346 	bno = NULLFSBLOCK;  in xfs_bmap_check_leaf_extents()
359 	ASSERT(bno != NULLFSBLOCK);  in xfs_bmap_check_leaf_extents()
450 		if (bno == NULLFSBLOCK)  in xfs_bmap_check_leaf_extents()
548 	ASSERT(bno != NULLFSBLOCK);  in __xfs_bmap_add_free()
702 	if (tp->t_firstblock == NULLFSBLOCK) {  in xfs_bmap_extents_to_btree()
719 	if (WARN_ON_ONCE(args.fsbno == NULLFSBLOCK)) {  in xfs_bmap_extents_to_btree()
727 	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()
1247 		if (nextbno != NULLFSBLOCK)  in xfs_iread_extents()
1275 		if (bno == NULLFSBLOCK)  in xfs_iread_extents()
3064 	nullfb = ap->tp->t_firstblock == NULLFSBLOCK;  in xfs_bmap_adjacent()
3133 				prevbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3139 			prevbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3175 				gotbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3181 			gotbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3186 		if (prevbno != NULLFSBLOCK && gotbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3188 		else if (prevbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3190 		else if (gotbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3426 	nullfb = ap->tp->t_firstblock == NULLFSBLOCK;  in xfs_bmap_btalloc()
3565 	if (tryagain && args.fsbno == NULLFSBLOCK) {  in xfs_bmap_btalloc()
3579 	if (isaligned && args.fsbno == NULLFSBLOCK) {  in xfs_bmap_btalloc()
3590 	if (args.fsbno == NULLFSBLOCK && nullfb &&  in xfs_bmap_btalloc()
3598 	if (args.fsbno == NULLFSBLOCK && nullfb) {  in xfs_bmap_btalloc()
3606 	if (args.fsbno != NULLFSBLOCK) {  in xfs_bmap_btalloc()
3611 		ASSERT(ap->tp->t_firstblock == NULLFSBLOCK ||  in xfs_bmap_btalloc()
3616 		if (ap->tp->t_firstblock == NULLFSBLOCK)  in xfs_bmap_btalloc()
3638 		ap->blkno = NULLFSBLOCK;  in xfs_bmap_btalloc()
4085 	if (bma->blkno == NULLFSBLOCK)  in xfs_bmapi_allocate()
4302 	if (!tp || tp->t_firstblock == NULLFSBLOCK) {  in xfs_bmapi_write()
4396 			if (bma.blkno == NULLFSBLOCK)  in xfs_bmapi_write()
5806 	if (*next_fsb == NULLFSBLOCK) {  in xfs_bmap_insert_extents()
6093 	ASSERT(tp->t_firstblock == NULLFSBLOCK);  in xfs_bmap_finish_one()