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scsi: sym53c8xx_2: Move the SCSI pointer to private command data

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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/20220218195117.25689-45-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 11:51:12 -08:00 • committed by Martin K. Petersen
parent c1ea387d99
commit 4022bfd63d
1 changed files with 2 additions and 2 deletions
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4
drivers/scsi/sym53c8xx_2/sym_glue.c
View file

@ -118,7 +118,7 @@ struct sym_ucmd { /* Override the SCSI pointer structure */
struct completion *eh_done; /* SCSI error handling */
};
#define SYM_UCMD_PTR(cmd) ((struct sym_ucmd *)(&(cmd)->SCp))
#define SYM_UCMD_PTR(cmd) ((struct sym_ucmd *)scsi_cmd_priv(cmd))
#define SYM_SOFTC_PTR(cmd) sym_get_hcb(cmd->device->host)
/*
@ -127,7 +127,6 @@ struct sym_ucmd { /* Override the SCSI pointer structure */
void sym_xpt_done(struct sym_hcb *np, struct scsi_cmnd *cmd)
{
struct sym_ucmd *ucmd = SYM_UCMD_PTR(cmd);
BUILD_BUG_ON(sizeof(struct scsi_pointer) < sizeof(struct sym_ucmd));
if (ucmd->eh_done)
complete(ucmd->eh_done);
@ -1630,6 +1629,7 @@ static struct scsi_host_template sym2_template = {
.module = THIS_MODULE,
.name = "sym53c8xx",
.info = sym53c8xx_info,
.cmd_size = sizeof(struct sym_ucmd),
.queuecommand = sym53c8xx_queue_command,
.slave_alloc = sym53c8xx_slave_alloc,
.slave_configure = sym53c8xx_slave_configure,