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authorChuck Lever <chuck.lever@oracle.com>2026-01-28 18:19:32 +0300
committerChuck Lever <chuck.lever@oracle.com>2026-03-30 04:25:09 +0300
commit615384a24b1e6b0f091ebc1dfbf7ec8b4c27fa81 (patch)
tree7da844897c4ffe5fe8c53dc9682640bb6029790d
parent236f3171ac690f632e13d391f47c68c3a8519bd2 (diff)
downloadlinux-615384a24b1e6b0f091ebc1dfbf7ec8b4c27fa81.tar.xz
lockd: Move xdr.h from include/linux/lockd/ to fs/lockd/
The lockd subsystem unnecessarily exposes internal NLM XDR type definitions through the global include path. These definitions are not used by any code outside fs/lockd/, making them inappropriate for include/linux/lockd/. Moving xdr.h to fs/lockd/ narrows the API surface and clarifies that these types are internal implementation details. The comment in linux/lockd/bind.h stating xdr.h was needed for "xdr-encoded error codes" is stale: no lockd API consumers use those codes. Forward declarations for struct nfs_fh and struct file_lock are added to bind.h because their definitions were previously pulled in transitively through xdr.h. Additionally, nfs3proc.c and proc.c need explicit includes of filelock.h for FL_CLOSE and for accessing struct file_lock members, respectively. Built and tested with lockd client/server operations. No functional change. Reviewed-by: Jeff Layton <jlayton@kernel.org> Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
-rw-r--r--fs/lockd/lockd.h2
-rw-r--r--fs/lockd/xdr.h (renamed from include/linux/lockd/xdr.h)8
-rw-r--r--fs/nfs/nfs3proc.c1
-rw-r--r--fs/nfs/proc.c1
-rw-r--r--include/linux/lockd/bind.h5
5 files changed, 8 insertions, 9 deletions
diff --git a/fs/lockd/lockd.h b/fs/lockd/lockd.h
index 460ccb701749..6f83b9a7257f 100644
--- a/fs/lockd/lockd.h
+++ b/fs/lockd/lockd.h
@@ -15,7 +15,7 @@
#include <linux/refcount.h>
#include <linux/utsname.h>
#include <linux/lockd/bind.h>
-#include <linux/lockd/xdr.h>
+#include "xdr.h"
#include <linux/sunrpc/debug.h>
#include <linux/sunrpc/svc.h>
diff --git a/include/linux/lockd/xdr.h b/fs/lockd/xdr.h
index 292e4e38d17d..af821ecf2a4e 100644
--- a/include/linux/lockd/xdr.h
+++ b/fs/lockd/xdr.h
@@ -1,14 +1,12 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
- * linux/include/linux/lockd/xdr.h
- *
* XDR types for the NLM protocol
*
* Copyright (C) 1996 Olaf Kirch <okir@monad.swb.de>
*/
-#ifndef LOCKD_XDR_H
-#define LOCKD_XDR_H
+#ifndef _LOCKD_XDR_H
+#define _LOCKD_XDR_H
#include <linux/fs.h>
#include <linux/filelock.h>
@@ -110,4 +108,4 @@ bool nlmsvc_encode_res(struct svc_rqst *rqstp, struct xdr_stream *xdr);
bool nlmsvc_encode_void(struct svc_rqst *rqstp, struct xdr_stream *xdr);
bool nlmsvc_encode_shareres(struct svc_rqst *rqstp, struct xdr_stream *xdr);
-#endif /* LOCKD_XDR_H */
+#endif /* _LOCKD_XDR_H */
diff --git a/fs/nfs/nfs3proc.c b/fs/nfs/nfs3proc.c
index be2aebf62056..95d7cd564b74 100644
--- a/fs/nfs/nfs3proc.c
+++ b/fs/nfs/nfs3proc.c
@@ -16,6 +16,7 @@
#include <linux/nfs3.h>
#include <linux/nfs_fs.h>
#include <linux/nfs_page.h>
+#include <linux/filelock.h>
#include <linux/lockd/bind.h>
#include <linux/nfs_mount.h>
#include <linux/freezer.h>
diff --git a/fs/nfs/proc.c b/fs/nfs/proc.c
index 8c3d2efa2636..70795684b8e8 100644
--- a/fs/nfs/proc.c
+++ b/fs/nfs/proc.c
@@ -41,6 +41,7 @@
#include <linux/nfs2.h>
#include <linux/nfs_fs.h>
#include <linux/nfs_page.h>
+#include <linux/filelock.h>
#include <linux/lockd/bind.h>
#include <linux/freezer.h>
#include "internal.h"
diff --git a/include/linux/lockd/bind.h b/include/linux/lockd/bind.h
index 077da0696f12..ba9258c96bfd 100644
--- a/include/linux/lockd/bind.h
+++ b/include/linux/lockd/bind.h
@@ -11,10 +11,9 @@
#define LINUX_LOCKD_BIND_H
#include <linux/lockd/nlm.h>
-/* need xdr-encoded error codes too, so... */
-#include <linux/lockd/xdr.h>
-/* Dummy declarations */
+struct file_lock;
+struct nfs_fh;
struct svc_rqst;
struct rpc_task;
struct rpc_clnt;