Commit 31d9a57b authored by Shivasharan S's avatar Shivasharan S Committed by Martin K. Petersen
Browse files

scsi: megaraid_sas: set residual bytes count during IO completion 



Fixing issue of not setting residual bytes correctly.

Signed-off-by: default avatarShivasharan S <shivasharan.srikanteshwara@broadcom.com>
Signed-off-by: default avatarKashyap Desai <kashyap.desai@broadcom.com>
Reviewed-by: default avatarHannes Reinecke <hare@suse.com>
Reviewed-by: default avatarTomas Henzl <thenzl@redhat.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent a48ba0ec

drivers/scsi/megaraid/megaraid_sas_fusion.c

+10 −0
Original line number Diff line number Diff line
@@ -1445,6 +1445,7 @@ map_cmd_status(struct fusion_context *fusion, 
	struct scsi_cmnd *scmd, u8 status, u8 ext_status,

			u32 data_length, u8 *sense)

{

	int resid;



	switch (status) {
@@ -1467,6 +1468,15 @@ map_cmd_status(struct fusion_context *fusion, 
			       SCSI_SENSE_BUFFERSIZE);

			scmd->result |= DRIVER_SENSE << 24;

		}



		/*

		 * If the  IO request is partially completed, then MR FW will

		 * update "io_request->DataLength" field with actual number of

		 * bytes transferred.Driver will set residual bytes count in

		 * SCSI command structure.

		 */

		resid = (scsi_bufflen(scmd) - data_length);

		scsi_set_resid(scmd, resid);

		break;



	case MFI_STAT_LD_OFFLINE:

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