linux-kernel - [PATCH] fs.h: ifdef security fields

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Date:	Tue, 1 Aug 2006 19:53:05 +0400
From:	Alexey Dobriyan <adobriyan@...il.com>
To:	Andrew Morton <akpm@...l.org>
Cc:	linux-kernel@...r.kernel.org
Subject: [PATCH] fs.h: ifdef security fields

Chop 4 bytes from struct inode et al here.

Signed-off-by: Alexey Dobriyan <adobriyan@...il.com>
---

 fs/inode.c         |    2 ++
 include/linux/fs.h |    7 ++++++-
 2 files changed, 8 insertions(+), 1 deletion(-)

--- a/fs/inode.c
+++ b/fs/inode.c
@@ -133,7 +133,9 @@ #endif
 		inode->i_bdev = NULL;
 		inode->i_cdev = NULL;
 		inode->i_rdev = 0;
+#ifdef CONFIG_SECURITY
 		inode->i_security = NULL;
+#endif
 		inode->dirtied_when = 0;
 		if (security_inode_alloc(inode)) {
 			if (inode->i_sb->s_op->destroy_inode)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -552,7 +552,9 @@ struct inode {
 	unsigned int		i_flags;
 
 	atomic_t		i_writecount;
+#ifdef CONFIG_SECURITY
 	void			*i_security;
+#endif
 	union {
 		void		*generic_ip;
 	} u;
@@ -688,8 +690,9 @@ struct file {
 	struct file_ra_state	f_ra;
 
 	unsigned long		f_version;
+#ifdef CONFIG_SECURITY_SELINUX
 	void			*f_security;
-
+#endif
 	/* needed for tty driver, and maybe others */
 	void			*private_data;
 
@@ -877,7 +880,9 @@ struct super_block {
 	int			s_syncing;
 	int			s_need_sync_fs;
 	atomic_t		s_active;
+#ifdef CONFIG_SECURITY_SELINUX
 	void                    *s_security;
+#endif
 	struct xattr_handler	**s_xattr;
 
 	struct list_head	s_inodes;	/* all inodes */

-
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