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-rw-r--r--include/scsi/scsi_host.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 916144be208b..69313ba7505b 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -439,6 +439,8 @@ enum scsi_host_state {
439 SHOST_CANCEL, 439 SHOST_CANCEL,
440 SHOST_DEL, 440 SHOST_DEL,
441 SHOST_RECOVERY, 441 SHOST_RECOVERY,
442 SHOST_CANCEL_RECOVERY,
443 SHOST_DEL_RECOVERY,
442}; 444};
443 445
444struct Scsi_Host { 446struct Scsi_Host {
@@ -465,8 +467,6 @@ struct Scsi_Host {
465 467
466 struct list_head eh_cmd_q; 468 struct list_head eh_cmd_q;
467 struct task_struct * ehandler; /* Error recovery thread. */ 469 struct task_struct * ehandler; /* Error recovery thread. */
468 struct semaphore * eh_wait; /* The error recovery thread waits
469 on this. */
470 struct semaphore * eh_action; /* Wait for specific actions on the 470 struct semaphore * eh_action; /* Wait for specific actions on the
471 host. */ 471 host. */
472 unsigned int eh_active:1; /* Indicates the eh thread is awake and active if 472 unsigned int eh_active:1; /* Indicates the eh thread is awake and active if
@@ -621,6 +621,13 @@ static inline struct Scsi_Host *dev_to_shost(struct device *dev)
621 return container_of(dev, struct Scsi_Host, shost_gendev); 621 return container_of(dev, struct Scsi_Host, shost_gendev);
622} 622}
623 623
624static inline int scsi_host_in_recovery(struct Scsi_Host *shost)
625{
626 return shost->shost_state == SHOST_RECOVERY ||
627 shost->shost_state == SHOST_CANCEL_RECOVERY ||
628 shost->shost_state == SHOST_DEL_RECOVERY;
629}
630
624extern int scsi_queue_work(struct Scsi_Host *, struct work_struct *); 631extern int scsi_queue_work(struct Scsi_Host *, struct work_struct *);
625extern void scsi_flush_work(struct Scsi_Host *); 632extern void scsi_flush_work(struct Scsi_Host *);
626 633