[XFS] Remove xfs_macros.c, xfs_macros.h, rework headers a whole lot.

SGI-PV: 943122
SGI-Modid: xfs-linux:xfs-kern:23901a

Signed-off-by: Nathan Scott <nathans@sgi.com>
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index a264657..a37ffc3 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -29,29 +29,19 @@
  *
  * http://oss.sgi.com/projects/GenInfo/SGIGPLNoticeExplan/
  */
-
-/*
- * This file contains the implementation of the xfs_buf_log_item.
- * It contains the item operations used to manipulate the buf log
- * items as well as utility routines used by the buffer specific
- * transaction routines.
- */
-
 #include "xfs.h"
-
-#include "xfs_macros.h"
+#include "xfs_fs.h"
 #include "xfs_types.h"
-#include "xfs_inum.h"
+#include "xfs_bit.h"
 #include "xfs_log.h"
+#include "xfs_inum.h"
 #include "xfs_trans.h"
-#include "xfs_buf_item.h"
 #include "xfs_sb.h"
 #include "xfs_dir.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
+#include "xfs_buf_item.h"
 #include "xfs_trans_priv.h"
-#include "xfs_rw.h"
-#include "xfs_bit.h"
 #include "xfs_error.h"