linux-kernel - [PATCH -V7 07/26] vfs: Optimize out IS_RICHACL() if CONFIG_FS

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Date:	Tue, 18 Oct 2011 21:02:42 +0530
From:	"Aneesh Kumar K.V" <aneesh.kumar@...ux.vnet.ibm.com>
To:	agruen@...nel.org, bfields@...ldses.org, akpm@...ux-foundation.org,
	viro@...iv.linux.org.uk, dhowells@...hat.com
Cc:	aneesh.kumar@...ux.vnet.ibm.com, linux-fsdevel@...r.kernel.org,
	linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH -V7 07/26] vfs: Optimize out IS_RICHACL() if CONFIG_FS_RICHACL is not defined

From: Andreas Gruenbacher <agruen@...nel.org>

if CONFIG_FS_RICHACL is not defined optimize out
the ACL check function.

Acked-by: David Howells <dhowells@...hat.com>
Signed-off-by: Andreas Gruenbacher <agruen@...nel.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@...ux.vnet.ibm.com>
---
 fs/Kconfig         |    3 +++
 include/linux/fs.h |    5 +++++
 2 files changed, 8 insertions(+), 0 deletions(-)

diff --git a/fs/Kconfig b/fs/Kconfig
index 9fe0b34..7939190 100644
--- a/fs/Kconfig
+++ b/fs/Kconfig
@@ -46,6 +46,9 @@ endif # BLOCK
 config FS_POSIX_ACL
 	def_bool n
 
+config FS_RICHACL
+	def_bool n
+
 config EXPORTFS
 	tristate
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 7b4bfe6..f3ebf86 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -271,7 +271,12 @@ struct inodes_stat_t {
 #define IS_APPEND(inode)	((inode)->i_flags & S_APPEND)
 #define IS_IMMUTABLE(inode)	((inode)->i_flags & S_IMMUTABLE)
 #define IS_POSIXACL(inode)	__IS_FLG(inode, MS_POSIXACL)
+
+#ifdef CONFIG_FS_RICHACL
 #define IS_RICHACL(inode)	__IS_FLG(inode, MS_RICHACL)
+#else
+#define IS_RICHACL(inode)	0
+#endif
 
 #define IS_DEADDIR(inode)	((inode)->i_flags & S_DEAD)
 #define IS_NOCMTIME(inode)	((inode)->i_flags & S_NOCMTIME)
-- 
1.7.5.4

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