NFSv4.2: Change the default KConfig value for READ_PLUS

Now that we've worked out performance issues and have a server patch
addressing the failed xfstests, we can safely enable this feature by
default.

Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>

diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
index 14a72224b6571b9617d586f766e39dcb5f1772eb..1ead5bd740c27856ce6e93e5362335fde0d9c845 100644 (file)
--- a/fs/nfs/Kconfig
+++ b/fs/nfs/Kconfig
@@ -209,8 +209,8 @@ config NFS_DISABLE_UDP_SUPPORT
 config NFS_V4_2_READ_PLUS
        bool "NFS: Enable support for the NFSv4.2 READ_PLUS operation"
        depends on NFS_V4_2
-       default n
+       default y
        help
-        This is intended for developers only. The READ_PLUS operation has
-        been shown to have issues under specific conditions and should not
-        be used in production.
+        Choose Y here to enable the use of READ_PLUS over NFS v4.2. READ_PLUS
+        attempts to improve read performance by compressing out sparse holes
+        in the file contents.