#include <scsi/scsi_driver.h>
#include <scsi/scsi_eh.h>
#include <scsi/scsi_host.h>
+#include <scsi/scsi_dh.h>
#include <trace/events/scsi.h>
{
struct scsi_cmnd *cmd = req->special;
- if (unlikely(sdev->scsi_dh_data && sdev->scsi_dh_data->scsi_dh
- && sdev->scsi_dh_data->scsi_dh->prep_fn)) {
- int ret = sdev->scsi_dh_data->scsi_dh->prep_fn(sdev, req);
+ if (unlikely(sdev->handler && sdev->handler->prep_fn)) {
+ int ret = sdev->handler->prep_fn(sdev, req);
if (ret != BLKPREP_OK)
return ret;
}
static void scsi_mq_done(struct scsi_cmnd *cmd)
{
trace_scsi_dispatch_cmd_done(cmd);
- blk_mq_complete_request(cmd->request);
+ blk_mq_complete_request(cmd->request, cmd->request->errors);
}
static int scsi_queue_rq(struct blk_mq_hw_ctx *hctx,
unsigned char cmd[12];
int use_10_for_ms;
int header_length;
- int result;
+ int result, retry_count = retries;
struct scsi_sense_hdr my_sshdr;
memset(data, 0, sizeof(*data));
data->block_descriptor_length = buffer[3];
}
data->header_length = header_length;
+ } else if ((status_byte(result) == CHECK_CONDITION) &&
+ scsi_sense_valid(sshdr) &&
+ sshdr->sense_key == UNIT_ATTENTION && retry_count) {
+ retry_count--;
+ goto retry;
}
return result;
case SDEV_EVT_LUN_CHANGE_REPORTED:
envp[idx++] = "SDEV_UA=REPORTED_LUNS_DATA_HAS_CHANGED";
break;
+ case SDEV_EVT_ALUA_STATE_CHANGE_REPORTED:
+ envp[idx++] = "SDEV_UA=ASYMMETRIC_ACCESS_STATE_CHANGED";
+ break;
default:
/* do nothing */
break;
case SDEV_EVT_SOFT_THRESHOLD_REACHED_REPORTED:
case SDEV_EVT_MODE_PARAMETER_CHANGE_REPORTED:
case SDEV_EVT_LUN_CHANGE_REPORTED:
+ case SDEV_EVT_ALUA_STATE_CHANGE_REPORTED:
default:
/* do nothing */
break;