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block: remove the ->rq_disk field in struct request

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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
Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/scsi/sd.c
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@@ -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;