diff mbox

Btrfs: parse parent 0 into correct value in tracepoint

Message ID 1354274662-17726-1-git-send-email-bo.li.liu@oracle.com (mailing list archive)
State New, archived
Headers show

Commit Message

Liu Bo Nov. 30, 2012, 11:24 a.m. UTC 
Value 0 is not a tree id, so besides an upper limit, a lower limit is
necessary as well while parsing root types of tracepoint.

Signed-off-by: Liu Bo <bo.li.liu@oracle.com>
---
 include/trace/events/btrfs.h |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
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Patch

diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h
index bed9f15..91c6433 100644
--- a/include/trace/events/btrfs.h
+++ b/include/trace/events/btrfs.h
@@ -45,7 +45,8 @@  struct extent_buffer;
 
 #define show_root_type(obj)						\
 	obj, ((obj >= BTRFS_DATA_RELOC_TREE_OBJECTID) ||		\
-	      (obj <= BTRFS_CSUM_TREE_OBJECTID )) ? __show_root_type(obj) : "-"
+	      (obj >= BTRFS_ROOT_TREE_OBJECTID &&			\
+	       obj <= BTRFS_CSUM_TREE_OBJECTID)) ? __show_root_type(obj) : "-"
 
 #define BTRFS_GROUP_FLAGS	\
 	{ BTRFS_BLOCK_GROUP_DATA,	"DATA"}, \