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Subject[PATCH 09/12] scsi_debug: Convert to host_lock less
Date
From: Nicholas Bellinger <nab@linux-iscsi.org>

This patch converts scsi_debug to run in host_lock less mode with interrupts
enabled, as we don't have a underly HW reason to use IRQ_DISABLE_SCSI_QCMD().

Signed-off-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
---
drivers/scsi/scsi_debug.c | 16 +++++++---------
1 files changed, 7 insertions(+), 9 deletions(-)
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index c499eb3..71cd1fa 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -3538,7 +3538,7 @@ static void sdebug_remove_adapter(void)
}

static
-int scsi_debug_queuecommand_lck(struct scsi_cmnd *SCpnt, done_funct_t done)
+int scsi_debug_queuecommand(struct Scsi_Host *sh, struct scsi_cmnd *SCpnt)
{
unsigned char *cmd = (unsigned char *) SCpnt->cmnd;
int len, k;
@@ -3566,17 +3566,17 @@ int scsi_debug_queuecommand_lck(struct scsi_cmnd *SCpnt, done_funct_t done)
if (target == SCpnt->device->host->hostt->this_id) {
printk(KERN_INFO "scsi_debug: initiator's id used as "
"target!\n");
- return schedule_resp(SCpnt, NULL, done,
+ return schedule_resp(SCpnt, NULL, SCpnt->scsi_done,
DID_NO_CONNECT << 16, 0);
}

if ((SCpnt->device->lun >= scsi_debug_max_luns) &&
(SCpnt->device->lun != SAM2_WLUN_REPORT_LUNS))
- return schedule_resp(SCpnt, NULL, done,
+ return schedule_resp(SCpnt, NULL, SCpnt->scsi_done,
DID_NO_CONNECT << 16, 0);
devip = devInfoReg(SCpnt->device);
if (NULL == devip)
- return schedule_resp(SCpnt, NULL, done,
+ return schedule_resp(SCpnt, NULL, SCpnt->scsi_done,
DID_NO_CONNECT << 16, 0);

if ((scsi_debug_every_nth != 0) &&
@@ -3610,8 +3610,8 @@ int scsi_debug_queuecommand_lck(struct scsi_cmnd *SCpnt, done_funct_t done)
mk_sense_buffer(devip, ILLEGAL_REQUEST,
INVALID_OPCODE, 0);
errsts = check_condition_result;
- return schedule_resp(SCpnt, devip, done, errsts,
- 0);
+ return schedule_resp(SCpnt, devip, SCpnt->scsi_done,
+ errsts, 0);
}
}

@@ -3885,12 +3885,10 @@ xdwrite_read:
errsts = check_condition_result;
break;
}
- return schedule_resp(SCpnt, devip, done, errsts,
+ return schedule_resp(SCpnt, devip, SCpnt->scsi_done, errsts,
(delay_override ? 0 : scsi_debug_delay));
}

-static DEF_SCSI_QCMD(scsi_debug_queuecommand)
-
static struct scsi_host_template sdebug_driver_template = {
.proc_info = scsi_debug_proc_info,
.proc_name = sdebug_proc_name,
--
1.7.3.4


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