Re: megaraid_sas: multiple FALLOC_FL_ZERO_RANGE causes timeouts and resets on MegaRAID 9560-8i 4GB since 5.19

["Martin K. Petersen" <martin.petersen@oracle.com>]

Samy,

> I have just ran into this issue, controller resets and timeouts
> (running mkfs.ext4 or mkfs.xfs to reproduce) and bisected it to the
> same commit :

Can you try the patch below?

Thanks!

-- 
Martin K. Petersen	Oracle Linux Engineering

diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 88acefbf9aea..8ced3f1fd427 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -2106,6 +2106,9 @@ static int megasas_device_configure(struct scsi_device *sdev,
 	/* This sdev property may change post OCR */
 	megasas_set_dynamic_target_properties(sdev, lim, is_target_prop);
 
+	if (!MEGASAS_IS_LOGICAL(sdev))
+		sdev->no_vpd_size = 1;
+
 	mutex_unlock(&instance->reset_mutex);
 
 	return 0;
@@ -3665,8 +3668,10 @@ megasas_complete_cmd(struct megasas_instance *instance, struct megasas_cmd *cmd,
 
 		case MFI_STAT_SCSI_IO_FAILED:
 		case MFI_STAT_LD_INIT_IN_PROGRESS:
-			cmd->scmd->result =
-			    (DID_ERROR << 16) | hdr->scsi_status;
+			if (hdr->scsi_status == 0xf0)
+				cmd->scmd->result = (DID_ERROR << 16) | SAM_STAT_CHECK_CONDITION;
+			else
+				cmd->scmd->result = (DID_ERROR << 16) | hdr->scsi_status;
 			break;
 
 		case MFI_STAT_SCSI_DONE_WITH_ERROR:
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 6c1fb8149553..7d28b5b23751 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -2043,7 +2043,10 @@ map_cmd_status(struct fusion_context *fusion,
 
 	case MFI_STAT_SCSI_IO_FAILED:
 	case MFI_STAT_LD_INIT_IN_PROGRESS:
-		scmd->result = (DID_ERROR << 16) | ext_status;
+		if (ext_status == 0xf0)
+			scmd->result = (DID_ERROR << 16) | SAM_STAT_CHECK_CONDITION;
+		else
+			scmd->result = (DID_ERROR << 16) | ext_status;
 		break;
 
 	case MFI_STAT_SCSI_DONE_WITH_ERROR: