diff options
Diffstat (limited to 'drivers/scsi/scsi_error.c')
| -rw-r--r-- | drivers/scsi/scsi_error.c | 50 |
1 files changed, 9 insertions, 41 deletions
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 1de30eb83bb0..30ac116186f5 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -320,19 +320,11 @@ static int scsi_check_sense(struct scsi_cmnd *scmd) "changed. The Linux SCSI layer does not " "automatically adjust these parameters.\n"); - if (scmd->request->cmd_flags & REQ_HARDBARRIER) - /* - * barrier requests should always retry on UA - * otherwise block will get a spurious error - */ - return NEEDS_RETRY; - else - /* - * for normal (non barrier) commands, pass the - * UA upwards for a determination in the - * completion functions - */ - return SUCCESS; + /* + * Pass the UA upwards for a determination in the completion + * functions. + */ + return SUCCESS; /* these three are not supported */ case COPY_ABORTED: @@ -623,7 +615,7 @@ static int scsi_try_bus_device_reset(struct scsi_cmnd *scmd) return rtn; } -static int __scsi_try_to_abort_cmd(struct scsi_cmnd *scmd) +static int scsi_try_to_abort_cmd(struct scsi_cmnd *scmd) { if (!scmd->device->host->hostt->eh_abort_handler) return FAILED; @@ -631,31 +623,9 @@ static int __scsi_try_to_abort_cmd(struct scsi_cmnd *scmd) return scmd->device->host->hostt->eh_abort_handler(scmd); } -/** - * scsi_try_to_abort_cmd - Ask host to abort a running command. - * @scmd: SCSI cmd to abort from Lower Level. - * - * Notes: - * This function will not return until the user's completion function - * has been called. there is no timeout on this operation. if the - * author of the low-level driver wishes this operation to be timed, - * they can provide this facility themselves. helper functions in - * scsi_error.c can be supplied to make this easier to do. - */ -static int scsi_try_to_abort_cmd(struct scsi_cmnd *scmd) -{ - /* - * scsi_done was called just after the command timed out and before - * we had a chance to process it. (db) - */ - if (scmd->serial_number == 0) - return SUCCESS; - return __scsi_try_to_abort_cmd(scmd); -} - static void scsi_abort_eh_cmnd(struct scsi_cmnd *scmd) { - if (__scsi_try_to_abort_cmd(scmd) != SUCCESS) + if (scsi_try_to_abort_cmd(scmd) != SUCCESS) if (scsi_try_bus_device_reset(scmd) != SUCCESS) if (scsi_try_target_reset(scmd) != SUCCESS) if (scsi_try_bus_reset(scmd) != SUCCESS) @@ -781,17 +751,15 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd, struct Scsi_Host *shost = sdev->host; DECLARE_COMPLETION_ONSTACK(done); unsigned long timeleft; - unsigned long flags; struct scsi_eh_save ses; int rtn; scsi_eh_prep_cmnd(scmd, &ses, cmnd, cmnd_size, sense_bytes); shost->eh_action = &done; - spin_lock_irqsave(shost->host_lock, flags); scsi_log_send(scmd); - shost->hostt->queuecommand(scmd, scsi_eh_done); - spin_unlock_irqrestore(shost->host_lock, flags); + scmd->scsi_done = scsi_eh_done; + shost->hostt->queuecommand(shost, scmd); timeleft = wait_for_completion_timeout(&done, timeout); |