diff options
Diffstat (limited to 'drivers/scsi/scsi_error.c')
| -rw-r--r-- | drivers/scsi/scsi_error.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 2bf98469dc4..1de30eb83bb 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -320,7 +320,7 @@ static int scsi_check_sense(struct scsi_cmnd *scmd) "changed. The Linux SCSI layer does not " "automatically adjust these parameters.\n"); - if (blk_barrier_rq(scmd->request)) + if (scmd->request->cmd_flags & REQ_HARDBARRIER) /* * barrier requests should always retry on UA * otherwise block will get a spurious error @@ -473,14 +473,17 @@ static int scsi_eh_completed_normally(struct scsi_cmnd *scmd) */ return SUCCESS; case RESERVATION_CONFLICT: - /* - * let issuer deal with this, it could be just fine - */ - return SUCCESS; + if (scmd->cmnd[0] == TEST_UNIT_READY) + /* it is a success, we probed the device and + * found it */ + return SUCCESS; + /* otherwise, we failed to send the command */ + return FAILED; case QUEUE_FULL: scsi_handle_queue_full(scmd->device); /* fall through */ case BUSY: + return NEEDS_RETRY; default: return FAILED; } @@ -1331,16 +1334,16 @@ int scsi_noretry_cmd(struct scsi_cmnd *scmd) case DID_OK: break; case DID_BUS_BUSY: - return blk_failfast_transport(scmd->request); + return (scmd->request->cmd_flags & REQ_FAILFAST_TRANSPORT); case DID_PARITY: - return blk_failfast_dev(scmd->request); + return (scmd->request->cmd_flags & REQ_FAILFAST_DEV); case DID_ERROR: if (msg_byte(scmd->result) == COMMAND_COMPLETE && status_byte(scmd->result) == RESERVATION_CONFLICT) return 0; /* fall through */ case DID_SOFT_ERROR: - return blk_failfast_driver(scmd->request); + return (scmd->request->cmd_flags & REQ_FAILFAST_DRIVER); } switch (status_byte(scmd->result)) { @@ -1349,7 +1352,9 @@ int scsi_noretry_cmd(struct scsi_cmnd *scmd) * assume caller has checked sense and determinted * the check condition was retryable. */ - return blk_failfast_dev(scmd->request); + if (scmd->request->cmd_flags & REQ_FAILFAST_DEV || + scmd->request->cmd_type == REQ_TYPE_BLOCK_PC) + return 1; } return 0; |