_floppy_struct *floppy = bd->rq->q->disk->private_data;
 	int drive = floppy - unit;
 	int type = floppy->type;
 
@@ -1538,7 +1538,7 @@ static blk_status_t ataflop_queue_rq(struct blk_mq_hw_ctx *hctx,
 		if (!UDT) {
 			Probing = 1;
 			UDT = atari_disk_type + StartDiskType[DriveType];
-			set_capacity(bd->rq->rq_disk, UDT->blocks);
+			set_capacity(bd->rq->q->disk, UDT->blocks);
 			UD.autoprobe = 1;
 		}
 	} 
@@ -1558,7 +1558,7 @@ static blk_status_t ataflop_queue_rq(struct blk_mq_hw_ctx *hctx,
 		}
 		type = minor2disktype[type].index;
 		UDT = &atari_disk_type[type];
-		set_capacity(bd->rq->rq_disk, UDT->blocks);
+		set_capacity(bd->rq->q->disk, UDT->blocks);
 		UD.autoprobe = 0;
 	}
 
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 7f0a60c4079f..0c638de25023 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -2259,7 +2259,7 @@ static int do_format(int drive, struct format_descr *tmp_format_req)
 static void floppy_end_request(struct request *req, blk_status_t error)
 {
 	unsigned int nr_sectors = current_count_sectors;
-	unsigned int drive = (unsigned long)req->rq_disk->private_data;
+	unsigned int drive = (unsigned long)req->q->disk->private_data;
 
 	/* current_count_sectors can be zero if transfer failed */
 	if (error)
@@ -2550,7 +2550,7 @@ static int make_raw_rw_request(void)
 	if (WARN(max_buffer_sectors == 0, "VFS: Block I/O scheduled on unopened device\n"))
 		return 0;
 
-	set_fdc((long)current_req->rq_disk->private_data);
+	set_fdc((long)current_req->q->disk->private_data);
 
 	raw_cmd = &default_raw_cmd;
 	raw_cmd->flags = FD_RAW_SPIN | FD_RAW_NEED_DISK | FD_RAW_NEED_SEEK;
@@ -2792,7 +2792,7 @@ do_request:
 			return;
 		}
 	}
-	drive = (long)current_req->rq_disk->private_data;
+	drive = (long)current_req->q->disk->private_data;
 	set_fdc(drive);
 	reschedule_timeout(current_drive, "redo fd request");
 
diff --git a/drivers/block/null_blk/trace.h b/drivers/block/null_blk/trace.h
index ce3b430e88c5..86d6c12c603c 100644
--- a/drivers/block/null_blk/trace.h
+++ b/drivers/block/null_blk/trace.h
@@ -44,7 +44,7 @@ TRACE_EVENT(nullb_zone_op,
 		__entry->op = req_op(cmd->rq);
 		__entry->zone_no = zone_no;
 		__entry->zone_cond = zone_cond;
-		__assign_disk_name(__entry->disk, cmd->rq->rq_disk);
+		__assign_disk_name(__entry->disk, cmd->rq->q->disk);
 	    ),
 	    TP_printk("%s req=%-15s zone_no=%u zone_cond=%-10s",
 		      __print_disk_name(__entry->disk),
diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index 255fd3d4b8a8..f462ad67931a 100644
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -690,7 +690,7 @@ static void pcd_request(void)
 	if (!pcd_req && !set_next_request())
 		return;
 
-	cd = pcd_req->rq_disk->private_data;
+	cd = pcd_req->q->disk->private_data;
 	if (cd != pcd_current)
 		pcd_bufblk = -1;
 	pcd_current = cd;
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c
index fba865058a17..4f8cce510562 100644
--- a/drivers/block/paride/pd.c
+++ b/drivers/block/paride/pd.c
@@ -430,7 +430,7 @@ static void run_fsm(void)
 		int stop = 0;
 
 		if (!phase) {
-			pd_current = pd_req->rq_disk->private_data;
+			pd_current = pd_req->q->disk->private_data;
 			pi_current = pd_current->pi;
 			phase = do_pd_io_start;
 		}
@@ -492,7 +492,7 @@ static enum action do_pd_io_start(void)
 	case REQ_OP_WRITE:
 		pd_block = blk_rq_pos(pd_req);
 		pd_count = blk_rq_cur_sectors(pd_req);
-		if (pd_block + pd_count > get_capacity(pd_req->rq_disk))
+		if (pd_block + pd_count > get_capacity(pd_req->q->disk))
 			return Fail;
 		pd_run = blk_rq_sectors(pd_req);
 		pd_buf = bio_data(pd_req->bio);
diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c
index b84a6448a4f7..292e9a4ce1b9 100644
--- a/drivers/block/paride/pf.c
+++ b/drivers/block/paride/pf.c
@@ -746,12 +746,12 @@ repeat:
 	if (!pf_req && !set_next_request())
 		return;
 
-	pf_current = pf_req->rq_disk->private_data;
+	pf_current = pf_req->q->disk->private_data;
 	pf_block = blk_rq_pos(pf_req);
 	pf_run = blk_rq_sectors(pf_req);
 	pf_count = blk_rq_cur_sectors(pf_req);
 
-	if (pf_block + pf_count > get_capacity(pf_req->rq_disk)) {
+	if (pf_block + pf_count > get_capacity(pf_req->q->disk)) {
 		pf_end_request(BLK_STS_IOERR);
 		goto repeat;
 	}
diff --git a/drivers/block/rnbd/rnbd-clt.c b/drivers/block/rnbd/rnbd-clt.c
index 2df0657cdf00..67a8edbaa1fd 100644
--- a/drivers/block/rnbd/rnbd-clt.c
+++ b/drivers/block/rnbd/rnbd-clt.c
@@ -393,7 +393,7 @@ static void rnbd_put_iu(struct rnbd_clt_session *sess, struct rnbd_iu *iu)
 
 static void rnbd_softirq_done_fn(struct request *rq)
 {
-	struct rnbd_clt_dev *dev	= rq->rq_disk->private_data;
+	struct rnbd_clt_dev *dev	= rq->q->disk->private_data;
 	struct rnbd_clt_session *sess	= dev->sess;
 	struct rnbd_iu *iu;
 
@@ -1133,7 +1133,7 @@ static blk_status_t rnbd_queue_rq(struct blk_mq_hw_ctx *hctx,
 				   const struct blk_mq_queue_data *bd)
 {
 	struct request *rq = bd->rq;
-	struct rnbd_clt_dev *dev = rq->rq_disk->private_data;
+	struct rnbd_clt_dev *dev = rq->q->disk->private_data;
 	struct rnbd_iu *iu = blk_mq_rq_to_pdu(rq);
 	int err;
 	blk_status_t ret = BLK_STS_IOERR;
diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c
index 2157936de623..146d85d80e0e 100644
--- a/drivers/block/sunvdc.c
+++ b/drivers/block/sunvdc.c
@@ -462,7 +462,7 @@ static int __vdc_tx_trigger(struct vdc_port *port)
 
 static int __send_request(struct request *req)
 {
-	struct vdc_port *port = req->rq_disk->private_data;
+	struct vdc_port *port = req->q->disk->private_data;
 	struct vio_dring_state *dr = &port->vio.drings[VIO_DRIVER_TX_RING];
 	struct scatterlist sg[MAX_RING_COOKIES];
 	struct vdc_req_entry *rqe;
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index 90dc9cc48881..f4719b65e5e3 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -550,7 +550,6 @@ static int multipath_clone_and_map(struct dm_target *ti, struct request *rq,
 		return DM_MAPIO_REQUEUE;
 	}
 	clone->bio = clone->biotail = NULL;
-	clone->rq_disk = bdev->bd_disk;
 	clone->cmd_flags |= REQ_FAILFAST_TRANSPORT;
 	*__clone = clone;
 
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 635b79899b9f..dc094f73d335 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -1837,7 +1837,7 @@ static void mmc_blk_mq_rw_recovery(struct mmc_queue *mq, struct request *req)
 	/* Reset if the card is in a bad state */
 	if (!mmc_host_is_spi(mq->card->host) &&
 	    err && mmc_blk_reset(md, card->host, type)) {
-		pr_err("%s: recovery failed!\n", req->rq_disk->disk_name);
+		pr_err("%s: recovery failed!\n", req->q->disk->disk_name);
 		mqrq->retries = MMC_NO_RETRIES;
 		return;
 	}
diff --git a/drivers/nvme/host/fault_inject.c b/drivers/nvme/host/fault_inject.c
index 1352159733b0..83d2e6860d38 100644
--- a/drivers/nvme/host/fault_inject.c
+++ b/drivers/nvme/host/fault_inject.c
@@ -56,7 +56,7 @@ void nvme_fault_inject_fini(struct nvme_fault_inject *fault_inject)
 
 void nvme_should_fail(struct request *req)
 {
-	struct gendisk *disk = req->rq_disk;
+	struct gendisk *disk = req->q->disk;
 	struct nvme_fault_inject *fault_inject = NULL;
 	u16 status;
 
diff --git a/drivers/nvme/host/trace.h b/drivers/nvme/host/trace.h
index 35bac7a25422..b5f85259461a 100644
--- a/drivers/nvme/host/trace.h
+++ b/drivers/nvme/host/trace.h
@@ -68,7 +68,7 @@ TRACE_EVENT(nvme_setup_cmd,
 		__entry->nsid = le32_to_cpu(cmd->common.nsid);
 		__entry->metadata = !!blk_integrity_rq(req);
 		__entry->fctype = cmd->fabrics.fctype;
-		__assign_disk_name(__entry->disk, req->rq_disk);
+		__assign_disk_name(__entry->disk, req->q->disk);
 		memcpy(__entry->cdw10, &cmd->common.cdw10,
 			sizeof(__entry->cdw10));
 	    ),
@@ -103,7 +103,7 @@ TRACE_EVENT(nvme_complete_rq,
 		__entry->retries = nvme_req(req)->retries;
 		__entry->flags = nvme_req(req)->flags;
 		__entry->status = nvme_req(req)->status;
-		__assign_disk_name(__entry->disk, req->rq_disk);
+		__assign_disk_name(__entry->disk, req->q->disk);
 	    ),
 	    TP_printk("nvme%d: %sqid=%d, cmdid=%u, res=%#llx, retries=%u, flags=0x%x, status=%#x",
 		      __entry->ctrl_id, __print_disk_name(__entry->disk),
@@ -153,7 +153,7 @@ TRACE_EVENT(nvme_sq,
 	),
 	TP_fast_assign(
 		__entry->ctrl_id = nvme_req(req)->ctrl->instance;
-		__assign_disk_name(__entry->disk, req->rq_disk);
+		__assign_disk_name(__entry->disk, req->q->disk);
 		__entry->qid = nvme_req_qid(req);
 		__entry->sq_head = le16_to_cpu(sq_head);
 		__entry->sq_tail = sq_tail;
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 5e8b5ecb3245..c23cf8e7b3c3 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -543,8 +543,9 @@ static bool scsi_end_request(struct request *req, blk_status_t error,
 	if (blk_update_request(req, error, bytes))
 		return true;
 
+	// XXX:
 	if (blk_queue_add_random(q))
-		add_disk_randomness(req->rq_disk);
+		add_disk_randomness(req->q->disk);
 
 	if (!blk_rq_is_passthrough(req)) {
 		WARN_ON_ONCE(!(cmd->flags & SCMD_INITIALIZED));
diff --git a/drivers/scsi/scsi_logging.c b/drivers/scsi/scsi_logging.c
index ed9572252a42..1f8f80b2dbfc 100644
--- a/drivers/scsi/scsi_logging.c
+++ b/drivers/scsi/scsi_logging.c
@@ -30,7 +30,9 @@ static inline const char *scmd_name(const struct scsi_cmnd *scmd)
 {
 	struct request *rq = scsi_cmd_to_rq((struct scsi_cmnd *)scmd);
 
-	return rq->rq_disk ? rq->rq_disk->disk_name : NULL;
+	if (!rq->q->disk)
+		return NULL;
+	return rq->q->disk->disk_name;
 }
 
 static size_t sdev_format_header(char *logbuf, size_t logbuf_len,
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index bba1f5dafd38..8181857ddf53 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -872,7 +872,7 @@ static blk_status_t sd_setup_unmap_cmnd(struct scsi_cmnd *cmd)
 {
 	struct scsi_device *sdp = cmd->device;
 	struct request *rq = scsi_cmd_to_rq(cmd);
-	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
+	struct scsi_disk *sdkp = scsi_disk(rq->q->disk);
 	u64 lba = sectors_to_logical(sdp, blk_rq_pos(rq));
 	u32 nr_blocks = sectors_to_logical(sdp, blk_rq_sectors(rq));
 	unsigned int data_len = 24;
@@ -908,7 +908,7 @@ static blk_status_t sd_setup_write_same16_cmnd(struct scsi_cmnd *cmd,
 {
 	struct scsi_device *sdp = cmd->device;
 	struct request *rq = scsi_cmd_to_rq(cmd);
-	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
+	struct scsi_disk *sdkp = scsi_disk(rq->q->disk);
 	u64 lba = sectors_to_logical(sdp, blk_rq_pos(rq));
 	u32 nr_blocks = sectors_to_logical(sdp, blk_rq_sectors(rq));
 	u32 data_len = sdp->sector_size;
@@ -940,7 +940,7 @@ static blk_status_t sd_setup_write_same10_cmnd(struct scsi_cmnd *cmd,
 {
 	struct scsi_device *sdp = cmd->device;
 	struct request *rq = scsi_cmd_to_rq(cmd);
-	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
+	struct scsi_disk *sdkp = scsi_disk(rq->q->disk);
 	u64 lba = sectors_to_logical(sdp, blk_rq_pos(rq));
 	u32 nr_blocks = sectors_to_logical(sdp, blk_rq_sectors(rq));
 	u32 data_len = sdp->sector_size;
@@ -971,7 +971,7 @@ static blk_status_t sd_setup_write_zeroes_cmnd(struct scsi_cmnd *cmd)
 {
 	struct request *rq = scsi_cmd_to_rq(cmd);
 	struct scsi_device *sdp = cmd->device;
-	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
+	struct scsi_disk *sdkp = scsi_disk(rq->q->disk);
 	u64 lba = sectors_to_logical(sdp, blk_rq_pos(rq));
 	u32 nr_blocks = sectors_to_logical(sdp, blk_rq_sectors(rq));
 
@@ -1068,7 +1068,7 @@ static blk_status_t sd_setup_write_same_cmnd(struct scsi_cmnd *cmd)
 {
 	struct request *rq = scsi_cmd_to_rq(cmd);
 	struct scsi_device *sdp = cmd->device;
-	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
+	struct scsi_disk *sdkp = scsi_disk(rq->q->disk);
 	struct bio *bio = rq->bio;
 	u64 lba = sectors_to_logical(sdp, blk_rq_pos(rq));
 	u32 nr_blocks = sectors_to_logical(sdp, blk_rq_sectors(rq));
@@ -1116,7 +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 = scsi_cmd_to_rq(cmd);
-	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
+	struct scsi_disk *sdkp = scsi_disk(rq->q->disk);
 
 	/* flush requests don't perform I/O, zero the S/G table */
 	memset(&cmd->sdb, 0, sizeof(cmd->sdb));
@@ -1215,7 +1215,7 @@ static blk_status_t sd_setup_read_write_cmnd(struct scsi_cmnd *cmd)
 {
 	struct request *rq = scsi_cmd_to_rq(cmd);
 	struct scsi_device *sdp = cmd->device;
-	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
+	struct scsi_disk *sdkp = scsi_disk(rq->q->disk);
 	sector_t lba = sectors_to_logical(sdp, blk_rq_pos(rq));
 	sector_t threshold;
 	unsigned int nr_blocks = sectors_to_logical(sdp, blk_rq_sectors(rq));
@@ -1236,7 +1236,7 @@ static blk_status_t sd_setup_read_write_cmnd(struct scsi_cmnd *cmd)
 		goto fail;
 	}
 
-	if (blk_rq_pos(rq) + blk_rq_sectors(rq) > get_capacity(rq->rq_disk)) {
+	if (blk_rq_pos(rq) + blk_rq_sectors(rq) > get_capacity(rq->q->disk)) {
 		scmd_printk(KERN_ERR, cmd, "access beyond end of device\n");
 		goto fail;
 	}
@@ -1331,7 +1331,7 @@ static blk_status_t sd_init_command(struct scsi_cmnd *cmd)
 
 	switch (req_op(rq)) {
 	case REQ_OP_DISCARD:
-		switch (scsi_disk(rq->rq_disk)->provisioning_mode) {
+		switch (scsi_disk(rq->q->disk)->provisioning_mode) {
 		case SD_LBP_UNMAP:
 			return sd_setup_unmap_cmnd(cmd);
 		case SD_LBP_WS16:
@@ -1917,7 +1917,7 @@ static const struct block_device_operations sd_fops = {
  **/
 static void sd_eh_reset(struct scsi_cmnd *scmd)
 {
-	struct scsi_disk *sdkp = scsi_disk(scsi_cmd_to_rq(scmd)->rq_disk);
+	struct scsi_disk *sdkp = scsi_disk(scsi_cmd_to_rq(scmd)->q->disk);
 
 	/* New SCSI EH run, reset gate variable */
 	sdkp->ignore_medium_access_errors = false;
@@ -1937,7 +1937,7 @@ 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(scsi_cmd_to_rq(scmd)->rq_disk);
+	struct scsi_disk *sdkp = scsi_disk(scsi_cmd_to_rq(scmd)->q->disk);
 	struct scsi_device *sdev = scmd->device;
 
 	if (!scsi_device_online(sdev) ||
@@ -2034,7 +2034,7 @@ static int sd_done(struct scsi_cmnd *SCpnt)
 	unsigned int resid;
 	struct scsi_sense_hdr sshdr;
 	struct request *req = scsi_cmd_to_rq(SCpnt);
-	struct scsi_disk *sdkp = scsi_disk(req->rq_disk);
+	struct scsi_disk *sdkp = scsi_disk(req->q->disk);
 	int sense_valid = 0;
 	int sense_deferred = 0;
 
diff --git a/drivers/scsi/sd_zbc.c b/drivers/scsi/sd_zbc.c
index ed06798983f8..65bfd1e170da 100644
--- a/drivers/scsi/sd_zbc.c
+++ b/drivers/scsi/sd_zbc.c
@@ -244,7 +244,7 @@ out:
 static blk_status_t sd_zbc_cmnd_checks(struct scsi_cmnd *cmd)
 {
 	struct request *rq = scsi_cmd_to_rq(cmd);
-	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
+	struct scsi_disk *sdkp = scsi_disk(rq->q->disk);
 	sector_t sector = blk_rq_pos(rq);
 
 	if (!sd_is_zoned(sdkp))
@@ -322,7 +322,7 @@ blk_status_t sd_zbc_prepare_zone_append(struct scsi_cmnd *cmd, sector_t *lba,
 					unsigned int nr_blocks)
 {
 	struct request *rq = scsi_cmd_to_rq(cmd);
-	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
+	struct scsi_disk *sdkp = scsi_disk(rq->q->disk);
 	unsigned int wp_offset, zno = blk_rq_zone_no(rq);
 	unsigned long flags;
 	blk_status_t ret;
@@ -388,7 +388,7 @@ blk_status_t sd_zbc_setup_zone_mgmt_cmnd(struct scsi_cmnd *cmd,
 {
 	struct request *rq = scsi_cmd_to_rq(cmd);
 	sector_t sector = blk_rq_pos(rq);
-	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
+	struct scsi_disk *sdkp = scsi_disk(rq->q->disk);
 	sector_t block = sectors_to_logical(sdkp->device, sector);
 	blk_status_t ret;
 
@@ -443,7 +443,7 @@ static unsigned int sd_zbc_zone_wp_update(struct scsi_cmnd *cmd,
 {
 	int result = cmd->result;
 	struct request *rq = scsi_cmd_to_rq(cmd);
-	struct scsi_disk *sdkp = scsi_disk(rq->rq_disk);
+	struct scsi_disk *sdkp = scsi_disk(rq->q->disk);
 	unsigned int zno = blk_rq_zone_no(rq);
 	enum req_opf op = req_op(rq);
 	unsigned long flags;
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 411e2b01966e..7db595c08b20 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -335,7 +335,7 @@ static int sr_done(struct scsi_cmnd *SCpnt)
 	int block_sectors = 0;
 	long error_sector;
 	struct request *rq = scsi_cmd_to_rq(SCpnt);
-	struct scsi_cd *cd = scsi_cd(rq->rq_disk);
+	struct scsi_cd *cd = scsi_cd(rq->q->disk);
 
 #ifdef DEBUG
 	scmd_printk(KERN_INFO, SCpnt, "done: %x\n", result);
@@ -402,7 +402,7 @@ static blk_status_t sr_init_command(struct scsi_cmnd *SCpnt)
 	ret = scsi_alloc_sgtables(SCpnt);
 	if (ret != BLK_STS_OK)
 		return ret;
-	cd = scsi_cd(rq->rq_disk);
+	cd = scsi_cd(rq->q->disk);
 
 	SCSI_LOG_HLQUEUE(1, scmd_printk(KERN_INFO, SCpnt,
 		"Doing sr request, block = %d\n", block));
diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index 28e1d98ae102..65c642b24ecf 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c
@@ -528,7 +528,7 @@ static void virtio_scsi_init_hdr_pi(struct virtio_device *vdev,
 	if (!rq || !scsi_prot_sg_count(sc))
 		return;
 
-	bi = blk_get_integrity(rq->rq_disk);
+	bi = blk_get_integrity(rq->q->disk);
 
 	if (sc->sc_data_direction == DMA_TO_DEVICE)
 		cmd_pi->pi_bytesout = cpu_to_virtio32(vdev,
diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c
index 4c5a0a49035f..1928b3918242 100644
--- a/drivers/usb/storage/transport.c
+++ b/drivers/usb/storage/transport.c
@@ -551,7 +551,7 @@ static void last_sector_hacks(struct us_data *us, struct scsi_cmnd *srb)
 	/* Did this command access the last sector? */
 	sector = (srb->cmnd[2] << 24) | (srb->cmnd[3] << 16) |
 			(srb->cmnd[4] << 8) | (srb->cmnd[5]);
-	disk = scsi_cmd_to_rq(srb)->rq_disk;
+	disk = scsi_cmd_to_rq(srb)->q->disk;
 	if (!disk)
 		goto done;
 	sdkp = scsi_disk(disk);