341 	bno = NULLFSBLOCK;  in xfs_bmap_check_leaf_extents()
352 	ASSERT(bno != NULLFSBLOCK);  in xfs_bmap_check_leaf_extents()
445 		if (bno == NULLFSBLOCK)  in xfs_bmap_check_leaf_extents()
543 	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()
862 	if (tp->t_firstblock == NULLFSBLOCK) {  in xfs_bmap_local_to_extents()
876 	ASSERT(args.fsbno != NULLFSBLOCK);  in xfs_bmap_local_to_extents()
3145 	nullfb = ap->tp->t_firstblock == NULLFSBLOCK;  in xfs_bmap_adjacent()
3214 				prevbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3220 			prevbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3256 				gotbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3262 			gotbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3267 		if (prevbno != NULLFSBLOCK && gotbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3269 		else if (prevbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3271 		else if (gotbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3512 	nullfb = ap->tp->t_firstblock == NULLFSBLOCK;  in xfs_bmap_btalloc()
3649 	if (tryagain && args.fsbno == NULLFSBLOCK) {  in xfs_bmap_btalloc()
3663 	if (isaligned && args.fsbno == NULLFSBLOCK) {  in xfs_bmap_btalloc()
3674 	if (args.fsbno == NULLFSBLOCK && nullfb &&  in xfs_bmap_btalloc()
3682 	if (args.fsbno == NULLFSBLOCK && nullfb) {  in xfs_bmap_btalloc()
3690 	if (args.fsbno != NULLFSBLOCK) {  in xfs_bmap_btalloc()
3695 		ASSERT(ap->tp->t_firstblock == NULLFSBLOCK ||  in xfs_bmap_btalloc()
3700 		if (ap->tp->t_firstblock == NULLFSBLOCK)  in xfs_bmap_btalloc()
3722 		ap->blkno = NULLFSBLOCK;  in xfs_bmap_btalloc()
4126 	if (error || bma->blkno == NULLFSBLOCK)  in xfs_bmapi_allocate()
4268 	if (tp && tp->t_firstblock != NULLFSBLOCK)  in xfs_bmapi_minleft()
4438 			if (bma.blkno == NULLFSBLOCK)  in xfs_bmapi_write()
4586 	if (WARN_ON_ONCE(bma.blkno == NULLFSBLOCK))  in xfs_bmapi_convert_delalloc()
5925 	if (*next_fsb == NULLFSBLOCK) {  in xfs_bmap_insert_extents()
6189 	ASSERT(tp->t_firstblock == NULLFSBLOCK);  in xfs_bmap_finish_one()