Btrfs: Add leak debugging for extent_buffer and extent_state

This also fixes one leak around the super block when failing to mount the
FS.

Signed-off-by: Chris Mason <chris.mason@oracle.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h
index 8b5319db2516..16d67a61a25c 100644
--- a/fs/btrfs/extent_io.h
+++ b/fs/btrfs/extent_io.h
@@ -66,7 +66,7 @@ struct extent_state {
         /* for use by the FS */
         u64 private;
 
-        struct list_head list;
+        struct list_head leak_list;
 };
 
 struct extent_buffer {
@@ -80,6 +80,7 @@ struct extent_buffer {
         struct list_head lru;
         atomic_t refs;
         int flags;
+        struct list_head leak_list;
 };
 
 struct extent_map_tree;