Fix Linux 3.8 btrfs probe warning

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/instrumentation/events/lttng-module/btrfs.h b/instrumentation/events/lttng-module/btrfs.h
index c01a6e0b9a357f01c5ddd4d4e2c6530d83e2675d..56cfce5db5c2058d198552fd99b4e2051568694e 100644 (file)
--- a/instrumentation/events/lttng-module/btrfs.h
+++ b/instrumentation/events/lttng-module/btrfs.h
@@ -67,9 +67,16 @@ struct extent_state;
                { BTRFS_DATA_RELOC_TREE_OBJECTID, "DATA_RELOC_TREE" })
 #endif
 
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0))
+#define show_root_type(obj)                                            \
+       obj, ((obj >= BTRFS_DATA_RELOC_TREE_OBJECTID) ||                \
+             (obj >= BTRFS_ROOT_TREE_OBJECTID &&                       \
+              obj <= BTRFS_CSUM_TREE_OBJECTID)) ? __show_root_type(obj) : "-"
+#else /* #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0)) */
 #define show_root_type(obj)                                            \
        obj, ((obj >= BTRFS_DATA_RELOC_TREE_OBJECTID) ||                \
              (obj <= BTRFS_CSUM_TREE_OBJECTID )) ? __show_root_type(obj) : "-"
+#endif /* #else #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,8,0)) */
 
 #if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,3,0))