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author | Bart Van Assche <bvanassche@acm.org> | 2019-01-15 16:50:02 -0800 |
---|---|---|
committer | Martin K. Petersen <martin.petersen@oracle.com> | 2019-01-22 21:18:27 -0500 |
commit | cf64e5a5f6a5f602f7ef46897da4f70968e11fbc (patch) | |
tree | 250ca439369fd301fba2715478cc740a09ef07ca /drivers/scsi/sd.c | |
parent | e249e42d277ef4993230b193880fbe9a307084eb (diff) | |
download | linux-cf64e5a5f6a5f602f7ef46897da4f70968e11fbc.tar.bz2 |
scsi: sd: Rename 'SCpnt' into 'cmd'
This patch makes the source code more uniform and does not change any
functionality.
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
[ bvanassche: extracted this patch from a larger patch ]
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/sd.c')
-rw-r--r-- | drivers/scsi/sd.c | 44 |
1 files changed, 22 insertions, 22 deletions
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index e2bd39670362..7a1cf6c80f6a 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -1149,10 +1149,10 @@ static blk_status_t sd_setup_rw6_cmnd(struct scsi_cmnd *cmd, bool write, return BLK_STS_OK; } -static blk_status_t sd_setup_read_write_cmnd(struct scsi_cmnd *SCpnt) +static blk_status_t sd_setup_read_write_cmnd(struct scsi_cmnd *cmd) { - struct request *rq = SCpnt->request; - struct scsi_device *sdp = SCpnt->device; + struct request *rq = cmd->request; + 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)); sector_t threshold; @@ -1163,24 +1163,24 @@ static blk_status_t sd_setup_read_write_cmnd(struct scsi_cmnd *SCpnt) unsigned char protect, fua; blk_status_t ret; - ret = scsi_init_io(SCpnt); + ret = scsi_init_io(cmd); if (ret != BLK_STS_OK) return ret; - WARN_ON_ONCE(SCpnt != rq->special); + WARN_ON_ONCE(cmd != rq->special); if (!scsi_device_online(sdp) || sdp->changed) { - scmd_printk(KERN_ERR, SCpnt, "device offline or changed\n"); + scmd_printk(KERN_ERR, cmd, "device offline or changed\n"); return BLK_STS_IOERR; } if (blk_rq_pos(rq) + blk_rq_sectors(rq) > get_capacity(rq->rq_disk)) { - scmd_printk(KERN_ERR, SCpnt, "access beyond end of device\n"); + scmd_printk(KERN_ERR, cmd, "access beyond end of device\n"); return BLK_STS_IOERR; } if ((blk_rq_pos(rq) & mask) || (blk_rq_sectors(rq) & mask)) { - scmd_printk(KERN_ERR, SCpnt, "request not aligned to the logical block size\n"); + scmd_printk(KERN_ERR, cmd, "request not aligned to the logical block size\n"); return BLK_STS_IOERR; } @@ -1201,29 +1201,29 @@ static blk_status_t sd_setup_read_write_cmnd(struct scsi_cmnd *SCpnt) } fua = rq->cmd_flags & REQ_FUA ? 0x8 : 0; - dix = scsi_prot_sg_count(SCpnt); - dif = scsi_host_dif_capable(SCpnt->device->host, sdkp->protection_type); + dix = scsi_prot_sg_count(cmd); + dif = scsi_host_dif_capable(cmd->device->host, sdkp->protection_type); if (write && dix) - t10_pi_prepare(SCpnt->request, sdkp->protection_type); + t10_pi_prepare(cmd->request, sdkp->protection_type); if (dif || dix) - protect = sd_setup_protect_cmnd(SCpnt, dix, dif); + protect = sd_setup_protect_cmnd(cmd, dix, dif); else protect = 0; if (protect && sdkp->protection_type == T10_PI_TYPE2_PROTECTION) { - ret = sd_setup_rw32_cmnd(SCpnt, write, lba, nr_blocks, + ret = sd_setup_rw32_cmnd(cmd, write, lba, nr_blocks, protect | fua); } else if (sdp->use_16_for_rw || (nr_blocks > 0xffff)) { - ret = sd_setup_rw16_cmnd(SCpnt, write, lba, nr_blocks, + ret = sd_setup_rw16_cmnd(cmd, write, lba, nr_blocks, protect | fua); } else if ((nr_blocks > 0xff) || (lba > 0x1fffff) || sdp->use_10_for_rw || protect) { - ret = sd_setup_rw10_cmnd(SCpnt, write, lba, nr_blocks, + ret = sd_setup_rw10_cmnd(cmd, write, lba, nr_blocks, protect | fua); } else { - ret = sd_setup_rw6_cmnd(SCpnt, write, lba, nr_blocks, + ret = sd_setup_rw6_cmnd(cmd, write, lba, nr_blocks, protect | fua); } @@ -1235,18 +1235,18 @@ static blk_status_t sd_setup_read_write_cmnd(struct scsi_cmnd *SCpnt) * host adapter, it's safe to assume that we can at least transfer * this many bytes between each connect / disconnect. */ - SCpnt->transfersize = sdp->sector_size; - SCpnt->underflow = nr_blocks << 9; - SCpnt->allowed = SD_MAX_RETRIES; - SCpnt->sdb.length = nr_blocks * sdp->sector_size; + cmd->transfersize = sdp->sector_size; + cmd->underflow = nr_blocks << 9; + cmd->allowed = SD_MAX_RETRIES; + cmd->sdb.length = nr_blocks * sdp->sector_size; SCSI_LOG_HLQUEUE(1, - scmd_printk(KERN_INFO, SCpnt, + scmd_printk(KERN_INFO, cmd, "%s: block=%llu, count=%d\n", __func__, (unsigned long long)blk_rq_pos(rq), blk_rq_sectors(rq))); SCSI_LOG_HLQUEUE(2, - scmd_printk(KERN_INFO, SCpnt, + scmd_printk(KERN_INFO, cmd, "%s %d/%u 512 byte blocks.\n", write ? "writing" : "reading", nr_blocks, blk_rq_sectors(rq))); |