[PATCH] reiserfs: ifdef xattr_sem

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>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/reiserfs_fs_i.h b/include/linux/reiserfs_fs_i.h
index 149be8d..711e7e7 100644
--- a/include/linux/reiserfs_fs_i.h
+++ b/include/linux/reiserfs_fs_i.h
@@ -55,7 +55,9 @@
 
 	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;
 };