NFSD: Explicitly include "stats.h"

Nothing in fs/nfsd/nfsd.h needs what is defined in "stats.h", so that
header can be moved out to the six translation units that actually
need it.

Link: https://patch.msgid.link/20260712204554.125308-3-cel@kernel.org
Reviewed-by: Jeff Layton <jlayton@kernel.org>
Signed-off-by: Chuck Lever <cel@kernel.org>

fs/nfsd/nfs4state.c

@@ -51,6 +51,7 @@
 #include "xdr4cb.h"
 #include "vfs.h"
 #include "current_stateid.h"
+#include "stats.h"
 
 #include "netns.h"
 #include "pnfs.h"

fs/nfsd/nfscache.c

@@ -19,6 +19,7 @@
 #include <net/checksum.h>
 
 #include "nfsd.h"
+#include "stats.h"
 #include "cache.h"
 #include "trace.h"
 

fs/nfsd/nfsctl.c

@@ -23,6 +23,7 @@
 
 #include "idmap.h"
 #include "nfsd.h"
+#include "stats.h"
 #include "cache.h"
 #include "state.h"
 #include "netns.h"

fs/nfsd/nfsd.h

@@ -41,7 +41,6 @@
 bool nfsd_support_version(int vers);
 
 #include "netns.h"
-#include "stats.h"
 
 /*
  * Default and maximum payload size (NFS READ or WRITE), in bytes.

fs/nfsd/nfsfh.c

@@ -13,6 +13,7 @@
 #include <linux/sunrpc/svcauth_gss.h>
 #include <crypto/utils.h>
 #include "nfsd.h"
+#include "stats.h"
 #include "vfs.h"
 #include "auth.h"
 #include "trace.h"

fs/nfsd/stats.c

@@ -26,6 +26,7 @@
 #include <net/net_namespace.h>
 
 #include "nfsd.h"
+#include "stats.h"
 
 static int nfsd_show(struct seq_file *seq, void *v)
 {

fs/nfsd/vfs.c

@@ -43,6 +43,7 @@
 #endif /* CONFIG_NFSD_V4 */
 
 #include "nfsd.h"
+#include "stats.h"
 #include "vfs.h"
 #include "filecache.h"
 #include "trace.h"