344 	bno = NULLFSBLOCK;  in xfs_bmap_check_leaf_extents()
355 	ASSERT(bno != NULLFSBLOCK);  in xfs_bmap_check_leaf_extents()
448 		if (bno == NULLFSBLOCK)  in xfs_bmap_check_leaf_extents()
546 	ASSERT(bno != NULLFSBLOCK);  in __xfs_bmap_add_free()
700 	if (tp->t_firstblock == NULLFSBLOCK) {  in xfs_bmap_extents_to_btree()
717 	if (WARN_ON_ONCE(args.fsbno == NULLFSBLOCK)) {  in xfs_bmap_extents_to_btree()
725 	ASSERT(tp->t_firstblock == NULLFSBLOCK ||  in xfs_bmap_extents_to_btree()
859 	if (tp->t_firstblock == NULLFSBLOCK) {  in xfs_bmap_local_to_extents()
873 	ASSERT(args.fsbno != NULLFSBLOCK);  in xfs_bmap_local_to_extents()
3094 	nullfb = ap->tp->t_firstblock == NULLFSBLOCK;  in xfs_bmap_adjacent()
3163 				prevbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3169 			prevbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3205 				gotbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3211 			gotbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3216 		if (prevbno != NULLFSBLOCK && gotbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3218 		else if (prevbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3220 		else if (gotbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3470 	nullfb = ap->tp->t_firstblock == NULLFSBLOCK;  in xfs_bmap_process_allocated_extent()
3517 		ap->blkno = NULLFSBLOCK;  in xfs_bmap_exact_minlen_extent_alloc()
3529 	if (ap->tp->t_firstblock == NULLFSBLOCK) {  in xfs_bmap_exact_minlen_extent_alloc()
3561 	if (args.fsbno != NULLFSBLOCK) {  in xfs_bmap_exact_minlen_extent_alloc()
3565 		ap->blkno = NULLFSBLOCK;  in xfs_bmap_exact_minlen_extent_alloc()
3602 	nullfb = ap->tp->t_firstblock == NULLFSBLOCK;  in xfs_bmap_btalloc()
3722 	if (tryagain && args.fsbno == NULLFSBLOCK) {  in xfs_bmap_btalloc()
3736 	if (isaligned && args.fsbno == NULLFSBLOCK) {  in xfs_bmap_btalloc()
3747 	if (args.fsbno == NULLFSBLOCK && nullfb &&  in xfs_bmap_btalloc()
3755 	if (args.fsbno == NULLFSBLOCK && nullfb) {  in xfs_bmap_btalloc()
3764 	if (args.fsbno != NULLFSBLOCK) {  in xfs_bmap_btalloc()
3768 		ap->blkno = NULLFSBLOCK;  in xfs_bmap_btalloc()
4177 	if (error || bma->blkno == NULLFSBLOCK)  in xfs_bmapi_allocate()
4319 	if (tp && tp->t_firstblock != NULLFSBLOCK)  in xfs_bmapi_minleft()
4487 			if (bma.blkno == NULLFSBLOCK)  in xfs_bmapi_write()
4641 	if (WARN_ON_ONCE(bma.blkno == NULLFSBLOCK))  in xfs_bmapi_convert_delalloc()
5984 	if (*next_fsb == NULLFSBLOCK) {  in xfs_bmap_insert_extents()
6246 	ASSERT(tp->t_firstblock == NULLFSBLOCK);  in xfs_bmap_finish_one()