342 	bno = NULLFSBLOCK;  in xfs_bmap_check_leaf_extents()
353 	ASSERT(bno != NULLFSBLOCK);  in xfs_bmap_check_leaf_extents()
446 		if (bno == NULLFSBLOCK)  in xfs_bmap_check_leaf_extents()
648 	if (tp->t_firstblock == NULLFSBLOCK) {  in xfs_bmap_extents_to_btree()
665 	if (WARN_ON_ONCE(args.fsbno == NULLFSBLOCK)) {  in xfs_bmap_extents_to_btree()
673 	ASSERT(tp->t_firstblock == NULLFSBLOCK ||  in xfs_bmap_extents_to_btree()
807 	if (tp->t_firstblock == NULLFSBLOCK) {  in xfs_bmap_local_to_extents()
821 	ASSERT(args.fsbno != NULLFSBLOCK);  in xfs_bmap_local_to_extents()
3041 	nullfb = ap->tp->t_firstblock == NULLFSBLOCK;  in xfs_bmap_adjacent()
3110 				prevbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3116 			prevbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3152 				gotbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3158 			gotbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3163 		if (prevbno != NULLFSBLOCK && gotbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3165 		else if (prevbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3167 		else if (gotbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3418 	nullfb = ap->tp->t_firstblock == NULLFSBLOCK;  in xfs_bmap_process_allocated_extent()
3465 		ap->blkno = NULLFSBLOCK;  in xfs_bmap_exact_minlen_extent_alloc()
3477 	if (ap->tp->t_firstblock == NULLFSBLOCK) {  in xfs_bmap_exact_minlen_extent_alloc()
3509 	if (args.fsbno != NULLFSBLOCK) {  in xfs_bmap_exact_minlen_extent_alloc()
3513 		ap->blkno = NULLFSBLOCK;  in xfs_bmap_exact_minlen_extent_alloc()
3550 	nullfb = ap->tp->t_firstblock == NULLFSBLOCK;  in xfs_bmap_btalloc()
3670 	if (tryagain && args.fsbno == NULLFSBLOCK) {  in xfs_bmap_btalloc()
3684 	if (isaligned && args.fsbno == NULLFSBLOCK) {  in xfs_bmap_btalloc()
3695 	if (args.fsbno == NULLFSBLOCK && nullfb &&  in xfs_bmap_btalloc()
3703 	if (args.fsbno == NULLFSBLOCK && nullfb) {  in xfs_bmap_btalloc()
3712 	if (args.fsbno != NULLFSBLOCK) {  in xfs_bmap_btalloc()
3716 		ap->blkno = NULLFSBLOCK;  in xfs_bmap_btalloc()
4125 	if (error || bma->blkno == NULLFSBLOCK)  in xfs_bmapi_allocate()
4267 	if (tp && tp->t_firstblock != NULLFSBLOCK)  in xfs_bmapi_minleft()
4435 			if (bma.blkno == NULLFSBLOCK)  in xfs_bmapi_write()
4592 	if (WARN_ON_ONCE(bma.blkno == NULLFSBLOCK))  in xfs_bmapi_convert_delalloc()
5895 	if (*next_fsb == NULLFSBLOCK) {  in xfs_bmap_insert_extents()
6157 	ASSERT(tp->t_firstblock == NULLFSBLOCK);  in xfs_bmap_finish_one()