775 	struct xfs_bmbt_irec	imap, cmap;  in xfs_direct_write_iomap_begin()  local
832 		error = xfs_reflink_allocate_cow(ip, &imap, &cmap, &shared,  in xfs_direct_write_iomap_begin()
909 	length = XFS_FSB_TO_B(mp, cmap.br_startoff + cmap.br_blockcount);  in xfs_direct_write_iomap_begin()
910 	trace_xfs_iomap_found(ip, offset, length - offset, XFS_COW_FORK, &cmap);  in xfs_direct_write_iomap_begin()
919 	return xfs_bmbt_to_iomap(ip, iomap, &cmap, flags, IOMAP_F_SHARED, seq);  in xfs_direct_write_iomap_begin()
971 	struct xfs_bmbt_irec	imap, cmap;  in xfs_buffered_write_iomap_begin()  local
1059 				&ccur, &cmap);  in xfs_buffered_write_iomap_begin()
1060 		if (!cow_eof && cmap.br_startoff <= offset_fsb) {  in xfs_buffered_write_iomap_begin()
1061 			trace_xfs_reflink_cow_found(ip, &cmap);  in xfs_buffered_write_iomap_begin()
1156 				end_fsb - offset_fsb, prealloc_blocks, &cmap,  in xfs_buffered_write_iomap_begin()
1161 		trace_xfs_iomap_alloc(ip, offset, count, allocfork, &cmap);  in xfs_buffered_write_iomap_begin()
1195 		xfs_trim_extent(&cmap, offset_fsb,  in xfs_buffered_write_iomap_begin()
1202 	return xfs_bmbt_to_iomap(ip, iomap, &cmap, flags, iomap_flags, seq);  in xfs_buffered_write_iomap_begin()
1332 	struct xfs_bmbt_irec	imap, cmap;  in xfs_seek_iomap_begin()  local
1364 	    xfs_iext_lookup_extent(ip, ip->i_cowfp, offset_fsb, &icur, &cmap))  in xfs_seek_iomap_begin()
1365 		cow_fsb = cmap.br_startoff;  in xfs_seek_iomap_begin()
1367 		if (data_fsb < cow_fsb + cmap.br_blockcount)  in xfs_seek_iomap_begin()
1369 		xfs_trim_extent(&cmap, offset_fsb, end_fsb - offset_fsb);  in xfs_seek_iomap_begin()
1371 		error = xfs_bmbt_to_iomap(ip, iomap, &cmap, flags,  in xfs_seek_iomap_begin()