1 files changed, 4 insertions, 0 deletions

diff --git a/fs/xfs/xfs_extent_busy.h b/fs/xfs/xfs_extent_busy.h
index 985412d65ba5..bfff284d2dcc 100644
--- a/fs/xfs/xfs_extent_busy.h
+++ b/fs/xfs/xfs_extent_busy.h
@@ -20,6 +20,10 @@
 #ifndef __XFS_EXTENT_BUSY_H__
 #define __XFS_EXTENT_BUSY_H__
 
+struct xfs_mount;
+struct xfs_trans;
+struct xfs_alloc_arg;
+
 /*
  * Busy block/extent entry.  Indexed by a rbtree in perag to mark blocks that
  * have been freed but whose transactions aren't committed to disk yet.