737 	struct xfs_bmbt_irec	imap, cmap;  in xfs_direct_write_iomap_begin()  local
773 		error = xfs_reflink_allocate_cow(ip, &imap, &cmap, &shared,  in xfs_direct_write_iomap_begin()
835 	length = XFS_FSB_TO_B(mp, cmap.br_startoff + cmap.br_blockcount);  in xfs_direct_write_iomap_begin()
836 	trace_xfs_iomap_found(ip, offset, length - offset, XFS_COW_FORK, &cmap);  in xfs_direct_write_iomap_begin()
842 	return xfs_bmbt_to_iomap(ip, iomap, &cmap, IOMAP_F_SHARED);  in xfs_direct_write_iomap_begin()
866 	struct xfs_bmbt_irec	imap, cmap;  in xfs_buffered_write_iomap_begin()  local
929 				&ccur, &cmap);  in xfs_buffered_write_iomap_begin()
930 		if (!cow_eof && cmap.br_startoff <= offset_fsb) {  in xfs_buffered_write_iomap_begin()
931 			trace_xfs_reflink_cow_found(ip, &cmap);  in xfs_buffered_write_iomap_begin()
1023 			allocfork == XFS_DATA_FORK ? &imap : &cmap,  in xfs_buffered_write_iomap_begin()
1043 		trace_xfs_iomap_alloc(ip, offset, count, allocfork, &cmap);  in xfs_buffered_write_iomap_begin()
1065 		return xfs_bmbt_to_iomap(ip, iomap, &cmap, IOMAP_F_SHARED);  in xfs_buffered_write_iomap_begin()
1068 	xfs_trim_extent(&cmap, offset_fsb, imap.br_startoff - offset_fsb);  in xfs_buffered_write_iomap_begin()
1069 	return xfs_bmbt_to_iomap(ip, iomap, &cmap, 0);  in xfs_buffered_write_iomap_begin()
1200 	struct xfs_bmbt_irec	imap, cmap;  in xfs_seek_iomap_begin()  local
1233 	    xfs_iext_lookup_extent(ip, ip->i_cowfp, offset_fsb, &icur, &cmap))  in xfs_seek_iomap_begin()
1234 		cow_fsb = cmap.br_startoff;  in xfs_seek_iomap_begin()
1236 		if (data_fsb < cow_fsb + cmap.br_blockcount)  in xfs_seek_iomap_begin()
1238 		xfs_trim_extent(&cmap, offset_fsb, end_fsb);  in xfs_seek_iomap_begin()
1239 		error = xfs_bmbt_to_iomap(ip, iomap, &cmap, IOMAP_F_SHARED);  in xfs_seek_iomap_begin()