Index: linux-2.6.21.7/drivers/mtd/devices/block2mtd.c
===================================================================
--- linux-2.6.21.7.orig/drivers/mtd/devices/block2mtd.c
+++ linux-2.6.21.7/drivers/mtd/devices/block2mtd.c
@@ -41,7 +41,7 @@ struct block2mtd_dev {
 static LIST_HEAD(blkmtd_device_list);
 
 
-#define PAGE_READAHEAD 64
+#define PAGE_READAHEAD 0
 static void cache_readahead(struct address_space *mapping, int index)
 {
 	filler_t *filler = (filler_t*)mapping->a_ops->readpage;
