From: Alexey Dobriyan <adobriyan@gmail.com>

Shrink reiserfs inode by 12 bytes for xattr non-users (me).

	-reiser_inode_cache     356     11
	+reiser_inode_cache     344     11

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Cc: <reiserfs-dev@namesys.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---


diff -puN fs/reiserfs/inode.c~reiserfs-ifdef-xattr_sem fs/reiserfs/inode.c
--- a/fs/reiserfs/inode.c~reiserfs-ifdef-xattr_sem
+++ a/fs/reiserfs/inode.c
@@ -1129,7 +1129,7 @@ static void init_inode(struct inode *ino
 	REISERFS_I(inode)->i_jl = NULL;
 	REISERFS_I(inode)->i_acl_access = NULL;
 	REISERFS_I(inode)->i_acl_default = NULL;
-	init_rwsem(&REISERFS_I(inode)->xattr_sem);
+	reiserfs_init_xattr_rwsem(inode);
 
 	if (stat_data_v1(ih)) {
 		struct stat_data_v1 *sd =
@@ -1836,7 +1836,7 @@ int reiserfs_new_inode(struct reiserfs_t
 	sd_attrs_to_i_attrs(REISERFS_I(inode)->i_attrs, inode);
 	REISERFS_I(inode)->i_acl_access = NULL;
 	REISERFS_I(inode)->i_acl_default = NULL;
-	init_rwsem(&REISERFS_I(inode)->xattr_sem);
+	reiserfs_init_xattr_rwsem(inode);
 
 	if (old_format_only(sb))
 		make_le_item_head(&ih, NULL, KEY_FORMAT_3_5, SD_OFFSET,
diff -puN include/linux/reiserfs_fs_i.h~reiserfs-ifdef-xattr_sem include/linux/reiserfs_fs_i.h
--- a/include/linux/reiserfs_fs_i.h~reiserfs-ifdef-xattr_sem
+++ a/include/linux/reiserfs_fs_i.h
@@ -55,7 +55,9 @@ struct reiserfs_inode_info {
 
 	struct posix_acl *i_acl_access;
 	struct posix_acl *i_acl_default;
+#ifdef CONFIG_REISERFS_FS_XATTR
 	struct rw_semaphore xattr_sem;
+#endif
 	struct inode vfs_inode;
 };
 
diff -puN include/linux/reiserfs_xattr.h~reiserfs-ifdef-xattr_sem include/linux/reiserfs_xattr.h
--- a/include/linux/reiserfs_xattr.h~reiserfs-ifdef-xattr_sem
+++ a/include/linux/reiserfs_xattr.h
@@ -97,6 +97,11 @@ static inline void reiserfs_mark_inode_p
 	inode->i_flags |= S_PRIVATE;
 }
 
+static inline void reiserfs_init_xattr_rwsem(struct inode *inode)
+{
+	init_rwsem(&REISERFS_I(inode)->xattr_sem);
+}
+
 #else
 
 #define is_reiserfs_priv_object(inode) 0
@@ -129,6 +134,9 @@ static inline int reiserfs_xattr_init(st
 	sb->s_flags = (sb->s_flags & ~MS_POSIXACL);	/* to be sure */
 	return 0;
 };
+static inline void reiserfs_init_xattr_rwsem(struct inode *inode)
+{
+}
 #endif
 
 #endif				/* __KERNEL__ */
_