extern void xfs_freesb(xfs_mount_t *);
extern void xfs_do_force_shutdown(bhv_desc_t *, int, char *, int);
extern int xfs_syncsub(xfs_mount_t *, int, int, int *);
-extern void xfs_initialize_perag(xfs_mount_t *, int);
+extern xfs_agnumber_t xfs_initialize_perag(xfs_mount_t *, xfs_agnumber_t);
extern void xfs_xlatesb(void *, struct xfs_sb *, int, xfs_arch_t,
__int64_t);