341 	bno = NULLFSBLOCK;  in xfs_bmap_check_leaf_extents()
354 	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()
699 	if (tp->t_firstblock == NULLFSBLOCK) {  in xfs_bmap_extents_to_btree()
716 	if (WARN_ON_ONCE(args.fsbno == NULLFSBLOCK)) {  in xfs_bmap_extents_to_btree()
724 	ASSERT(tp->t_firstblock == NULLFSBLOCK ||  in xfs_bmap_extents_to_btree()
861 	if (tp->t_firstblock == NULLFSBLOCK) {  in xfs_bmap_local_to_extents()
875 	ASSERT(args.fsbno != NULLFSBLOCK);  in xfs_bmap_local_to_extents()
1246 		if (nextbno != NULLFSBLOCK)  in xfs_iread_extents()
1274 		if (bno == NULLFSBLOCK)  in xfs_iread_extents()
3059 	nullfb = ap->tp->t_firstblock == NULLFSBLOCK;  in xfs_bmap_adjacent()
3128 				prevbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3134 			prevbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3170 				gotbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3176 			gotbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3181 		if (prevbno != NULLFSBLOCK && gotbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3183 		else if (prevbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3185 		else if (gotbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3425 	nullfb = ap->tp->t_firstblock == NULLFSBLOCK;  in xfs_bmap_btalloc()
3564 	if (tryagain && args.fsbno == NULLFSBLOCK) {  in xfs_bmap_btalloc()
3578 	if (isaligned && args.fsbno == NULLFSBLOCK) {  in xfs_bmap_btalloc()
3589 	if (args.fsbno == NULLFSBLOCK && nullfb &&  in xfs_bmap_btalloc()
3597 	if (args.fsbno == NULLFSBLOCK && nullfb) {  in xfs_bmap_btalloc()
3605 	if (args.fsbno != NULLFSBLOCK) {  in xfs_bmap_btalloc()
3610 		ASSERT(ap->tp->t_firstblock == NULLFSBLOCK ||  in xfs_bmap_btalloc()
3615 		if (ap->tp->t_firstblock == NULLFSBLOCK)  in xfs_bmap_btalloc()
3637 		ap->blkno = NULLFSBLOCK;  in xfs_bmap_btalloc()
4074 	if (bma->blkno == NULLFSBLOCK)  in xfs_bmapi_allocate()
4217 	if (tp && tp->t_firstblock != NULLFSBLOCK)  in xfs_bmapi_minleft()
4391 			if (bma.blkno == NULLFSBLOCK)  in xfs_bmapi_write()
4521 	if (WARN_ON_ONCE(bma.blkno == NULLFSBLOCK))  in xfs_bmapi_convert_delalloc()
5850 	if (*next_fsb == NULLFSBLOCK) {  in xfs_bmap_insert_extents()
6137 	ASSERT(tp->t_firstblock == NULLFSBLOCK);  in xfs_bmap_finish_one()