700 	if (tp->t_firstblock == NULLFSBLOCK) {  in xfs_bmap_extents_to_btree()
705 		args.fsbno = tp->t_firstblock;  in xfs_bmap_extents_to_btree()
708 		args.fsbno = tp->t_firstblock;  in xfs_bmap_extents_to_btree()
725 	ASSERT(tp->t_firstblock == NULLFSBLOCK ||  in xfs_bmap_extents_to_btree()
726 	       args.agno >= XFS_FSB_TO_AGNO(mp, tp->t_firstblock));  in xfs_bmap_extents_to_btree()
727 	tp->t_firstblock = args.fsbno;  in xfs_bmap_extents_to_btree()
859 	if (tp->t_firstblock == NULLFSBLOCK) {  in xfs_bmap_local_to_extents()
863 		args.fsbno = tp->t_firstblock;  in xfs_bmap_local_to_extents()
875 	tp->t_firstblock = args.fsbno;  in xfs_bmap_local_to_extents()
3094 	nullfb = ap->tp->t_firstblock == NULLFSBLOCK;  in xfs_bmap_adjacent()
3098 							ap->tp->t_firstblock);  in xfs_bmap_adjacent()
3470 	nullfb = ap->tp->t_firstblock == NULLFSBLOCK;  in xfs_bmap_process_allocated_extent()
3477 		XFS_FSB_TO_AGNO(args->mp, ap->tp->t_firstblock) <=  in xfs_bmap_process_allocated_extent()
3482 		ap->tp->t_firstblock = args->fsbno;  in xfs_bmap_process_allocated_extent()
3529 	if (ap->tp->t_firstblock == NULLFSBLOCK) {  in xfs_bmap_exact_minlen_extent_alloc()
3540 		ap->blkno = ap->tp->t_firstblock;  in xfs_bmap_exact_minlen_extent_alloc()
3602 	nullfb = ap->tp->t_firstblock == NULLFSBLOCK;  in xfs_bmap_btalloc()
3604 							ap->tp->t_firstblock);  in xfs_bmap_btalloc()
3615 		ap->blkno = ap->tp->t_firstblock;  in xfs_bmap_btalloc()
3626 		ap->blkno = ap->tp->t_firstblock;  in xfs_bmap_btalloc()
4319 	if (tp && tp->t_firstblock != NULLFSBLOCK)  in xfs_bmapi_minleft()
6246 	ASSERT(tp->t_firstblock == NULLFSBLOCK);  in xfs_bmap_finish_one()