1 files changed, 5 insertions, 0 deletions

diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
index 74f67c2aca34..ac121ad16540 100644
--- a/fs/nfsd/nfsd.h
+++ b/fs/nfsd/nfsd.h
@@ -70,6 +70,11 @@ int nfsd_create_serv(void);
 
 extern int nfsd_max_blksize;
 
+static inline int nfsd_v4client(struct svc_rqst *rq)
+{
+        return rq->rq_prog == NFS_PROGRAM && rq->rq_vers == 4;
+}
+
 /* 
  * NFSv4 State
  */