diff options
Diffstat (limited to 'drivers/scsi/scsi_error.c')
| -rw-r--r-- | drivers/scsi/scsi_error.c | 42 |
1 files changed, 17 insertions, 25 deletions
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 2bf1ee2b47b..ceb4e0c99b3 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -434,8 +434,7 @@ static void scsi_eh_times_out(struct scsi_cmnd *scmd) SCSI_LOG_ERROR_RECOVERY(3, printk("%s: scmd:%p\n", __FUNCTION__, scmd)); - if (scmd->device->host->eh_action) - up(scmd->device->host->eh_action); + up(scmd->device->host->eh_action); } /** @@ -457,8 +456,7 @@ static void scsi_eh_done(struct scsi_cmnd *scmd) SCSI_LOG_ERROR_RECOVERY(3, printk("%s scmd: %p result: %x\n", __FUNCTION__, scmd, scmd->result)); - if (scmd->device->host->eh_action) - up(scmd->device->host->eh_action); + up(scmd->device->host->eh_action); } } @@ -528,10 +526,8 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, int timeout) * abort a timed out command or not. not sure how * we should treat them differently anyways. */ - spin_lock_irqsave(shost->host_lock, flags); if (shost->hostt->eh_abort_handler) shost->hostt->eh_abort_handler(scmd); - spin_unlock_irqrestore(shost->host_lock, flags); scmd->request->rq_status = RQ_SCSI_DONE; scmd->owner = SCSI_OWNER_ERROR_HANDLER; @@ -737,11 +733,8 @@ static int scsi_eh_get_sense(struct list_head *work_q, **/ static int scsi_try_to_abort_cmd(struct scsi_cmnd *scmd) { - unsigned long flags; - int rtn = FAILED; - if (!scmd->device->host->hostt->eh_abort_handler) - return rtn; + return FAILED; /* * scsi_done was called just after the command timed out and before @@ -752,11 +745,7 @@ static int scsi_try_to_abort_cmd(struct scsi_cmnd *scmd) scmd->owner = SCSI_OWNER_LOWLEVEL; - spin_lock_irqsave(scmd->device->host->host_lock, flags); - rtn = scmd->device->host->hostt->eh_abort_handler(scmd); - spin_unlock_irqrestore(scmd->device->host->host_lock, flags); - - return rtn; + return scmd->device->host->hostt->eh_abort_handler(scmd); } /** @@ -770,6 +759,7 @@ static int scsi_eh_tur(struct scsi_cmnd *scmd) { static unsigned char tur_command[6] = {TEST_UNIT_READY, 0, 0, 0, 0, 0}; int retry_cnt = 1, rtn; + int saved_result; retry_tur: memcpy(scmd->cmnd, tur_command, sizeof(tur_command)); @@ -780,6 +770,7 @@ retry_tur: */ memset(scmd->sense_buffer, 0, sizeof(scmd->sense_buffer)); + saved_result = scmd->result; scmd->request_buffer = NULL; scmd->request_bufflen = 0; scmd->use_sg = 0; @@ -794,6 +785,7 @@ retry_tur: * the original request, so let's restore the original data. (db) */ scsi_setup_cmd_retry(scmd); + scmd->result = saved_result; /* * hey, we are done. let's look to see what happened. @@ -865,17 +857,14 @@ static int scsi_eh_abort_cmds(struct list_head *work_q, **/ static int scsi_try_bus_device_reset(struct scsi_cmnd *scmd) { - unsigned long flags; - int rtn = FAILED; + int rtn; if (!scmd->device->host->hostt->eh_device_reset_handler) - return rtn; + return FAILED; scmd->owner = SCSI_OWNER_LOWLEVEL; - spin_lock_irqsave(scmd->device->host->host_lock, flags); rtn = scmd->device->host->hostt->eh_device_reset_handler(scmd); - spin_unlock_irqrestore(scmd->device->host->host_lock, flags); if (rtn == SUCCESS) { scmd->device->was_reset = 1; @@ -896,6 +885,7 @@ static int scsi_eh_try_stu(struct scsi_cmnd *scmd) { static unsigned char stu_command[6] = {START_STOP, 0, 0, 0, 1, 0}; int rtn; + int saved_result; if (!scmd->device->allow_restart) return 1; @@ -908,6 +898,7 @@ static int scsi_eh_try_stu(struct scsi_cmnd *scmd) */ memset(scmd->sense_buffer, 0, sizeof(scmd->sense_buffer)); + saved_result = scmd->result; scmd->request_buffer = NULL; scmd->request_bufflen = 0; scmd->use_sg = 0; @@ -922,6 +913,7 @@ static int scsi_eh_try_stu(struct scsi_cmnd *scmd) * the original request, so let's restore the original data. (db) */ scsi_setup_cmd_retry(scmd); + scmd->result = saved_result; /* * hey, we are done. let's look to see what happened. @@ -1061,9 +1053,7 @@ static int scsi_try_bus_reset(struct scsi_cmnd *scmd) if (!scmd->device->host->hostt->eh_bus_reset_handler) return FAILED; - spin_lock_irqsave(scmd->device->host->host_lock, flags); rtn = scmd->device->host->hostt->eh_bus_reset_handler(scmd); - spin_unlock_irqrestore(scmd->device->host->host_lock, flags); if (rtn == SUCCESS) { if (!scmd->device->host->hostt->skip_settle_delay) @@ -1092,9 +1082,7 @@ static int scsi_try_host_reset(struct scsi_cmnd *scmd) if (!scmd->device->host->hostt->eh_host_reset_handler) return FAILED; - spin_lock_irqsave(scmd->device->host->host_lock, flags); rtn = scmd->device->host->hostt->eh_host_reset_handler(scmd); - spin_unlock_irqrestore(scmd->device->host->host_lock, flags); if (rtn == SUCCESS) { if (!scmd->device->host->hostt->skip_settle_delay) @@ -1561,6 +1549,11 @@ static void scsi_eh_flush_done_q(struct list_head *done_q) scmd)); scsi_queue_insert(scmd, SCSI_MLQUEUE_EH_RETRY); } else { + /* + * If just we got sense for the device (called + * scsi_eh_get_sense), scmd->result is already + * set, do not set DRIVER_TIMEOUT. + */ if (!scmd->result) scmd->result |= (DRIVER_TIMEOUT << 24); SCSI_LOG_ERROR_RECOVERY(3, printk("%s: flush finish" @@ -1870,7 +1863,6 @@ scsi_reset_provider(struct scsi_device *dev, int flag) rtn = FAILED; } - scsi_delete_timer(scmd); scsi_next_command(scmd); return rtn; } |