250 	struct xfs_bmbt_irec	got;  in xfs_reflink_convert_cow_locked()  local
255 	if (!xfs_iext_lookup_extent(ip, ip->i_cowfp, offset_fsb, &icur, &got))  in xfs_reflink_convert_cow_locked()
259 		if (got.br_startoff >= offset_fsb + count_fsb)  in xfs_reflink_convert_cow_locked()
261 		if (got.br_state == XFS_EXT_NORM)  in xfs_reflink_convert_cow_locked()
263 		if (WARN_ON_ONCE(isnullstartblock(got.br_startblock)))  in xfs_reflink_convert_cow_locked()
266 		xfs_trim_extent(&got, offset_fsb, count_fsb);  in xfs_reflink_convert_cow_locked()
267 		if (!got.br_blockcount)  in xfs_reflink_convert_cow_locked()
270 		got.br_state = XFS_EXT_NORM;  in xfs_reflink_convert_cow_locked()
272 				XFS_COW_FORK, &icur, &dummy_cur, &got,  in xfs_reflink_convert_cow_locked()
276 	} while (xfs_iext_next_extent(ip->i_cowfp, &icur, &got));  in xfs_reflink_convert_cow_locked()
317 	struct xfs_bmbt_irec	got;  in xfs_find_trim_cow_extent()  local
325 	if (!xfs_iext_lookup_extent(ip, ip->i_cowfp, offset_fsb, &icur, &got))  in xfs_find_trim_cow_extent()
326 		got.br_startoff = offset_fsb + count_fsb;  in xfs_find_trim_cow_extent()
327 	if (got.br_startoff > offset_fsb) {  in xfs_find_trim_cow_extent()
329 				got.br_startoff - imap->br_startoff);  in xfs_find_trim_cow_extent()
334 	if (isnullstartblock(got.br_startblock)) {  in xfs_find_trim_cow_extent()
335 		xfs_trim_extent(imap, got.br_startoff, got.br_blockcount);  in xfs_find_trim_cow_extent()
340 	xfs_trim_extent(&got, offset_fsb, count_fsb);  in xfs_find_trim_cow_extent()
341 	*imap = got;  in xfs_find_trim_cow_extent()
467 	struct xfs_bmbt_irec		got, del;  in xfs_reflink_cancel_cow_blocks()  local
473 	if (!xfs_iext_lookup_extent_before(ip, ifp, &end_fsb, &icur, &got))  in xfs_reflink_cancel_cow_blocks()
477 	while (got.br_startoff + got.br_blockcount > offset_fsb) {  in xfs_reflink_cancel_cow_blocks()
478 		del = got;  in xfs_reflink_cancel_cow_blocks()
491 					&icur, &got, &del);  in xfs_reflink_cancel_cow_blocks()
510 			xfs_bmap_del_extent_cow(ip, &icur, &got, &del);  in xfs_reflink_cancel_cow_blocks()
523 		if (!xfs_iext_get_extent(ifp, &icur, &got))  in xfs_reflink_cancel_cow_blocks()
604 	struct xfs_bmbt_irec	got, del;  in xfs_reflink_end_cow_extent()  local
638 	if (!xfs_iext_lookup_extent_before(ip, ifp, end_fsb, &icur, &got) ||  in xfs_reflink_end_cow_extent()
639 	    got.br_startoff + got.br_blockcount <= offset_fsb) {  in xfs_reflink_end_cow_extent()
650 	del = got;  in xfs_reflink_end_cow_extent()
660 	if (!xfs_bmap_is_real_extent(&got)) {  in xfs_reflink_end_cow_extent()
686 	xfs_bmap_del_extent_cow(ip, &icur, &got, &del);  in xfs_reflink_end_cow_extent()
1470 	struct xfs_bmbt_irec		got;  in xfs_reflink_inode_has_shared_extents()  local
1490 	found = xfs_iext_lookup_extent(ip, ifp, 0, &icur, &got);  in xfs_reflink_inode_has_shared_extents()
1492 		if (isnullstartblock(got.br_startblock) ||  in xfs_reflink_inode_has_shared_extents()
1493 		    got.br_state != XFS_EXT_NORM)  in xfs_reflink_inode_has_shared_extents()
1495 		agno = XFS_FSB_TO_AGNO(mp, got.br_startblock);  in xfs_reflink_inode_has_shared_extents()
1496 		agbno = XFS_FSB_TO_AGBNO(mp, got.br_startblock);  in xfs_reflink_inode_has_shared_extents()
1497 		aglen = got.br_blockcount;  in xfs_reflink_inode_has_shared_extents()
1509 		found = xfs_iext_next_extent(ifp, &icur, &got);  in xfs_reflink_inode_has_shared_extents()