NFSv4: Send unmapped uid/gids to the server when using auth_sys

The new behaviour is enabled using the new module parameter
'nfs4_disable_idmapping'.

Note that if the server rejects an unmapped uid or gid, then
the client will automatically switch back to using the idmapper.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/nfs_fs_sb.h b/include/linux/nfs_fs_sb.h
index 0cbf109a4056..216cea5db0aa 100644
--- a/include/linux/nfs_fs_sb.h
+++ b/include/linux/nfs_fs_sb.h
@@ -177,6 +177,7 @@ struct nfs_server {
 #define NFS_CAP_CTIME           (1U << 12)
 #define NFS_CAP_MTIME           (1U << 13)
 #define NFS_CAP_POSIX_LOCK      (1U << 14)
+#define NFS_CAP_UIDGID_NOMAP    (1U << 15)
 
 
 /* maximum number of slots to use */