Linux-libre 4.7.1-gnupck-4.7.1-gnu

1 files changed, 25 insertions, 19 deletions

diff --git a/drivers/scsi/snic/snic_main.c b/drivers/scsi/snic/snic_main.c
index 2b3c25371..396b32dca 100644
--- a/drivers/scsi/snic/snic_main.c
+++ b/drivers/scsi/snic/snic_main.c
@@ -98,11 +98,18 @@ snic_slave_configure(struct scsi_device *sdev)
 static int
 snic_change_queue_depth(struct scsi_device *sdev, int qdepth)
 {
+	struct snic *snic = shost_priv(sdev->host);
 	int qsz = 0;
 
 	qsz = min_t(u32, qdepth, SNIC_MAX_QUEUE_DEPTH);
+	if (qsz < sdev->queue_depth)
+		atomic64_inc(&snic->s_stats.misc.qsz_rampdown);
+	else if (qsz > sdev->queue_depth)
+		atomic64_inc(&snic->s_stats.misc.qsz_rampup);
+
+	atomic64_set(&snic->s_stats.misc.last_qsz, sdev->queue_depth);
+
 	scsi_change_queue_depth(sdev, qsz);
-	SNIC_INFO("QDepth Changed to %d\n", sdev->queue_depth);
 
 	return sdev->queue_depth;
 }
@@ -624,19 +631,6 @@ snic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		goto err_free_tmreq_pool;
 	}
 
-	/*
-	 * Initialization done with PCI system, hardware, firmware.
-	 * Add shost to SCSI
-	 */
-	ret = snic_add_host(shost, pdev);
-	if (ret) {
-		SNIC_HOST_ERR(shost,
-			      "Adding scsi host Failed ... exiting. %d\n",
-			      ret);
-
-		goto err_notify_unset;
-	}
-
 	spin_lock_irqsave(&snic_glob->snic_list_lock, flags);
 	list_add_tail(&snic->list, &snic_glob->snic_list);
 	spin_unlock_irqrestore(&snic_glob->snic_list_lock, flags);
@@ -669,8 +663,6 @@ snic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	for (i = 0; i < snic->intr_count; i++)
 		svnic_intr_unmask(&snic->intr[i]);
 
-	snic_set_state(snic, SNIC_ONLINE);
-
 	/* Get snic params */
 	ret = snic_get_conf(snic);
 	if (ret) {
@@ -681,6 +673,21 @@ snic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 		goto err_get_conf;
 	}
 
+	/*
+	 * Initialization done with PCI system, hardware, firmware.
+	 * Add shost to SCSI
+	 */
+	ret = snic_add_host(shost, pdev);
+	if (ret) {
+		SNIC_HOST_ERR(shost,
+			      "Adding scsi host Failed ... exiting. %d\n",
+			      ret);
+
+		goto err_get_conf;
+	}
+
+	snic_set_state(snic, SNIC_ONLINE);
+
 	ret = snic_disc_start(snic);
 	if (ret) {
 		SNIC_HOST_ERR(shost, "snic_probe:Discovery Failed w err = %d\n",
@@ -705,6 +712,8 @@ err_req_intr:
 	svnic_dev_disable(snic->vdev);
 
 err_vdev_enable:
+	svnic_dev_notify_unset(snic->vdev);
+
 	for (i = 0; i < snic->wq_count; i++) {
 		int rc = 0;
 
@@ -718,9 +727,6 @@ err_vdev_enable:
 	}
 	snic_del_host(snic->shost);
 
-err_notify_unset:
-	svnic_dev_notify_unset(snic->vdev);
-
 err_free_tmreq_pool:
 	mempool_destroy(snic->req_pool[SNIC_REQ_TM_CACHE]);