diff options
Diffstat (limited to 'drivers/scsi/scsi_error.c')
| -rw-r--r-- | drivers/scsi/scsi_error.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 6a7a60fc0a4..6683d596234 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -1672,7 +1672,9 @@ int scsi_reset_provider(struct scsi_device *dev, int flag) { struct scsi_cmnd *scmd = scsi_get_command(dev, GFP_KERNEL); + struct Scsi_Host *shost = dev->host; struct request req; + unsigned long flags; int rtn; scmd->request = &req; @@ -1699,6 +1701,10 @@ scsi_reset_provider(struct scsi_device *dev, int flag) */ scmd->pid = 0; + spin_lock_irqsave(shost->host_lock, flags); + shost->tmf_in_progress = 1; + spin_unlock_irqrestore(shost->host_lock, flags); + switch (flag) { case SCSI_TRY_RESET_DEVICE: rtn = scsi_try_bus_device_reset(scmd); @@ -1717,6 +1723,22 @@ scsi_reset_provider(struct scsi_device *dev, int flag) rtn = FAILED; } + spin_lock_irqsave(shost->host_lock, flags); + shost->tmf_in_progress = 0; + spin_unlock_irqrestore(shost->host_lock, flags); + + /* + * be sure to wake up anyone who was sleeping or had their queue + * suspended while we performed the TMF. + */ + SCSI_LOG_ERROR_RECOVERY(3, + printk("%s: waking up host to restart after TMF\n", + __FUNCTION__)); + + wake_up(&shost->host_wait); + + scsi_run_host_queues(shost); + scsi_next_command(scmd); return rtn; } |