diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 2be404f68a768f46aa70912288db72983115ab45..c03056aafcdba83ac3226f60a0c536e9c3f55cd1 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -52,7 +52,7 @@ static ext4_fsblk_t ext_pblock(struct ext4_extent *ex)
 {
 	ext4_fsblk_t block;
 
-	block = le32_to_cpu(ex->ee_start);
+	block = le32_to_cpu(ex->ee_start_lo);
 	block |= ((ext4_fsblk_t) le16_to_cpu(ex->ee_start_hi) << 31) << 1;
 	return block;
 }
@@ -77,7 +77,7 @@ static ext4_fsblk_t idx_pblock(struct ext4_extent_idx *ix)
  */
 static void ext4_ext_store_pblock(struct ext4_extent *ex, ext4_fsblk_t pb)
 {
-	ex->ee_start = cpu_to_le32((unsigned long) (pb & 0xffffffff));
+	ex->ee_start_lo = cpu_to_le32((unsigned long) (pb & 0xffffffff));
 	ex->ee_start_hi = cpu_to_le16((unsigned long) ((pb >> 31) >> 1) & 0xffff);
 }
 
@@ -1409,8 +1409,7 @@ int ext4_ext_insert_extent(handle_t *handle, struct inode *inode,
 	eh->eh_entries = cpu_to_le16(le16_to_cpu(eh->eh_entries)+1);
 	nearex = path[depth].p_ext;
 	nearex->ee_block = newext->ee_block;
-	nearex->ee_start = newext->ee_start;
-	nearex->ee_start_hi = newext->ee_start_hi;
+	ext4_ext_store_pblock(nearex, ext_pblock(newext));
 	nearex->ee_len = newext->ee_len;
 
 merge:
@@ -2177,7 +2176,6 @@ int ext4_ext_convert_to_initialized(handle_t *handle, struct inode *inode,
 	}
 	/* ex2: iblock to iblock + maxblocks-1 : initialised */
 	ex2->ee_block = cpu_to_le32(iblock);
-	ex2->ee_start = cpu_to_le32(newblock);
 	ext4_ext_store_pblock(ex2, newblock);
 	ex2->ee_len = cpu_to_le16(allocated);
 	if (ex2 != ex)
diff --git a/include/linux/ext4_fs_extents.h b/include/linux/ext4_fs_extents.h
index 81406f3655d4bd162c0ed0aade00c19de8666371..cb2dfbbc969a47b00f012304b8f2095f9d54eb2d 100644
--- a/include/linux/ext4_fs_extents.h
+++ b/include/linux/ext4_fs_extents.h
@@ -74,7 +74,7 @@ struct ext4_extent {
 	__le32	ee_block;	/* first logical block extent covers */
 	__le16	ee_len;		/* number of blocks covered by extent */
 	__le16	ee_start_hi;	/* high 16 bits of physical block */
-	__le32	ee_start;	/* low 32 bits of physical block */
+	__le32	ee_start_lo;	/* low 32 bits of physical block */
 };
 
 /*