X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fscsi%2Fscsi_host.h;h=827992949c4bfe2b94635262483a4863aa0b2550;hb=41db6112a5558bd09c8ec5b0e61566db11f0d86d;hp=ecd53d7872d2edfe44a6a9ead2d73150ef482de7;hpb=dad2ad82c5f058367df79de022bd12d36afcd065;p=firefly-linux-kernel-4.4.55.git

diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index ecd53d7872d2..827992949c4b 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -5,8 +5,10 @@
 #include <linux/list.h>
 #include <linux/types.h>
 #include <linux/workqueue.h>
+#include <linux/mutex.h>
 
 struct block_device;
+struct completion;
 struct module;
 struct scsi_cmnd;
 struct scsi_device;
@@ -294,6 +296,12 @@ struct scsi_host_template {
 	 */
 	int (*proc_info)(struct Scsi_Host *, char *, char **, off_t, int, int);
 
+	/*
+	 * suspend support
+	 */
+	int (*resume)(struct scsi_device *);
+	int (*suspend)(struct scsi_device *);
+
 	/*
 	 * Name of proc directory
 	 */
@@ -391,7 +399,6 @@ struct scsi_host_template {
 	/*
 	 * ordered write support
 	 */
-	unsigned ordered_flush:1;
 	unsigned ordered_tag:1;
 
 	/*
@@ -463,14 +470,12 @@ struct Scsi_Host {
 	spinlock_t		default_lock;
 	spinlock_t		*host_lock;
 
-	struct semaphore	scan_mutex;/* serialize scanning activity */
+	struct mutex		scan_mutex;/* serialize scanning activity */
 
 	struct list_head	eh_cmd_q;
 	struct task_struct    * ehandler;  /* Error recovery thread. */
-	struct semaphore      * eh_action; /* Wait for specific actions on the
-                                          host. */
-	unsigned int            eh_active:1; /* Indicates the eh thread is awake and active if
-                                          this is true. */
+	struct completion     * eh_action; /* Wait for specific actions on the
+					      host. */
 	wait_queue_head_t       host_wait;
 	struct scsi_host_template *hostt;
 	struct scsi_transport_template *transportt;
@@ -549,7 +554,6 @@ struct Scsi_Host {
 	/*
 	 * ordered write support
 	 */
-	unsigned ordered_flush:1;
 	unsigned ordered_tag:1;
 
 	/*