linux-kernel - [PATCH v2 2/7] nfs_common: make nfs4.h include generated nfs4

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Message-Id: <20240826-delstid-v2-2-e8ab5c0e39cc@kernel.org>
Date: Mon, 26 Aug 2024 08:46:12 -0400
From: Jeff Layton <jlayton@...nel.org>
To: Chuck Lever <chuck.lever@...cle.com>, Neil Brown <neilb@...e.de>, 
 Olga Kornievskaia <kolga@...app.com>, Dai Ngo <Dai.Ngo@...cle.com>, 
 Tom Talpey <tom@...pey.com>, Trond Myklebust <trondmy@...nel.org>, 
 Anna Schumaker <anna@...nel.org>, Olga Kornievskaia <okorniev@...hat.com>, 
 Alexander Viro <viro@...iv.linux.org.uk>, 
 Christian Brauner <brauner@...nel.org>, Jan Kara <jack@...e.cz>, 
 Jonathan Corbet <corbet@....net>
Cc: Tom Haynes <loghyr@...il.com>, linux-kernel@...r.kernel.org, 
 linux-nfs@...r.kernel.org, linux-fsdevel@...r.kernel.org, 
 linux-doc@...r.kernel.org, Jeff Layton <jlayton@...nel.org>
Subject: [PATCH v2 2/7] nfs_common: make nfs4.h include generated nfs4_1.h

Long term, we'd like to move to autogenerating a lot of our XDR code.
Both the client and server include include/linux/nfs4.h. That file is
hand-rolled and some of the symbols in it conflict with the
autogenerated symbols from the spec.

Move nfs4_1.x to Documentation/sunrpc/xdr. Create a new
include/linux/sunrpc/xdrgen directory in which we can keep autogenerated
header files. Move the new, generated nfs4xdr_gen.h file to nfs4_1.h in
that directory. Have include/linux/nfs4.h include the newly renamed file
and then remove conflicting definitions from it and nfs_xdr.h.

For now, the .x file from which we're generating the header is fairly
small and just covers the delstid draft, but we can expand that in the
future and just remove conflicting definitions as we go.

Signed-off-by: Jeff Layton <jlayton@...nel.org>
---
 {fs/nfsd => Documentation/sunrpc/xdr}/nfs4_1.x                | 0
 fs/nfsd/nfs4xdr_gen.c                                         | 2 +-
 include/linux/nfs4.h                                          | 7 +------
 include/linux/nfs_xdr.h                                       | 5 -----
 fs/nfsd/nfs4xdr_gen.h => include/linux/sunrpc/xdrgen/nfs4_1.h | 6 +++---
 5 files changed, 5 insertions(+), 15 deletions(-)

diff --git a/fs/nfsd/nfs4_1.x b/Documentation/sunrpc/xdr/nfs4_1.x
similarity index 100%
rename from fs/nfsd/nfs4_1.x
rename to Documentation/sunrpc/xdr/nfs4_1.x
diff --git a/fs/nfsd/nfs4xdr_gen.c b/fs/nfsd/nfs4xdr_gen.c
index 0816cfa530e0..3e55dd1e6530 100644
--- a/fs/nfsd/nfs4xdr_gen.c
+++ b/fs/nfsd/nfs4xdr_gen.c
@@ -2,7 +2,7 @@
 // Generated by xdrgen. Manual edits will be lost.
 // XDR specification modification time: Fri Aug 23 18:57:46 2024
 
-#include "nfs4xdr_gen.h"
+#include <linux/sunrpc/xdrgen/nfs4.h>
 
 static bool __maybe_unused
 xdrgen_decode_int64_t(struct xdr_stream *xdr, int64_t *ptr)
diff --git a/include/linux/nfs4.h b/include/linux/nfs4.h
index 8d7430d9f218..b90719244775 100644
--- a/include/linux/nfs4.h
+++ b/include/linux/nfs4.h
@@ -17,6 +17,7 @@
 #include <linux/uidgid.h>
 #include <uapi/linux/nfs4.h>
 #include <linux/sunrpc/msg_prot.h>
+#include <linux/sunrpc/xdrgen/nfs4_1.h>
 
 enum nfs4_acl_whotype {
 	NFS4_ACL_WHO_NAMED = 0,
@@ -512,12 +513,6 @@ enum {
 	FATTR4_XATTR_SUPPORT		= 82,
 };
 
-enum {
-	FATTR4_TIME_DELEG_ACCESS	= 84,
-	FATTR4_TIME_DELEG_MODIFY	= 85,
-	FATTR4_OPEN_ARGUMENTS		= 86,
-};
-
 /*
  * The following internal definitions enable processing the above
  * attribute bits within 32-bit word boundaries.
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 45623af3e7b8..d3fe47baf110 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1315,11 +1315,6 @@ struct nfs4_fsid_present_res {
 
 #endif /* CONFIG_NFS_V4 */
 
-struct nfstime4 {
-	u64	seconds;
-	u32	nseconds;
-};
-
 #ifdef CONFIG_NFS_V4_1
 
 struct pnfs_commit_bucket {
diff --git a/fs/nfsd/nfs4xdr_gen.h b/include/linux/sunrpc/xdrgen/nfs4_1.h
similarity index 96%
rename from fs/nfsd/nfs4xdr_gen.h
rename to include/linux/sunrpc/xdrgen/nfs4_1.h
index e79935f973ff..0272c2ee8739 100644
--- a/fs/nfsd/nfs4xdr_gen.h
+++ b/include/linux/sunrpc/xdrgen/nfs4_1.h
@@ -2,8 +2,8 @@
 /* Generated by xdrgen. Manual edits will be lost. */
 /* XDR specification modification time: Fri Aug 23 18:57:46 2024 */
 
-#ifndef _LINUX_NFS4_XDRGEN_H
-#define _LINUX_NFS4_XDRGEN_H
+#ifndef _LINUX_XDRGEN_NFS4_H
+#define _LINUX_XDRGEN_NFS4_H
 
 #include <linux/types.h>
 #include <linux/sunrpc/svc.h>
@@ -103,4 +103,4 @@ enum { FATTR4_TIME_DELEG_MODIFY = 85 };
 
 enum { OPEN4_SHARE_ACCESS_WANT_DELEG_TIMESTAMPS = 0x100000 };
 
-#endif /* _LINUX_NFS4_XDRGEN_H */
+#endif /* _LINUX_XDRGEN_NFS4_H */

-- 
2.46.0