diff --git a/fs/xfs/libxfs/xfs_zones.h b/fs/xfs/libxfs/xfs_zones.h
index 5fefd132e002..df10a34da71d 100644
--- a/fs/xfs/libxfs/xfs_zones.h
+++ b/fs/xfs/libxfs/xfs_zones.h
@@ -3,6 +3,7 @@
 #define _LIBXFS_ZONES_H
 
 struct xfs_rtgroup;
+struct blk_zone;
 
 /*
  * In order to guarantee forward progress for GC we need to reserve at least