linux-kernel - [PATCH] fcntl: use architecture independent values for new fcntl operations

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Message-Id: <20091114180131.da95d2a1.sfr@canb.auug.org.au>
Date:	Sat, 14 Nov 2009 18:01:31 +1100
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Linus <torvalds@...ux-foundation.org>
Cc:	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	"Joseph S. Myers" <joseph@...esourcery.com>,
	linux-api@...r.kernel.org, lkml <linux-kernel@...r.kernel.org>,
	Oleg Nesterov <onestero@...hat.com>,
	Stephane Eranian <eranian@...glemail.com>,
	Michael Kerrisk <mtk.manpages@...glemail.com>,
	Roland McGrath <roland@...hat.com>,
	Al Viro <viro@...IV.linux.org.uk>,
	Christoph Hellwig <hch@...radead.org>,
	Ingo Molnar <mingo@...e.hu>, Ulrich Drepper <drepper@...il.com>
Subject: [PATCH] fcntl: use architecture independent values for new fcntl
 operations

This is what F_LINUX_SPECIFIC_BASE was meant for.

These values were only introduced during this release cycle, so it is
still early enough to get them right.

Signed-off-by: Stephen Rothwell <sfr@...b.auug.org.au>
---
 arch/alpha/include/asm/fcntl.h  |    2 --
 arch/parisc/include/asm/fcntl.h |    2 --
 include/asm-generic/fcntl.h     |   14 --------------
 include/linux/fcntl.h           |   12 ++++++++++++
 4 files changed, 12 insertions(+), 18 deletions(-)

diff --git a/arch/alpha/include/asm/fcntl.h b/arch/alpha/include/asm/fcntl.h
index 73126e4..25da001 100644
--- a/arch/alpha/include/asm/fcntl.h
+++ b/arch/alpha/include/asm/fcntl.h
@@ -26,8 +26,6 @@
 #define F_GETOWN	6	/*  for sockets. */
 #define F_SETSIG	10	/*  for sockets. */
 #define F_GETSIG	11	/*  for sockets. */
-#define F_SETOWN_EX	15
-#define F_GETOWN_EX	16
 
 /* for posix fcntl() and lockf() */
 #define F_RDLCK		1
diff --git a/arch/parisc/include/asm/fcntl.h b/arch/parisc/include/asm/fcntl.h
index 5f39d55..1e1c824 100644
--- a/arch/parisc/include/asm/fcntl.h
+++ b/arch/parisc/include/asm/fcntl.h
@@ -28,8 +28,6 @@
 #define F_SETOWN	12	/*  for sockets. */
 #define F_SETSIG	13	/*  for sockets. */
 #define F_GETSIG	14	/*  for sockets. */
-#define F_GETOWN_EX	15
-#define F_SETOWN_EX	16
 
 /* for posix fcntl() and lockf() */
 #define F_RDLCK		01
diff --git a/include/asm-generic/fcntl.h b/include/asm-generic/fcntl.h
index cd2d789..8ec0716 100644
--- a/include/asm-generic/fcntl.h
+++ b/include/asm-generic/fcntl.h
@@ -82,20 +82,6 @@
 #endif
 #endif
 
-#ifndef F_SETOWN_EX
-#define F_SETOWN_EX	15
-#define F_GETOWN_EX	16
-#endif
-
-#define F_OWNER_TID	0
-#define F_OWNER_PID	1
-#define F_OWNER_GID	2
-
-struct f_owner_ex {
-	int	type;
-	pid_t	pid;
-};
-
 /* for F_[GET|SET]FL */
 #define FD_CLOEXEC	1	/* actually anything with low bit set goes */
 
diff --git a/include/linux/fcntl.h b/include/linux/fcntl.h
index 8603740..b34c41d 100644
--- a/include/linux/fcntl.h
+++ b/include/linux/fcntl.h
@@ -40,6 +40,18 @@
                                            unlinking file.  */
 #define AT_SYMLINK_FOLLOW	0x400   /* Follow symbolic links.  */
 
+#define F_SETOWN_EX	(F_LINUX_SPECIFIC_BASE + 7)
+#define F_GETOWN_EX	(F_LINUX_SPECIFIC_BASE + 8)
+
+#define F_OWNER_TID	0
+#define F_OWNER_PID	1
+#define F_OWNER_GID	2
+
+struct f_owner_ex {
+	int	type;
+	pid_t	pid;
+};
+
 #ifdef __KERNEL__
 
 #ifndef force_o_largefile
-- 
1.6.5.2

-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/
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