diff options
Diffstat (limited to 'drivers/scsi/megaraid')
| -rw-r--r-- | drivers/scsi/megaraid/megaraid_sas_fusion.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c index edbecc531f33..46286719c0aa 100644 --- a/drivers/scsi/megaraid/megaraid_sas_fusion.c +++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c @@ -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: |