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path: root/drivers/scsi/scsi_debug.c
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Diffstat (limited to 'drivers/scsi/scsi_debug.c')
-rw-r--r--drivers/scsi/scsi_debug.c49
1 files changed, 12 insertions, 37 deletions
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index fce393f3e7e0..84cf82e0782d 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -4472,7 +4472,6 @@ static int
sdebug_change_qdepth(struct scsi_device *sdev, int qdepth, int reason)
{
int num_in_q = 0;
- int bad = 0;
unsigned long iflags;
struct sdebug_dev_info *devip;
@@ -4484,43 +4483,18 @@ sdebug_change_qdepth(struct scsi_device *sdev, int qdepth, int reason)
}
num_in_q = atomic_read(&devip->num_in_q);
spin_unlock_irqrestore(&queued_arr_lock, iflags);
- if (reason == SCSI_QDEPTH_DEFAULT || reason == SCSI_QDEPTH_RAMP_UP) {
- if (qdepth < 1)
- qdepth = 1;
- /* allow to exceed max host queued_arr elements for testing */
- if (qdepth > SCSI_DEBUG_CANQUEUE + 10)
- qdepth = SCSI_DEBUG_CANQUEUE + 10;
- scsi_adjust_queue_depth(sdev, qdepth);
- } else if (reason == SCSI_QDEPTH_QFULL)
- scsi_track_queue_full(sdev, qdepth);
- else
- bad = 1;
- if (bad)
- sdev_printk(KERN_WARNING, sdev,
- "%s: unknown reason=0x%x\n", __func__, reason);
+
+ if (qdepth < 1)
+ qdepth = 1;
+ /* allow to exceed max host queued_arr elements for testing */
+ if (qdepth > SCSI_DEBUG_CANQUEUE + 10)
+ qdepth = SCSI_DEBUG_CANQUEUE + 10;
+ scsi_adjust_queue_depth(sdev, qdepth);
+
if (SCSI_DEBUG_OPT_Q_NOISE & scsi_debug_opts) {
- if (SCSI_QDEPTH_QFULL == reason)
- sdev_printk(KERN_INFO, sdev,
- "%s: -> %d, num_in_q=%d, reason: queue full\n",
- __func__, qdepth, num_in_q);
- else {
- const char *cp;
-
- switch (reason) {
- case SCSI_QDEPTH_DEFAULT:
- cp = "default (sysfs ?)";
- break;
- case SCSI_QDEPTH_RAMP_UP:
- cp = "ramp up";
- break;
- default:
- cp = "unknown";
- break;
- }
- sdev_printk(KERN_INFO, sdev,
- "%s: qdepth=%d, num_in_q=%d, reason: %s\n",
- __func__, qdepth, num_in_q, cp);
- }
+ sdev_printk(KERN_INFO, sdev,
+ "%s: qdepth=%d, num_in_q=%d\n",
+ __func__, qdepth, num_in_q);
}
return sdev->queue_depth;
}
@@ -4576,6 +4550,7 @@ static struct scsi_host_template sdebug_driver_template = {
.max_sectors = -1U,
.use_clustering = DISABLE_CLUSTERING,
.module = THIS_MODULE,
+ .track_queue_depth = 1,
};
static int sdebug_driver_probe(struct device * dev)