1 files changed, 7 insertions, 8 deletions

diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 61a81bf77e28..c8a462ef9a4e 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -46,12 +46,6 @@ struct blk_queue_tags;
 #define DISABLE_CLUSTERING 0
 #define ENABLE_CLUSTERING 1
 
-enum {
-        SCSI_QDEPTH_DEFAULT,    /* default requested change, e.g. from sysfs */
-        SCSI_QDEPTH_QFULL,      /* scsi-ml requested due to queue full */
-        SCSI_QDEPTH_RAMP_UP,    /* scsi-ml requested due to threshold event */
-};
-
 struct scsi_host_template {
         struct module *module;
         const char *name;
@@ -195,7 +189,7 @@ struct scsi_host_template {
          * Things currently recommended to be handled at this time include:
          *
          * 1.  Setting the device queue depth.  Proper setting of this is
-         *     described in the comments for scsi_adjust_queue_depth.
+         *     described in the comments for scsi_change_queue_depth.
          * 2.  Determining if the device supports the various synchronous
          *     negotiation protocols.  The device struct will already have
          *     responded to INQUIRY and the results of the standard items
@@ -281,7 +275,7 @@ struct scsi_host_template {
          *
          * Status: OPTIONAL
          */
-        int (* change_queue_depth)(struct scsi_device *, int, int);
+        int (* change_queue_depth)(struct scsi_device *, int);
 
         /*
          * Fill in this function to allow the changing of tag types
@@ -427,6 +421,11 @@ struct scsi_host_template {
         unsigned use_blk_tags:1;
 
         /*
+         * Track QUEUE_FULL events and reduce queue depth on demand.
+         */
+        unsigned track_queue_depth:1;
+
+        /*
          * This specifies the mode that a LLD supports.
          */
         unsigned supported_mode:2;