[PATCH] initrd fix (missing set_capacity)

drivers/block/rd.c

@@ -476,6 +476,7 @@ static int __init rd_init (void)
 
 #ifdef CONFIG_BLK_DEV_INITRD
 	/* We ought to separate initrd operations here */
+	set_capacity(initrd_disk, (initrd_end-initrd_start+511)>>9);
 	add_disk(initrd_disk);
 	devfs_register(devfs_handle, "initrd", DEVFS_FL_DEFAULT, MAJOR_NR,
 			INITRD_MINOR, S_IFBLK | S_IRUSR, &rd_bd_op, NULL);