diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c
index 23192eb7094f..e5a0f1ababe6 100644
--- a/fs/nfsd/export.c
+++ b/fs/nfsd/export.c
@@ -22,6 +22,7 @@
 
 #include "nfsd.h"
 #include "nfserr.h"
+#include "nfs4ctl.h"
 #include "nfsfh.h"
 #include "netns.h"
 #include "pnfs.h"
diff --git a/fs/nfsd/nfs4ctl.h b/fs/nfsd/nfs4ctl.h
new file mode 100644
index 000000000000..bcec4c4ef1d5
--- /dev/null
+++ b/fs/nfsd/nfs4ctl.h
@@ -0,0 +1,83 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Entry points by which the knfsd core drives the optional NFSv4
+ * subsystem: state lifecycle, the laundromat workqueue, the recovery
+ * directory, junctions, the CLD notifier, and leases-net setup.
+ *
+ * Separated from nfsd.h so that the many translation units that
+ * include nfsd.h but call none of these -- among them the NFSv2 and
+ * NFSv3 paths -- do not have to parse them. The CONFIG_NFSD_V4=n
+ * stubs let the version-agnostic callers invoke the routines
+ * unconditionally.
+ */
+
+#ifndef LINUX_NFSD_NFS4CTL_H
+#define LINUX_NFSD_NFS4CTL_H
+
+#include <linux/stddef.h>
+#include <linux/types.h>
+
+struct net;
+struct inode;
+struct dentry;
+struct svc_rqst;
+struct nfsd_net;
+
+#ifdef CONFIG_NFSD_V4
+extern unsigned long max_delegations;
+int nfsd4_init_slabs(void);
+void nfsd4_free_slabs(void);
+int nfs4_state_start(void);
+int nfs4_state_start_net(struct net *net);
+void nfs4_state_shutdown(void);
+void nfs4_state_shutdown_net(struct net *net);
+int nfs4_reset_recoverydir(char *recdir);
+char * nfs4_recoverydir(void);
+bool nfsd4_spo_must_allow(struct svc_rqst *rqstp);
+int nfsd4_create_laundry_wq(void);
+void nfsd4_destroy_laundry_wq(void);
+bool nfsd_wait_for_delegreturn(struct svc_rqst *rqstp, struct inode *inode);
+
+extern int nfsd4_is_junction(struct dentry *dentry);
+extern int register_cld_notifier(void);
+extern void unregister_cld_notifier(void);
+#ifdef CONFIG_NFSD_V4_2_INTER_SSC
+extern void nfsd4_ssc_init_umount_work(struct nfsd_net *nn);
+#endif
+
+extern void nfsd4_init_leases_net(struct nfsd_net *nn);
+
+#else /* CONFIG_NFSD_V4 */
+static inline int nfsd4_init_slabs(void) { return 0; }
+static inline void nfsd4_free_slabs(void) { }
+static inline int nfs4_state_start(void) { return 0; }
+static inline int nfs4_state_start_net(struct net *net) { return 0; }
+static inline void nfs4_state_shutdown(void) { }
+static inline void nfs4_state_shutdown_net(struct net *net) { }
+static inline int nfs4_reset_recoverydir(char *recdir) { return 0; }
+static inline char * nfs4_recoverydir(void) {return NULL; }
+static inline bool nfsd4_spo_must_allow(struct svc_rqst *rqstp)
+{
+	return false;
+}
+static inline int nfsd4_create_laundry_wq(void) { return 0; };
+static inline void nfsd4_destroy_laundry_wq(void) {};
+static inline bool nfsd_wait_for_delegreturn(struct svc_rqst *rqstp,
+					      struct inode *inode)
+{
+	return false;
+}
+
+static inline int nfsd4_is_junction(struct dentry *dentry)
+{
+	return 0;
+}
+
+static inline void nfsd4_init_leases_net(struct nfsd_net *nn) { };
+
+#define register_cld_notifier() 0
+#define unregister_cld_notifier() do { } while(0)
+
+#endif /* CONFIG_NFSD_V4 */
+
+#endif /* LINUX_NFSD_NFS4CTL_H */
diff --git a/fs/nfsd/nfs4proc.c b/fs/nfsd/nfs4proc.c
index 0bbf781d4ac5..d4265ee3c73d 100644
--- a/fs/nfsd/nfs4proc.c
+++ b/fs/nfsd/nfs4proc.c
@@ -46,6 +46,7 @@
 #include "idmap.h"
 #include "cache.h"
 #include "xdr4.h"
+#include "nfs4ctl.h"
 #include "vfs.h"
 #include "current_stateid.h"
 #include "netns.h"
diff --git a/fs/nfsd/nfs4recover.c b/fs/nfsd/nfs4recover.c
index d513971fb119..aee3a0b22d1c 100644
--- a/fs/nfsd/nfs4recover.c
+++ b/fs/nfsd/nfs4recover.c
@@ -47,6 +47,7 @@
 #include <linux/nfsd/cld.h>
 
 #include "nfsd.h"
+#include "nfs4ctl.h"
 #include "state.h"
 #include "vfs.h"
 #include "netns.h"
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 47909a34d52b..9c766a063b19 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -48,6 +48,7 @@
 #include <linux/nfs_ssc.h>
 
 #include "xdr4.h"
+#include "nfs4ctl.h"
 #include "xdr4cb.h"
 #include "vfs.h"
 #include "current_stateid.h"
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 4492856c76b4..c0f10517470b 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -24,6 +24,7 @@
 #include "idmap.h"
 #include "nfsd.h"
 #include "nfserr.h"
+#include "nfs4ctl.h"
 #include "netns.h"
 #include "stats.h"
 #include "cache.h"
diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
index 1886f6d42929..1cccf5a3c034 100644
--- a/fs/nfsd/nfsd.h
+++ b/fs/nfsd/nfsd.h
@@ -151,45 +151,6 @@ static inline int nfsd_v4client(struct svc_rqst *rq)
 	return rq && rq->rq_prog == NFS_PROGRAM && rq->rq_vers == 4;
 }
 
-/* 
- * NFSv4 State
- */
-#ifdef CONFIG_NFSD_V4
-extern unsigned long max_delegations;
-int nfsd4_init_slabs(void);
-void nfsd4_free_slabs(void);
-int nfs4_state_start(void);
-int nfs4_state_start_net(struct net *net);
-void nfs4_state_shutdown(void);
-void nfs4_state_shutdown_net(struct net *net);
-int nfs4_reset_recoverydir(char *recdir);
-char * nfs4_recoverydir(void);
-bool nfsd4_spo_must_allow(struct svc_rqst *rqstp);
-int nfsd4_create_laundry_wq(void);
-void nfsd4_destroy_laundry_wq(void);
-bool nfsd_wait_for_delegreturn(struct svc_rqst *rqstp, struct inode *inode);
-#else
-static inline int nfsd4_init_slabs(void) { return 0; }
-static inline void nfsd4_free_slabs(void) { }
-static inline int nfs4_state_start(void) { return 0; }
-static inline int nfs4_state_start_net(struct net *net) { return 0; }
-static inline void nfs4_state_shutdown(void) { }
-static inline void nfs4_state_shutdown_net(struct net *net) { }
-static inline int nfs4_reset_recoverydir(char *recdir) { return 0; }
-static inline char * nfs4_recoverydir(void) {return NULL; }
-static inline bool nfsd4_spo_must_allow(struct svc_rqst *rqstp)
-{
-	return false;
-}
-static inline int nfsd4_create_laundry_wq(void) { return 0; };
-static inline void nfsd4_destroy_laundry_wq(void) {};
-static inline bool nfsd_wait_for_delegreturn(struct svc_rqst *rqstp,
-					      struct inode *inode)
-{
-	return false;
-}
-#endif
-
 /*
  * lockd binding
  */
@@ -197,28 +158,4 @@ void		nfsd_lockd_init(void);
 void		nfsd_lockd_shutdown(void);
 
 
-#ifdef CONFIG_NFSD_V4
-
-extern int nfsd4_is_junction(struct dentry *dentry);
-extern int register_cld_notifier(void);
-extern void unregister_cld_notifier(void);
-#ifdef CONFIG_NFSD_V4_2_INTER_SSC
-extern void nfsd4_ssc_init_umount_work(struct nfsd_net *nn);
-#endif
-
-extern void nfsd4_init_leases_net(struct nfsd_net *nn);
-
-#else /* CONFIG_NFSD_V4 */
-static inline int nfsd4_is_junction(struct dentry *dentry)
-{
-	return 0;
-}
-
-static inline void nfsd4_init_leases_net(struct nfsd_net *nn) { };
-
-#define register_cld_notifier() 0
-#define unregister_cld_notifier() do { } while(0)
-
-#endif /* CONFIG_NFSD_V4 */
-
 #endif /* LINUX_NFSD_NFSD_H */
diff --git a/fs/nfsd/nfssvc.c b/fs/nfsd/nfssvc.c
index 7f6ffbe7be28..9cc8489978a3 100644
--- a/fs/nfsd/nfssvc.c
+++ b/fs/nfsd/nfssvc.c
@@ -28,6 +28,7 @@
 
 #include "nfsd.h"
 #include "nfserr.h"
+#include "nfs4ctl.h"
 #include "cache.h"
 #include "vfs.h"
 #include "netns.h"
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 68fc2a45b64c..cbd1e34a548a 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -44,6 +44,7 @@
 
 #include "nfsd.h"
 #include "nfserr.h"
+#include "nfs4ctl.h"
 #include "netns.h"
 #include "stats.h"
 #include "vfs.h"