--- uae/src/include/fsdb.h	2018/04/24 16:58:44	1.1.1.3
+++ uae/src/include/fsdb.h	2018/04/24 17:04:13	1.1.1.4
@@ -60,6 +60,11 @@ typedef struct a_inode_struct {
     int amigaos_mode;
     /* Unique number for identification.  */
     uae_u32 uniq;
+    /* For a directory that is being ExNext()ed, the number of child ainos
+       which must be kept locked in core.  */
+    unsigned long locked_children;
+    /* How many ExNext()s are going on in this directory?  */
+    unsigned long exnext_count;
     /* AmigaOS locking bits.  */
     int shlock;
     long db_offset;