linux-kernel - [PATCH] sunrpc: eliminate RPC

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Date:	Mon,  6 Apr 2015 09:46:00 -0400
From:	Mark Salter <msalter@...hat.com>
To:	Trond Myklebust <trond.myklebust@...marydata.com>,
	Anna Schumaker <anna.schumaker@...app.com>
Cc:	Jeff Layton <jeff.layton@...marydata.com>,
	linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-api@...r.kernel.org, Mark Salter <msalter@...hat.com>
Subject: [PATCH] sunrpc: eliminate RPC_DEBUG

Commit f895b252d4edf ("sunrpc: eliminate RPC_DEBUG") introduced
use of IS_ENABLED() in a uapi header which leads to a build
failure for userspace apps trying to use <linux/nfsd/debug.h>:

   linux/nfsd/debug.h:18:15: error: missing binary operator before token "("
  #if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
                ^

Since this was only used to define NFSD_DEBUG if CONFIG_SUNRPC_DEBUG
is enabled, replace instances of NFSD_DEBUG with CONFIG_SUNRPC_DEBUG.

Signed-off-by: Mark Salter <msalter@...hat.com>
---
 fs/lockd/svcsubs.c              | 2 +-
 fs/nfsd/nfs4state.c             | 2 +-
 fs/nfsd/nfsd.h                  | 2 +-
 include/uapi/linux/nfsd/debug.h | 8 --------
 4 files changed, 3 insertions(+), 11 deletions(-)

diff --git a/fs/lockd/svcsubs.c b/fs/lockd/svcsubs.c
index 665ef5a..a563ddb 100644
--- a/fs/lockd/svcsubs.c
+++ b/fs/lockd/svcsubs.c
@@ -31,7 +31,7 @@
 static struct hlist_head	nlm_files[FILE_NRHASH];
 static DEFINE_MUTEX(nlm_file_mutex);
 
-#ifdef NFSD_DEBUG
+#ifdef CONFIG_SUNRPC_DEBUG
 static inline void nlm_debug_print_fh(char *msg, struct nfs_fh *f)
 {
 	u32 *fhp = (u32*)f->data;
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 26e9baa..d42786e 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -1139,7 +1139,7 @@ hash_sessionid(struct nfs4_sessionid *sessionid)
 	return sid->sequence % SESSION_HASH_SIZE;
 }
 
-#ifdef NFSD_DEBUG
+#ifdef CONFIG_SUNRPC_DEBUG
 static inline void
 dump_sessionid(const char *fn, struct nfs4_sessionid *sessionid)
 {
diff --git a/fs/nfsd/nfsd.h b/fs/nfsd/nfsd.h
index 565c4da..cf98052 100644
--- a/fs/nfsd/nfsd.h
+++ b/fs/nfsd/nfsd.h
@@ -24,7 +24,7 @@
 #include "export.h"
 
 #undef ifdebug
-#ifdef NFSD_DEBUG
+#ifdef CONFIG_SUNRPC_DEBUG
 # define ifdebug(flag)		if (nfsd_debug & NFSDDBG_##flag)
 #else
 # define ifdebug(flag)		if (0)
diff --git a/include/uapi/linux/nfsd/debug.h b/include/uapi/linux/nfsd/debug.h
index 0bf130a..28ec6c9 100644
--- a/include/uapi/linux/nfsd/debug.h
+++ b/include/uapi/linux/nfsd/debug.h
@@ -12,14 +12,6 @@
 #include <linux/sunrpc/debug.h>
 
 /*
- * Enable debugging for nfsd.
- * Requires RPC_DEBUG.
- */
-#if IS_ENABLED(CONFIG_SUNRPC_DEBUG)
-# define NFSD_DEBUG		1
-#endif
-
-/*
  * knfsd debug flags
  */
 #define NFSDDBG_SOCK		0x0001
-- 
1.8.3.1

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