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()
665 	if (WARN_ON_ONCE(args.fsbno == NULLFSBLOCK)) {  in xfs_bmap_extents_to_btree()
812 	ASSERT(args.fsbno != NULLFSBLOCK);  in xfs_bmap_local_to_extents()
3128 			prevbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3163 			gotbno = NULLFSBLOCK;  in xfs_bmap_adjacent()
3168 		if (prevbno != NULLFSBLOCK && gotbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3170 		else if (prevbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3172 		else if (gotbno != NULLFSBLOCK)  in xfs_bmap_adjacent()
3400 		ap->blkno = NULLFSBLOCK;  in xfs_bmap_exact_minlen_extent_alloc()
3438 	if (args.fsbno != NULLFSBLOCK) {  in xfs_bmap_exact_minlen_extent_alloc()
3442 		ap->blkno = NULLFSBLOCK;  in xfs_bmap_exact_minlen_extent_alloc()
3509 		if (args->fsbno != NULLFSBLOCK)  in xfs_bmap_btalloc_at_eof()
3541 	if (args->fsbno != NULLFSBLOCK)  in xfs_bmap_btalloc_at_eof()
3575 		if (error || args->fsbno != NULLFSBLOCK)  in xfs_bmap_btalloc_low_space()
3610 		ASSERT(args->fsbno == NULLFSBLOCK);  in xfs_bmap_btalloc_filestreams()
3619 	if (!error && args->fsbno == NULLFSBLOCK)  in xfs_bmap_btalloc_filestreams()
3632 	if (error || args->fsbno != NULLFSBLOCK)  in xfs_bmap_btalloc_filestreams()
3668 		if (error || args->fsbno != NULLFSBLOCK)  in xfs_bmap_btalloc_best_length()
3673 	if (error || args->fsbno != NULLFSBLOCK)  in xfs_bmap_btalloc_best_length()
3687 		.fsbno		= NULLFSBLOCK,  in xfs_bmap_btalloc()
3718 	if (args.fsbno != NULLFSBLOCK) {  in xfs_bmap_btalloc()
3722 		ap->blkno = NULLFSBLOCK;  in xfs_bmap_btalloc()
4131 	if (error || bma->blkno == NULLFSBLOCK)  in xfs_bmapi_allocate()
4441 			if (bma.blkno == NULLFSBLOCK)  in xfs_bmapi_write()
4599 	if (WARN_ON_ONCE(bma.blkno == NULLFSBLOCK))  in xfs_bmapi_convert_delalloc()
5906 	if (*next_fsb == NULLFSBLOCK) {  in xfs_bmap_insert_extents()