summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--drivers/scsi/scsi_error.c3
-rw-r--r--drivers/scsi/scsi_lib.c2
-rw-r--r--drivers/scsi/scsi_priv.h1
-rw-r--r--include/scsi/scsi_eh.h1
-rw-r--r--include/scsi/scsi_host.h1
5 files changed, 5 insertions, 3 deletions
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 1c75646..9ca71cb 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 7b0f9a3..c55d195 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 27c4827..0b39081 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 d160880..212c983 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 de6ce54..a42efd6 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 */
OpenPOWER on IntegriCloud