scsi_block_host/scsi_unlock_host provides the required
functionality.
Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
---
drivers/scsi/dpt_i2o.c | 30 ++++++++++++------------------
drivers/scsi/dpti.h | 1 -
2 files changed, 12 insertions(+), 19 deletions(-)
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
index 19e1b42..106ff1a 100644
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -448,15 +448,7 @@ static int adpt_queue_lck(struct scsi_cmnd * cmd, void (*done) (struct scsi_cmnd
}
rmb();
- /*
- * TODO: I need to block here if I am processing ioctl cmds
- * but if the outstanding cmds all finish before the ioctl,
- * the scsi-core will not know to start sending cmds to me again.
- * I need to a way to restart the scsi-cores queues or should I block
- * calling scsi_done on the outstanding cmds instead
- * for now we don't set the IOCTL state
- */
- if(((pHba->state) & DPTI_STATE_IOCTL) || ((pHba->state) & DPTI_STATE_RESET)) {
+ if((pHba->state) & DPTI_STATE_RESET) {
pHba->host->last_reset = jiffies;
pHba->host->resetting = 1;
return 1;
@@ -1811,21 +1803,23 @@ static int adpt_i2o_passthru(adpt_hba* pHba, u32 __user *arg)
}
do {
- if(pHba->host)
+ /*
+ * Stop any new commands from enterring the
+ * controller while processing the ioctl
+ */
+ if(pHba->host) {
+ scsi_block_requests(pHba->host);
spin_lock_irqsave(pHba->host->host_lock, flags);
- // This state stops any new commands from enterring the
- // controller while processing the ioctl
-// pHba->state |= DPTI_STATE_IOCTL;
-// We can't set this now - The scsi subsystem sets host_blocked and
-// the queue empties and stops. We need a way to restart the queue
+ }
rcode = adpt_i2o_post_wait(pHba, msg, size, FOREVER);
if (rcode != 0)
printk("adpt_i2o_passthru: post wait failed %d %p\n",
rcode, reply);
-// pHba->state &= ~DPTI_STATE_IOCTL;
- if(pHba->host)
+ if(pHba->host) {
spin_unlock_irqrestore(pHba->host->host_lock, flags);
- } while(rcode == -ETIMEDOUT);
+ scsi_unblock_requests(pHba->host);
+ }
+ } while(rcode == -ETIMEDOUT);
if(rcode){
goto cleanup;
diff --git a/drivers/scsi/dpti.h b/drivers/scsi/dpti.h
index beded71..aeb0461 100644
--- a/drivers/scsi/dpti.h
+++ b/drivers/scsi/dpti.h
@@ -202,7 +202,6 @@ struct adpt_channel {
// HBA state flags
#define DPTI_STATE_RESET (0x01)
-#define DPTI_STATE_IOCTL (0x02)
typedef struct _adpt_hba {
struct _adpt_hba *next;
--
1.7.12.4
--
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