aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/scsi/mpt2sas/mpt2sas_scsih.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_scsih.c')
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_scsih.c46
1 files changed, 8 insertions, 38 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 42fef914d441..8431eb10bbb1 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -1179,15 +1179,14 @@ _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc,
}
/**
- * _scsih_adjust_queue_depth - setting device queue depth
+ * _scsih_change_queue_depth - setting device queue depth
* @sdev: scsi device struct
* @qdepth: requested queue depth
*
- *
- * Returns nothing
+ * Returns queue depth.
*/
-static void
-_scsih_adjust_queue_depth(struct scsi_device *sdev, int qdepth)
+static int
+_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
{
struct Scsi_Host *shost = sdev->host;
int max_depth;
@@ -1217,41 +1216,11 @@ _scsih_adjust_queue_depth(struct scsi_device *sdev, int qdepth)
spin_unlock_irqrestore(&ioc->sas_device_lock, flags);
not_sata:
-
if (!sdev->tagged_supported)
max_depth = 1;
if (qdepth > max_depth)
qdepth = max_depth;
- scsi_adjust_queue_depth(sdev, qdepth);
-}
-
-/**
- * _scsih_change_queue_depth - setting device queue depth
- * @sdev: scsi device struct
- * @qdepth: requested queue depth
- * @reason: SCSI_QDEPTH_DEFAULT/SCSI_QDEPTH_QFULL/SCSI_QDEPTH_RAMP_UP
- * (see include/scsi/scsi_host.h for definition)
- *
- * Returns queue depth.
- */
-static int
-_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason)
-{
- if (reason == SCSI_QDEPTH_DEFAULT || reason == SCSI_QDEPTH_RAMP_UP)
- _scsih_adjust_queue_depth(sdev, qdepth);
- else if (reason == SCSI_QDEPTH_QFULL)
- scsi_track_queue_full(sdev, qdepth);
- else
- return -EOPNOTSUPP;
-
- if (sdev->inquiry_len > 7)
- sdev_printk(KERN_INFO, sdev, "qdepth(%d), tagged(%d), "
- "simple(%d), scsi_level(%d), cmd_que(%d)\n",
- sdev->queue_depth, sdev->tagged_supported, sdev->simple_tags,
- sdev->scsi_level,
- (sdev->inquiry[7] & 2) >> 1);
-
- return sdev->queue_depth;
+ return scsi_change_queue_depth(sdev, qdepth);
}
/**
@@ -2082,7 +2051,7 @@ _scsih_slave_configure(struct scsi_device *sdev)
r_level, raid_device->handle,
(unsigned long long)raid_device->wwid,
raid_device->num_pds, ds);
- _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT);
+ _scsih_change_queue_depth(sdev, qdepth);
/* raid transport support */
if (!ioc->is_warpdrive)
_scsih_set_level(sdev, raid_device->volume_type);
@@ -2147,7 +2116,7 @@ _scsih_slave_configure(struct scsi_device *sdev)
_scsih_display_sata_capabilities(ioc, handle, sdev);
- _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT);
+ _scsih_change_queue_depth(sdev, qdepth);
if (ssp_target) {
sas_read_port_mode_page(sdev);
@@ -7637,6 +7606,7 @@ static struct scsi_host_template scsih_driver_template = {
.use_clustering = ENABLE_CLUSTERING,
.shost_attrs = mpt2sas_host_attrs,
.sdev_attrs = mpt2sas_dev_attrs,
+ .track_queue_depth = 1,
};
/**