189 	pag = xfs_perag_get(mp, XFS_FSB_TO_AGNO(mp, irec->br_startblock));  in xfs_reflink_trim_around_shared()
190 	agbno = XFS_FSB_TO_AGBNO(mp, irec->br_startblock);  in xfs_reflink_trim_around_shared()
235 	    !isnullstartblock(imap->br_startblock)) {  in xfs_bmap_trim_cow()
264 		if (WARN_ON_ONCE(isnullstartblock(got.br_startblock)))  in xfs_reflink_convert_cow_locked()
335 	if (isnullstartblock(cmap->br_startblock)) {  in xfs_find_trim_cow_extent()
485 		ASSERT(isnullstartblock(cmap->br_startblock) ||  in xfs_reflink_fill_delalloc()
486 		       cmap->br_startblock == DELAYSTARTBLOCK);  in xfs_reflink_fill_delalloc()
559 	if (isnullstartblock(cmap->br_startblock) ||  in xfs_reflink_allocate_cow()
560 	    cmap->br_startblock == DELAYSTARTBLOCK)  in xfs_reflink_allocate_cow()
609 		if (isnullstartblock(del.br_startblock)) {  in xfs_reflink_cancel_cow_blocks()
618 			xfs_refcount_free_cow_extent(*tpp, del.br_startblock,  in xfs_reflink_cancel_cow_blocks()
621 			xfs_free_extent_later(*tpp, del.br_startblock,  in xfs_reflink_cancel_cow_blocks()
810 	} else if (data.br_startblock == DELAYSTARTBLOCK) {  in xfs_reflink_end_cow_extent()
827 	xfs_refcount_free_cow_extent(tp, del.br_startblock, del.br_blockcount);  in xfs_reflink_end_cow_extent()
1227 	if (dmap->br_startblock == smap.br_startblock) {  in xfs_reflink_remap_extent()
1241 				XFS_FSB_TO_AGNO(mp, dmap->br_startblock));  in xfs_reflink_remap_extent()
1295 	} else if (smap.br_startblock == DELAYSTARTBLOCK) {  in xfs_reflink_remap_extent()
1390 		if (imap.br_startblock == DELAYSTARTBLOCK) {  in xfs_reflink_remap_blocks()
1391 			ASSERT(imap.br_startblock != DELAYSTARTBLOCK);  in xfs_reflink_remap_blocks()
1576 		if (isnullstartblock(got.br_startblock) ||  in xfs_reflink_inode_has_shared_extents()
1580 		pag = xfs_perag_get(mp, XFS_FSB_TO_AGNO(mp, got.br_startblock));  in xfs_reflink_inode_has_shared_extents()
1581 		agbno = XFS_FSB_TO_AGBNO(mp, got.br_startblock);  in xfs_reflink_inode_has_shared_extents()