libxfs: add crc format changes to generic btrees

[thirdparty/xfsprogs-dev.git] / include / xfs_buf_item.h

diff --git a/include/xfs_buf_item.h b/include/xfs_buf_item.h
index ee36c88ecfdec40f999316d00a56f8d03cde8d73..101ef8377f1bc96695b7844d69209d40ad41eb18 100644 (file)
--- a/include/xfs_buf_item.h
+++ b/include/xfs_buf_item.h
@@ -24,19 +24,33 @@ extern kmem_zone_t  *xfs_buf_item_zone;
  * This flag indicates that the buffer contains on disk inodes
  * and requires special recovery handling.
  */
-#define        XFS_BLF_INODE_BUF       0x1
+#define        XFS_BLF_INODE_BUF       (1<<0)
 /*
  * This flag indicates that the buffer should not be replayed
  * during recovery because its blocks are being freed.
  */
-#define        XFS_BLF_CANCEL          0x2
+#define        XFS_BLF_CANCEL          (1<<1)
+
 /*
  * This flag indicates that the buffer contains on disk
  * user or group dquots and may require special recovery handling.
  */
-#define        XFS_BLF_UDQUOT_BUF      0x4
-#define XFS_BLF_PDQUOT_BUF     0x8
-#define        XFS_BLF_GDQUOT_BUF      0x10
+#define        XFS_BLF_UDQUOT_BUF      (1<<2)
+#define XFS_BLF_PDQUOT_BUF     (1<<3)
+#define        XFS_BLF_GDQUOT_BUF      (1<<4)
+
+/*
+ * all buffers now need flags to tell recovery where the magic number
+ * is so that it can verify and calculate the CRCs on the buffer correctly
+ * once the changes have been replayed into the buffer.
+ */
+#define XFS_BLF_BTREE_BUF      (1<<5)
+
+#define XFS_BLF_TYPE_MASK      \
+               (XFS_BLF_UDQUOT_BUF | \
+                XFS_BLF_PDQUOT_BUF | \
+                XFS_BLF_GDQUOT_BUF | \
+                XFS_BLF_BTREE_BUF)
 
 #define        XFS_BLF_CHUNK           128
 #define        XFS_BLF_SHIFT           7