1 files changed, 11 insertions, 0 deletions

diff --git a/fs/nfs/Kconfig b/fs/nfs/Kconfig
index b950415d7c43..5c55c26af165 100644
--- a/fs/nfs/Kconfig
+++ b/fs/nfs/Kconfig
@@ -118,3 +118,14 @@ config NFS_USE_KERNEL_DNS
         select DNS_RESOLVER
         select KEYS
         default y
+
+config NFS_USE_NEW_IDMAPPER
+        bool "Use the new idmapper upcall routine"
+        depends on NFS_V4 && KEYS
+        help
+          Say Y here if you want NFS to use the new idmapper upcall functions.
+          You will need /sbin/request-key (usually provided by the keyutils
+          package).  For details, read
+          <file:Documentation/filesystems/nfs/idmapper.txt>.
+
+          If you are unsure, say N.