diff options
| -rw-r--r-- | drivers/scsi/scsi_error.c | 3 | ||||
| -rw-r--r-- | drivers/scsi/scsi_lib.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/scsi_priv.h | 1 | ||||
| -rw-r--r-- | include/scsi/scsi_eh.h | 1 | ||||
| -rw-r--r-- | include/scsi/scsi_host.h | 1 |
5 files changed, 5 insertions, 3 deletions
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 1c75646f9689..9ca71cbefce0 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -56,6 +56,7 @@ void scsi_eh_wakeup(struct Scsi_Host *shost) printk("Waking error handler thread\n")); } } +EXPORT_SYMBOL_GPL(scsi_eh_wakeup); /** * scsi_eh_scmd_add - add scsi cmd to error handling. @@ -1517,7 +1518,7 @@ int scsi_error_handler(void *data) */ set_current_state(TASK_INTERRUPTIBLE); while (!kthread_should_stop()) { - if (shost->host_failed == 0 || + if ((shost->host_failed == 0 && shost->host_eh_scheduled == 0) || shost->host_failed != shost->host_busy) { SCSI_LOG_ERROR_RECOVERY(1, printk("Error handler scsi_eh_%d sleeping\n", diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index 7b0f9a3810d2..c55d195b6f4f 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -566,7 +566,7 @@ void scsi_device_unbusy(struct scsi_device *sdev) spin_lock_irqsave(shost->host_lock, flags); shost->host_busy--; if (unlikely(scsi_host_in_recovery(shost) && - shost->host_failed)) + (shost->host_failed || shost->host_eh_scheduled))) scsi_eh_wakeup(shost); spin_unlock(shost->host_lock); spin_lock(sdev->request_queue->queue_lock); diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h index 27c48274e8cb..0b39081113be 100644 --- a/drivers/scsi/scsi_priv.h +++ b/drivers/scsi/scsi_priv.h @@ -63,7 +63,6 @@ extern int scsi_delete_timer(struct scsi_cmnd *); extern void scsi_times_out(struct scsi_cmnd *cmd); extern int scsi_error_handler(void *host); extern int scsi_decide_disposition(struct scsi_cmnd *cmd); -extern void scsi_eh_wakeup(struct Scsi_Host *shost); extern int scsi_eh_scmd_add(struct scsi_cmnd *, int); /* scsi_lib.c */ diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h index d160880b2a87..212c983a6a18 100644 --- a/include/scsi/scsi_eh.h +++ b/include/scsi/scsi_eh.h @@ -35,6 +35,7 @@ static inline int scsi_sense_valid(struct scsi_sense_hdr *sshdr) } +extern void scsi_eh_wakeup(struct Scsi_Host *shost); extern void scsi_eh_finish_cmd(struct scsi_cmnd *scmd, struct list_head *done_q); extern void scsi_eh_flush_done_q(struct list_head *done_q); diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h index de6ce541a046..a42efd6e4be8 100644 --- a/include/scsi/scsi_host.h +++ b/include/scsi/scsi_host.h @@ -472,6 +472,7 @@ struct Scsi_Host { */ unsigned int host_busy; /* commands actually active on low-level */ unsigned int host_failed; /* commands that failed. */ + unsigned int host_eh_scheduled; /* EH scheduled without command */ unsigned short host_no; /* Used for IOCTL_GET_IDLUN, /proc/scsi et al. */ int resetting; /* if set, it means that last_reset is a valid value */ |