[PATCH] SCSI update

drivers/scsi/esp.c:
  Fix the build.
scsi.h:
  Add struct list_head items for future (but soon) use
hosts.h:
  Remove select_queue_depths from host struct, add struct list
  stuff for proper list linking of host structs
hosts.c:
  Don't touch select_queue_depths any longer

drivers/scsi/hosts.c

@@ -229,7 +229,6 @@ struct Scsi_Host * scsi_register(Scsi_Host_Template * tpnt, int j)
     if (!blk_nohighio)
 	retval->highmem_io = tpnt->highmem_io;
 
-    retval->select_queue_depths = tpnt->select_queue_depths;
     retval->max_sectors = tpnt->max_sectors;
     retval->use_blk_tcq = tpnt->use_blk_tcq;
 

drivers/scsi/hosts.h

@@ -384,6 +384,8 @@ struct Scsi_Host
      */
     struct Scsi_Host      * next;
     Scsi_Device           * host_queue;
+    struct list_head	  all_scsi_hosts;
+    struct list_head	  my_devices;
 
     spinlock_t		  default_lock;
     spinlock_t		  *host_lock;
@@ -489,8 +491,6 @@ struct Scsi_Host
      */
     unsigned int max_host_blocked;
 
-    void (*select_queue_depths)(struct Scsi_Host *, Scsi_Device *);
-
     /*
      * For SCSI hosts which are PCI devices, set pci_dev so that
      * we can do BIOS EDD 3.0 mappings

drivers/scsi/scsi.h

@@ -556,12 +556,16 @@ struct scsi_device {
 	 */
 	struct scsi_device *next;	/* Used for linked list */
 	struct scsi_device *prev;	/* Used for linked list */
+	struct list_head    siblings;   /* list of all devices on this host */
+	struct list_head    same_target_siblings; /* just the devices sharing same target id */
 	wait_queue_head_t   scpnt_wait;	/* Used to wait if
 					   device is busy */
 	struct Scsi_Host *host;
 	request_queue_t request_queue;
         atomic_t                device_active; /* commands checked out for device */
 	volatile unsigned short device_busy;	/* commands actually active on low-level */
+	struct list_head free_cmnds;    /* list of available Scsi_Cmnd structs */
+	struct list_head busy_cmnds;    /* list of Scsi_Cmnd structs in use */
 	Scsi_Cmnd *device_queue;	/* queue of SCSI Command structures */
         Scsi_Cmnd *current_cmnd;	/* currently active command */
 	unsigned short queue_depth;	/* How deep of a queue we have */
@@ -711,6 +715,7 @@ struct scsi_cmnd {
 	Scsi_Request *sc_request;
 	struct scsi_cmnd *next;
 	struct scsi_cmnd *reset_chain;
+	struct list_head list_entry; /* Used to place us on the cmd lists */
 
 	int eh_state;		/* Used for state tracking in error handlr */
 	int eh_eflags;		/* Used by error handlr */