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block: remove the ->rq_disk field in struct request

Browse source 
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>
This commit is contained in:
Christoph Hellwig 2021-11-26 13:18:00 +01:00 committed by Jens Axboe
parent 79bb1dbd12
commit f3fa33acca
28 changed files with 62 additions and 67 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

3
block/blk-flush.c
View file

@ -145,7 +145,7 @@ static void blk_flush_queue_rq(struct request *rq, bool add_front)
static void blk_account_io_flush(struct request *rq)
{
struct block_device *part = rq->rq_disk->part0;
struct block_device *part = rq->q->disk->part0;
part_stat_lock();
part_stat_inc(part, ios[STAT_FLUSH]);
@ -339,7 +339,6 @@ static void blk_kick_flush(struct request_queue *q, struct blk_flush_queue *fq,
flush_rq->cmd_flags = REQ_OP_FLUSH | REQ_PREFLUSH;
flush_rq->cmd_flags |= (flags & REQ_DRV) | (flags & REQ_FAILFAST_MASK);
flush_rq->rq_flags |= RQF_FLUSH_SEQ;
flush_rq->rq_disk = first_rq->rq_disk;
flush_rq->end_io = flush_end_io;
/*
* Order WRITE ->end_io and WRITE rq->ref, and its pair is the one

14
block/blk-mq.c
View file

@ -377,7 +377,6 @@ static struct request *blk_mq_rq_ctx_init(struct blk_mq_alloc_data *data,
rq->start_time_ns = ktime_get_ns();
else
rq->start_time_ns = 0;
rq->rq_disk = NULL;
rq->part = NULL;
#ifdef CONFIG_BLK_RQ_ALLOC_TIME
rq->alloc_time_ns = alloc_time_ns;
@ -659,7 +658,7 @@ void blk_mq_free_plug_rqs(struct blk_plug *plug)
void blk_dump_rq_flags(struct request *rq, char *msg)
{
printk(KERN_INFO "%s: dev %s: flags=%llx\n", msg,
rq->rq_disk ? rq->rq_disk->disk_name : "?",
rq->q->disk ? rq->q->disk->disk_name : "?",
(unsigned long long) rq->cmd_flags);
printk(KERN_INFO " sector %llu, nr/cnr %u/%u\n",
@ -712,7 +711,7 @@ static void blk_print_req_error(struct request *req, blk_status_t status)
"%s error, dev %s, sector %llu op 0x%x:(%s) flags 0x%x "
"phys_seg %u prio class %u\n",
blk_status_to_str(status),
req->rq_disk ? req->rq_disk->disk_name : "?",
req->q->disk ? req->q->disk->disk_name : "?",
blk_rq_pos(req), req_op(req), blk_op_str(req_op(req)),
req->cmd_flags & ~REQ_OP_MASK,
req->nr_phys_segments,
@ -853,8 +852,8 @@ static void __blk_account_io_start(struct request *rq)
/* passthrough requests can hold bios that do not have ->bi_bdev set */
if (rq->bio && rq->bio->bi_bdev)
rq->part = rq->bio->bi_bdev;
else
rq->part = rq->rq_disk->part0;
else if (rq->q->disk)
rq->part = rq->q->disk->part0;
part_stat_lock();
update_io_ticks(rq->part, jiffies, false);
@ -1172,7 +1171,6 @@ void blk_execute_rq_nowait(struct gendisk *bd_disk, struct request *rq,
WARN_ON(irqs_disabled());
WARN_ON(!blk_rq_is_passthrough(rq));
rq->rq_disk = bd_disk;
rq->end_io = done;
blk_account_io_start(rq);
@ -2902,8 +2900,8 @@ blk_status_t blk_insert_cloned_request(struct request_queue *q, struct request *
if (ret != BLK_STS_OK)
return ret;
if (rq->rq_disk &&
should_fail_request(rq->rq_disk->part0, blk_rq_bytes(rq)))
if (rq->q->disk &&
should_fail_request(rq->q->disk->part0, blk_rq_bytes(rq)))
return BLK_STS_IOERR;
if (blk_crypto_insert_cloned_request(rq))

2
block/blk.h
View file

@ -324,7 +324,7 @@ int blk_dev_init(void);
*/
static inline bool blk_do_io_stat(struct request *rq)
{
return (rq->rq_flags & RQF_IO_STAT) && rq->rq_disk;
return (rq->rq_flags & RQF_IO_STAT) && rq->q->disk;
}
void update_io_ticks(struct block_device *part, unsigned long now, bool end);

2
drivers/block/amiflop.c
View file

@ -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))

6
drivers/block/ataflop.c
View file

@ -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;
}

6
drivers/block/floppy.c
View file

@ -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 @@ static void redo_fd_request(void)
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");

2
drivers/block/null_blk/trace.h
View file

@ -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),

2
drivers/block/paride/pcd.c
View file

@ -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;

4
drivers/block/paride/pd.c
View file

@ -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);

4
drivers/block/paride/pf.c
View file

@ -746,12 +746,12 @@ static void pf_request(void)
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;
}

4
drivers/block/rnbd/rnbd-clt.c
View file

@ -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;

2
drivers/block/sunvdc.c
View file

@ -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;

1
drivers/md/dm-mpath.c
View file

@ -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;

2
drivers/mmc/core/block.c
View file

@ -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;
}

2
drivers/nvme/host/fault_inject.c
View file

@ -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;

6
drivers/nvme/host/trace.h
View file

@ -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;

3
drivers/scsi/scsi_lib.c
View file

@ -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));

4
drivers/scsi/scsi_logging.c
View file

@ -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,

24
drivers/scsi/sd.c
View file

@ -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;

8
drivers/scsi/sd_zbc.c
View file

@ -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 = 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;

4
drivers/scsi/sr.c
View file

@ -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));

2
drivers/scsi/virtio_scsi.c
View file

@ -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,

2
drivers/usb/storage/transport.c
View file

@ -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);

4
include/linux/blk-mq.h
View file

@ -100,7 +100,6 @@ struct request {
struct request *rq_next;
};
struct gendisk *rq_disk;
struct block_device *part;
#ifdef CONFIG_BLK_RQ_ALLOC_TIME
/* Time that the first bio started allocating this request. */
@ -890,9 +889,6 @@ static inline void blk_rq_bio_prep(struct request *rq, struct bio *bio,
rq->__data_len = bio->bi_iter.bi_size;
rq->bio = rq->biotail = bio;
rq->ioprio = bio_prio(bio);
if (bio->bi_bdev)
rq->rq_disk = bio->bi_bdev->bd_disk;
}
void blk_mq_hctx_set_fq_lock_class(struct blk_mq_hw_ctx *hctx,

2
include/scsi/scsi_cmnd.h
View file

@ -164,7 +164,7 @@ static inline struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd)
{
struct request *rq = scsi_cmd_to_rq(cmd);
return *(struct scsi_driver **)rq->rq_disk->private_data;
return *(struct scsi_driver **)rq->q->disk->private_data;
}
void scsi_done(struct scsi_cmnd *cmd);

4
include/scsi/scsi_device.h
View file

@ -275,9 +275,9 @@ scmd_printk(const char *, const struct scsi_cmnd *, const char *, ...);
do { \
struct request *__rq = scsi_cmd_to_rq((scmd)); \
\
if (__rq->rq_disk) \
if (__rq->q->disk) \
sdev_dbg((scmd)->device, "[%s] " fmt, \
__rq->rq_disk->disk_name, ##a); \
__rq->q->disk->disk_name, ##a); \
else \
sdev_dbg((scmd)->device, fmt, ##a); \
} while (0)

8
include/trace/events/block.h
View file

@ -85,7 +85,7 @@ TRACE_EVENT(block_rq_requeue,
),
TP_fast_assign(
__entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
__entry->dev = rq->q->disk ? disk_devt(rq->q->disk) : 0;
__entry->sector = blk_rq_trace_sector(rq);
__entry->nr_sector = blk_rq_trace_nr_sectors(rq);
@ -128,7 +128,7 @@ TRACE_EVENT(block_rq_complete,
),
TP_fast_assign(
__entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
__entry->dev = rq->q->disk ? disk_devt(rq->q->disk) : 0;
__entry->sector = blk_rq_pos(rq);
__entry->nr_sector = nr_bytes >> 9;
__entry->error = blk_status_to_errno(error);
@ -161,7 +161,7 @@ DECLARE_EVENT_CLASS(block_rq,
),
TP_fast_assign(
__entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0;
__entry->dev = rq->q->disk ? disk_devt(rq->q->disk) : 0;
__entry->sector = blk_rq_trace_sector(rq);
__entry->nr_sector = blk_rq_trace_nr_sectors(rq);
__entry->bytes = blk_rq_bytes(rq);
@ -512,7 +512,7 @@ TRACE_EVENT(block_rq_remap,
),
TP_fast_assign(
__entry->dev = disk_devt(rq->rq_disk);
__entry->dev = disk_devt(rq->q->disk);
__entry->sector = blk_rq_pos(rq);
__entry->nr_sector = blk_rq_sectors(rq);
__entry->old_dev = dev;

2
kernel/trace/blktrace.c
View file

@ -1045,7 +1045,7 @@ static void blk_add_trace_rq_remap(void *ignore, struct request *rq, dev_t dev,
}
r.device_from = cpu_to_be32(dev);
r.device_to = cpu_to_be32(disk_devt(rq->rq_disk));
r.device_to = cpu_to_be32(disk_devt(rq->q->disk));
r.sector_from = cpu_to_be64(from);
__blk_add_trace(bt, blk_rq_pos(rq), blk_rq_bytes(rq),