From: Felix Fietkau <nbd@openwrt.org>
Date: Thu, 1 Feb 2007 21:35:25 +0000 (+0000)
Subject: disable block2mtd page readahead (patch from #1058)
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=286cfe3c618ee3a2c7139f6a29f99a22c5f42a15;p=openwrt%2Fstaging%2Fnbd.git

disable block2mtd page readahead (patch from #1058)

SVN-Revision: 6242
---

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
index 0000000000..719fb37ff9
--- /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;