248 	struct xfs_bmbt_irec	got;  in xfs_reflink_convert_cow_locked()  local
253 	if (!xfs_iext_lookup_extent(ip, ip->i_cowfp, offset_fsb, &icur, &got))  in xfs_reflink_convert_cow_locked()
257 		if (got.br_startoff >= offset_fsb + count_fsb)  in xfs_reflink_convert_cow_locked()
259 		if (got.br_state == XFS_EXT_NORM)  in xfs_reflink_convert_cow_locked()
261 		if (WARN_ON_ONCE(isnullstartblock(got.br_startblock)))  in xfs_reflink_convert_cow_locked()
264 		xfs_trim_extent(&got, offset_fsb, count_fsb);  in xfs_reflink_convert_cow_locked()
265 		if (!got.br_blockcount)  in xfs_reflink_convert_cow_locked()
268 		got.br_state = XFS_EXT_NORM;  in xfs_reflink_convert_cow_locked()
270 				XFS_COW_FORK, &icur, &dummy_cur, &got,  in xfs_reflink_convert_cow_locked()
274 	} while (xfs_iext_next_extent(ip->i_cowfp, &icur, &got));  in xfs_reflink_convert_cow_locked()
465 	struct xfs_bmbt_irec		got, del;  in xfs_reflink_cancel_cow_blocks()  local
471 	if (!xfs_iext_lookup_extent_before(ip, ifp, &end_fsb, &icur, &got))  in xfs_reflink_cancel_cow_blocks()
475 	while (got.br_startoff + got.br_blockcount > offset_fsb) {  in xfs_reflink_cancel_cow_blocks()
476 		del = got;  in xfs_reflink_cancel_cow_blocks()
489 					&icur, &got, &del);  in xfs_reflink_cancel_cow_blocks()
508 			xfs_bmap_del_extent_cow(ip, &icur, &got, &del);  in xfs_reflink_cancel_cow_blocks()
521 		if (!xfs_iext_get_extent(ifp, &icur, &got))  in xfs_reflink_cancel_cow_blocks()
602 	struct xfs_bmbt_irec	got, del;  in xfs_reflink_end_cow_extent()  local
636 	if (!xfs_iext_lookup_extent_before(ip, ifp, end_fsb, &icur, &got) ||  in xfs_reflink_end_cow_extent()
637 	    got.br_startoff + got.br_blockcount <= offset_fsb) {  in xfs_reflink_end_cow_extent()
643 	 * Structure copy @got into @del, then trim @del to the range that we  in xfs_reflink_end_cow_extent()
644 	 * were asked to remap.  We preserve @got for the eventual CoW fork  in xfs_reflink_end_cow_extent()
648 	del = got;  in xfs_reflink_end_cow_extent()
658 	if (!xfs_bmap_is_written_extent(&got)) {  in xfs_reflink_end_cow_extent()
669 	/* Trim the extent to whatever got unmapped. */  in xfs_reflink_end_cow_extent()
684 	xfs_bmap_del_extent_cow(ip, &icur, &got, &del);  in xfs_reflink_end_cow_extent()
1361 	struct xfs_bmbt_irec		got;  in xfs_reflink_inode_has_shared_extents()  local
1381 	found = xfs_iext_lookup_extent(ip, ifp, 0, &icur, &got);  in xfs_reflink_inode_has_shared_extents()
1383 		if (isnullstartblock(got.br_startblock) ||  in xfs_reflink_inode_has_shared_extents()
1384 		    got.br_state != XFS_EXT_NORM)  in xfs_reflink_inode_has_shared_extents()
1386 		agno = XFS_FSB_TO_AGNO(mp, got.br_startblock);  in xfs_reflink_inode_has_shared_extents()
1387 		agbno = XFS_FSB_TO_AGBNO(mp, got.br_startblock);  in xfs_reflink_inode_has_shared_extents()
1388 		aglen = got.br_blockcount;  in xfs_reflink_inode_has_shared_extents()
1400 		found = xfs_iext_next_extent(ifp, &icur, &got);  in xfs_reflink_inode_has_shared_extents()