disable block2mtd page readahead (patch from #1058)

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@6242 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/target/linux/generic-2.6/patches/211-no_block2mtd_readahead.patch b/target/linux/generic-2.6/patches/211-no_block2mtd_readahead.patch
new file mode 100644 (file)
index 0000000..719fb37
--- /dev/null
+++ b/target/linux/generic-2.6/patches/211-no_block2mtd_readahead.patch
@@ -0,0 +1,11 @@
+--- linux.old/drivers/mtd/devices/block2mtd.c  2007-02-01 20:13:47.147274772 +0100
++++ linux/drivers/mtd/devices/block2mtd.c      2007-02-01 20:19:59.753034993 +0100
+@@ -40,7 +40,7 @@
+ 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;