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scsi: smartpqi: Stop using the SCSI pointer

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Set .cmd_size in the SCSI host template instead of using the SCSI pointer
from struct scsi_cmnd. This patch prepares for removal of the SCSI pointer
from struct scsi_cmnd.

Link: https://lore.kernel.org/r/20220218195117.25689-44-bvanassche@acm.org
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Bart Van Assche 2022-02-18 11:51:11 -08:00 committed by Martin K. Petersen
parent 5597616333
commit c1ea387d99
1 changed files with 12 additions and 2 deletions
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14
drivers/scsi/smartpqi/smartpqi_init.c
View file

@ -54,6 +54,15 @@ MODULE_DESCRIPTION("Driver for Microchip Smart Family Controller version "
MODULE_VERSION(DRIVER_VERSION);
MODULE_LICENSE("GPL");
struct pqi_cmd_priv {
int this_residual;
};
static struct pqi_cmd_priv *pqi_cmd_priv(struct scsi_cmnd *cmd)
{
return scsi_cmd_priv(cmd);
}
static void pqi_verify_structures(void);
static void pqi_take_ctrl_offline(struct pqi_ctrl_info *ctrl_info,
enum pqi_ctrl_shutdown_reason ctrl_shutdown_reason);
@ -5552,7 +5561,7 @@ static void pqi_aio_io_complete(struct pqi_io_request *io_request,
scsi_dma_unmap(scmd);
if (io_request->status == -EAGAIN || pqi_raid_bypass_retry_needed(io_request)) {
set_host_byte(scmd, DID_IMM_RETRY);
scmd->SCp.this_residual++;
pqi_cmd_priv(scmd)->this_residual++;
}
pqi_free_io_request(io_request);
@ -5814,7 +5823,7 @@ static inline bool pqi_is_bypass_eligible_request(struct scsi_cmnd *scmd)
if (blk_rq_is_passthrough(scsi_cmd_to_rq(scmd)))
return false;
return scmd->SCp.this_residual == 0;
return pqi_cmd_priv(scmd)->this_residual == 0;
}
/*
@ -7262,6 +7271,7 @@ static struct scsi_host_template pqi_driver_template = {
.map_queues = pqi_map_queues,
.sdev_groups = pqi_sdev_groups,
.shost_groups = pqi_shost_groups,
.cmd_size = sizeof(struct pqi_cmd_priv),
};
static int pqi_register_scsi(struct pqi_ctrl_info *ctrl_info)