diff -urN linux-2.5.2-pre11/drivers/block/ps2esdi.c linux-2.5.2-pre11-patched/drivers/block/ps2esdi.c
--- linux-2.5.2-pre11/drivers/block/ps2esdi.c	Wed Dec 16 23:20:00 2001
+++ linux-2.5.2-pre11-patched/drivers/block/ps2esdi.c	Fri Jan 11 23:11:02 2002
@@ -481,7 +481,7 @@
 	}
 	else if ((CURRENT_DEV < ps2esdi_drives) &&
 	    (CURRENT->sector + CURRENT->current_nr_sectors <=
-	    ps2esdi[MINOR(CURRENT->rq_dev)].nr_sects) &&
+	    ps2esdi[minor(CURRENT->rq_dev)].nr_sects) &&
 	    	CURRENT->flags & REQ_CMD) {
 #if 0
 		printk("%s:got request. device : %d minor : %d command : %d  sector : %ld count : %ld\n",
@@ -510,7 +510,7 @@
 	/* is request is valid */
 	else {
 		printk("Grrr. error. ps2esdi_drives: %d, %lu %lu\n", ps2esdi_drives,
-		       CURRENT->sector, ps2esdi[MINOR(CURRENT->rq_dev)].nr_sects);
+		       CURRENT->sector, ps2esdi[minor(CURRENT->rq_dev)].nr_sects);
 		end_request(FAIL);
 	}
 }
@@ -422,7 +422,7 @@
	blk_queue_max_sectors(BLK_DEFAULT_QUEUE(MAJOR_NR), 128);
 
 	for (i = 0; i < ps2esdi_drives; i++) {
-		register_disk(&ps2esdi_gendisk,MKDEV(MAJOR_NR,i<<6),1<<6,
+		register_disk(&ps2esdi_gendisk,mk_kdev(MAJOR_NR,i<<6),1<<6,
 				&ps2esdi_fops,
 				ps2esdi_info[i].head * ps2esdi_info[i].sect *
 				ps2esdi_info[i].cyl);