--- linux-2.6.0-test5/drivers/cdrom/sonycd535.c	Tue Sep  9 14:42:52 2003
+++ linux-2.6.0-test5-fwd/drivers/cdrom/sonycd535.c	Tue Sep  9 14:41:30 2003
@@ -812,14 +812,14 @@
 
 		block = req->sector;
 		nsect = req->nr_sectors;
-		if (!(req->flags & REQ_CMD))
-			continue;	/* FIXME */
+		if (!blk_fs_request(req)) {
+			end_request(req, 0);
+			continue;
+		}
 		if (rq_data_dir(req) == WRITE) {
 			end_request(req, 0);
 			continue;
 		}
-		if (rq_data_dir(req) != READ)
-			panic("Unknown SONY CD cmd");
 		/*
 		 * If the block address is invalid or the request goes beyond
 		 * the end of the media, return an error.
@@ -896,8 +896,10 @@
 					}
 					if (readStatus == BAD_STATUS) {
 						/* Sleep for a while, then retry */
-						current->state = TASK_INTERRUPTIBLE;
+						set_current_state(TASK_INTERRUPTIBLE);
+						spin_unlock_irq(&sonycd535_lock);
 						schedule_timeout(RETRY_FOR_BAD_STATUS*HZ/10);
+						spin_lock_irq(&sonycd535_lock);
 					}
 #if DEBUG > 0
 					printk(CDU535_MESSAGE_NAME
@@ -1481,7 +1483,7 @@
 	/* look for the CD-ROM, follows the procedure in the DOS driver */
 	inb(select_unit_reg);
 	/* wait for 40 18 Hz ticks (reverse-engineered from DOS driver) */
-	current->state = TASK_INTERRUPTIBLE;
+	set_current_state(TASK_INTERRUPTIBLE);
 	schedule_timeout((HZ+17)*40/18);
 	inb(result_reg);