diff --git a/fs/ext4/extents_status.h b/fs/ext4/extents_status.h
index b0b78b9..e86b1f3 100644
--- a/fs/ext4/extents_status.h
+++ b/fs/ext4/extents_status.h
@@ -29,25 +29,21 @@
 /*
  * These flags live in the high bits of extent_status.es_pblk
  */
-#define ES_SHIFT	60
+enum {
+	ES_WRITTEN_B,
+	ES_UNWRITTEN_B,
+	ES_DELAYED_B,
+	ES_HOLE_B,
+	ES_FLAGS
+};
 
-#define EXTENT_STATUS_WRITTEN	(1 << 3)
-#define EXTENT_STATUS_UNWRITTEN (1 << 2)
-#define EXTENT_STATUS_DELAYED	(1 << 1)
-#define EXTENT_STATUS_HOLE	(1 << 0)
+#define ES_SHIFT (sizeof(ext4_fsblk_t)*8 - ES_FLAGS)
+#define ES_MASK (~((ext4_fsblk_t)0) << ES_SHIFT)
 
-#define EXTENT_STATUS_FLAGS	(EXTENT_STATUS_WRITTEN | \
-				 EXTENT_STATUS_UNWRITTEN | \
-				 EXTENT_STATUS_DELAYED | \
-				 EXTENT_STATUS_HOLE)
-
-#define ES_WRITTEN		(1ULL << 63)
-#define ES_UNWRITTEN		(1ULL << 62)
-#define ES_DELAYED		(1ULL << 61)
-#define ES_HOLE			(1ULL << 60)
-
-#define ES_MASK			(ES_WRITTEN | ES_UNWRITTEN | \
-				 ES_DELAYED | ES_HOLE)
+#define EXTENT_STATUS_WRITTEN	(1 << ES_WRITTEN_B)
+#define EXTENT_STATUS_UNWRITTEN (1 << ES_UNWRITTEN_B)
+#define EXTENT_STATUS_DELAYED	(1 << ES_DELAYED_B)
+#define EXTENT_STATUS_HOLE	(1 << ES_HOLE_B)
 
 struct ext4_sb_info;
 struct ext4_extent;
@@ -92,29 +88,29 @@
 extern int ext4_es_lookup_extent(struct inode *inode, ext4_lblk_t lblk,
 				 struct extent_status *es);
 
+static inline unsigned int ext4_es_status(struct extent_status *es)
+{
+	return es->es_pblk >> ES_SHIFT;
+}
+
 static inline int ext4_es_is_written(struct extent_status *es)
 {
-	return (es->es_pblk & ES_WRITTEN) != 0;
+	return (ext4_es_status(es) & EXTENT_STATUS_WRITTEN) != 0;
 }
 
 static inline int ext4_es_is_unwritten(struct extent_status *es)
 {
-	return (es->es_pblk & ES_UNWRITTEN) != 0;
+	return (ext4_es_status(es) & EXTENT_STATUS_UNWRITTEN) != 0;
 }
 
 static inline int ext4_es_is_delayed(struct extent_status *es)
 {
-	return (es->es_pblk & ES_DELAYED) != 0;
+	return (ext4_es_status(es) & EXTENT_STATUS_DELAYED) != 0;
 }
 
 static inline int ext4_es_is_hole(struct extent_status *es)
 {
-	return (es->es_pblk & ES_HOLE) != 0;
-}
-
-static inline unsigned int ext4_es_status(struct extent_status *es)
-{
-	return es->es_pblk >> ES_SHIFT;
+	return (ext4_es_status(es) & EXTENT_STATUS_HOLE) != 0;
 }
 
 static inline ext4_fsblk_t ext4_es_pblock(struct extent_status *es)
@@ -134,18 +130,16 @@
 static inline void ext4_es_store_status(struct extent_status *es,
 					unsigned int status)
 {
-	es->es_pblk = (((ext4_fsblk_t)
-			(status & EXTENT_STATUS_FLAGS) << ES_SHIFT) |
-		       (es->es_pblk & ~ES_MASK));
+	es->es_pblk = (((ext4_fsblk_t)status << ES_SHIFT) & ES_MASK) |
+		      (es->es_pblk & ~ES_MASK);
 }
 
 static inline void ext4_es_store_pblock_status(struct extent_status *es,
 					       ext4_fsblk_t pb,
 					       unsigned int status)
 {
-	es->es_pblk = (((ext4_fsblk_t)
-			(status & EXTENT_STATUS_FLAGS) << ES_SHIFT) |
-		       (pb & ~ES_MASK));
+	es->es_pblk = (((ext4_fsblk_t)status << ES_SHIFT) & ES_MASK) |
+		      (pb & ~ES_MASK);
 }
 
 extern int ext4_es_register_shrinker(struct ext4_sb_info *sbi);