STABLE14-linux26-disable-backing-readahead-20061109

FIXES 42797

disable vm readahead, we don't want it

(cherry picked from commit dd508cf7b4553b13872335ec1eb84401bc61435f)

diff --git a/src/afs/LINUX/osi_vfsops.c b/src/afs/LINUX/osi_vfsops.c
index 0539b4c7bda10aa4514c14f9db01a8992674103d..0b248cc8415a1e0053960bafa3ba7095c746312c 100644 (file)
--- a/src/afs/LINUX/osi_vfsops.c
+++ b/src/afs/LINUX/osi_vfsops.c
@@ -102,8 +102,7 @@ struct file_system_type afs_fs_type = {
 
 #if defined(AFS_LINUX26_ENV)
 struct backing_dev_info afs_backing_dev_info = {
-       .ra_pages       = (VM_MAX_READAHEAD * 1024) / PAGE_CACHE_SIZE,
-       .state          = 0,
+    .ra_pages          = 0, /* disable readahead, afs does prefetch */
 };
 
 int