SCSI fixes for 4.19-rc5

index fac377320158..f42a619198c4 100644
@@ -3474,11 +3474,10 @@ static int ibmvscsis_probe(struct vio_dev *vdev,
 		vscsi->dds.window[LOCAL].liobn,
 		vscsi->dds.window[REMOTE].liobn);
 
-	strcpy(vscsi->eye, "VSCSI ");
-	strncat(vscsi->eye, vdev->name, MAX_EYE);
+	snprintf(vscsi->eye, sizeof(vscsi->eye), "VSCSI %s", vdev->name);
 
 	vscsi->dds.unit_id = vdev->unit_address;
-	strncpy(vscsi->dds.partition_name, partition_name,
+	strscpy(vscsi->dds.partition_name, partition_name,
 		sizeof(vscsi->dds.partition_name));
 	vscsi->dds.partition_num = partition_number;
 

135 lines not on this page · raw message

index 68afbbde54d3..f6baa2351313 100644
@@ -1575,6 +1575,7 @@ struct ipr_ioa_cfg {
 	u8 saved_mode_page_len;
 
 	struct work_struct work_q;
+	struct work_struct scsi_add_work_q;
 	struct workqueue_struct *reset_work_q;
 
 	wait_queue_head_t reset_wait_q;

index 057a60abe664..1a6ed9b0a249 100644
@@ -360,12 +360,12 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr,
 		goto buffer_done;
 
 	list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
+		nrport = NULL;
+		spin_lock(&vport->phba->hbalock);
 		rport = lpfc_ndlp_get_nrport(ndlp);
-		if (!rport)
-			continue;
-
-		/* local short-hand pointer. */
-		nrport = rport->remoteport;
+		if (rport)
+			nrport = rport->remoteport;
+		spin_unlock(&vport->phba->hbalock);
 		if (!nrport)
 			continue;
 

@@ -3386,6 +3386,7 @@ lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport)
 	struct lpfc_nodelist  *ndlp;
 #if (IS_ENABLED(CONFIG_NVME_FC))
 	struct lpfc_nvme_rport *rport;
+	struct nvme_fc_remote_port *remoteport = NULL;
 #endif
 
 	shost = lpfc_shost_from_vport(vport);

@@ -3396,8 +3397,12 @@ lpfc_update_rport_devloss_tmo(struct lpfc_vport *vport)
 		if (ndlp->rport)
 			ndlp->rport->dev_loss_tmo = vport->cfg_devloss_tmo;
 #if (IS_ENABLED(CONFIG_NVME_FC))
+		spin_lock(&vport->phba->hbalock);
 		rport = lpfc_ndlp_get_nrport(ndlp);
 		if (rport)
+			remoteport = rport->remoteport;
+		spin_unlock(&vport->phba->hbalock);
+		if (remoteport)
 			nvme_fc_set_remoteport_devloss(rport->remoteport,
 						       vport->cfg_devloss_tmo);
 #endif

index 9df0c051349f..aec5b10a8c85 100644
@@ -551,7 +551,7 @@ lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size)
 	unsigned char *statep;
 	struct nvme_fc_local_port *localport;
 	struct lpfc_nvmet_tgtport *tgtp;
-	struct nvme_fc_remote_port *nrport;
+	struct nvme_fc_remote_port *nrport = NULL;
 	struct lpfc_nvme_rport *rport;
 
 	cnt = (LPFC_NODELIST_SIZE / LPFC_NODELIST_ENTRY_SIZE);

@@ -696,11 +696,11 @@ lpfc_debugfs_nodelist_data(struct lpfc_vport *vport, char *buf, int size)
 	len += snprintf(buf + len, size - len, "\tRport List:\n");
 	list_for_each_entry(ndlp, &vport->fc_nodes, nlp_listp) {
 		/* local short-hand pointer. */
+		spin_lock(&phba->hbalock);
 		rport = lpfc_ndlp_get_nrport(ndlp);
-		if (!rport)
-			continue;
-
-		nrport = rport->remoteport;
+		if (rport)
+			nrport = rport->remoteport;
+		spin_unlock(&phba->hbalock);
 		if (!nrport)
 			continue;
 

index 028462e5994d..918ae18ef8a8 100644
@@ -2725,7 +2725,9 @@ lpfc_nvme_register_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
 	rpinfo.port_name = wwn_to_u64(ndlp->nlp_portname.u.wwn);
 	rpinfo.node_name = wwn_to_u64(ndlp->nlp_nodename.u.wwn);
 
+	spin_lock_irq(&vport->phba->hbalock);
 	oldrport = lpfc_ndlp_get_nrport(ndlp);
+	spin_unlock_irq(&vport->phba->hbalock);
 	if (!oldrport)
 		lpfc_nlp_get(ndlp);
 

@@ -2840,7 +2842,7 @@ lpfc_nvme_unregister_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
 	struct nvme_fc_local_port *localport;
 	struct lpfc_nvme_lport *lport;
 	struct lpfc_nvme_rport *rport;
-	struct nvme_fc_remote_port *remoteport;
+	struct nvme_fc_remote_port *remoteport = NULL;
 
 	localport = vport->localport;
 

@@ -2854,11 +2856,14 @@ lpfc_nvme_unregister_port(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp)
 	if (!lport)
 		goto input_err;
 
+	spin_lock_irq(&vport->phba->hbalock);
 	rport = lpfc_ndlp_get_nrport(ndlp);
-	if (!rport)
+	if (rport)
+		remoteport = rport->remoteport;
+	spin_unlock_irq(&vport->phba->hbalock);
+	if (!remoteport)
 		goto input_err;
 
-	remoteport = rport->remoteport;
 	lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_DISC,
 			 "6033 Unreg nvme remoteport %p, portname x%llx, "
 			 "port_id x%06x, portstate x%x port type x%x\n",

index b79b366a94f7..4a57ffecc7e6 100644
@@ -1276,7 +1276,8 @@ static int sd_init_command(struct scsi_cmnd *cmd)
 	case REQ_OP_ZONE_RESET:
 		return sd_zbc_setup_reset_cmnd(cmd);
 	default:
-		BUG();
+		WARN_ON_ONCE(1);
+		return BLKPREP_KILL;
 	}
 }
 

@@ -2959,6 +2960,9 @@ static void sd_read_block_characteristics(struct scsi_disk *sdkp)
 	if (rot == 1) {
 		blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
 		blk_queue_flag_clear(QUEUE_FLAG_ADD_RANDOM, q);
+	} else {
+		blk_queue_flag_clear(QUEUE_FLAG_NONROT, q);
+		blk_queue_flag_set(QUEUE_FLAG_ADD_RANDOM, q);
 	}
 
 	if (sdkp->device->type == TYPE_ZBC) {

index 9d5d2ca7fc4f..c55f38ec391c 100644
@@ -7940,6 +7940,13 @@ int ufshcd_alloc_host(struct device *dev, struct ufs_hba **hba_handle)
 		err = -ENOMEM;
 		goto out_error;
 	}
+
+	/*
+	 * Do not use blk-mq at this time because blk-mq does not support
+	 * runtime pm.
+	 */
+	host->use_blk_mq = false;
+
 	hba = shost_priv(host);
 	hba->host = host;
 	hba->dev = dev;

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