From dc5af32be2cb86bbe2ee207884e5fb2ef719ab48 Mon Sep 17 00:00:00 2001
From: Chuck Lever <cel@kernel.org>
Date: Tue, 18 Aug 2026 10:00:34 -0400
Subject: [PATCH] NFSD: Include <linux/nfs_fh.h> where struct nfs_fh is used

struct nfsd4_copy embeds a struct nfs_fh, and nlm_fopen() reads the
size and data fields of one. Neither fs/nfsd/xdr4.h nor
fs/nfsd/lockd.c includes the header that defines the type; both
reach it by way of nfsd.h, which pulls in <linux/nfs.h>.

Add the direct include to both files, so nfsd.h can later drop the
<linux/nfs.h> it carries for no use of its own.

Reviewed-by: Jeff Layton <jlayton@kernel.org>
Link: https://patch.msgid.link/20260818140035.12740-2-cel@kernel.org
Signed-off-by: Chuck Lever <cel@kernel.org>
---
 fs/nfsd/lockd.c | 1 +
 fs/nfsd/xdr4.h  | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/fs/nfsd/lockd.c b/fs/nfsd/lockd.c
index 5ec0f5456063..f24e45dc37a0 100644
--- a/fs/nfsd/lockd.c
+++ b/fs/nfsd/lockd.c
@@ -9,6 +9,7 @@
 
 #include <linux/file.h>
 #include <linux/lockd/bind.h>
+#include <linux/nfs_fh.h>
 #include "nfsd.h"
 #include "nfserr.h"
 #include "vfs.h"
diff --git a/fs/nfsd/xdr4.h b/fs/nfsd/xdr4.h
index 7bbb375874ef..b841bc462dac 100644
--- a/fs/nfsd/xdr4.h
+++ b/fs/nfsd/xdr4.h
@@ -37,6 +37,8 @@
 #ifndef _LINUX_NFSD_XDR4_H
 #define _LINUX_NFSD_XDR4_H
 
+#include <linux/nfs_fh.h>
+
 #include "state.h"
 #include "vfs.h"