kernel: add a config option for direct i/o support

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@35001 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 4 insertions, 0 deletions

diff --git a/Config.in b/Config.in
index 6552296259..e3bbe2afa4 100644
--- a/Config.in
+++ b/Config.in
@@ -268,6 +268,10 @@ menu "Global build settings"
 		bool "Compile the kernel with asynchronous IO support"
 		default n
 
+	config KERNEL_DIRECT_IO
+		bool "Compile the kernel with direct IO support"
+		default n
+
 	config KERNEL_MAGIC_SYSRQ
 		bool "Compile the kernel with SysRq support"
 		default y