282 	struct xfs_bmbt_irec	*imap,  in xfs_bmap_trim_cow()  argument
287 	    !isnullstartblock(imap->br_startblock)) {  in xfs_bmap_trim_cow()
293 	return xfs_reflink_trim_around_shared(ip, imap, shared);  in xfs_bmap_trim_cow()
363 	struct xfs_bmbt_irec	*imap,  in xfs_find_trim_cow_extent()  argument
368 	xfs_fileoff_t		offset_fsb = imap->br_startoff;  in xfs_find_trim_cow_extent()
369 	xfs_filblks_t		count_fsb = imap->br_blockcount;  in xfs_find_trim_cow_extent()
381 		xfs_trim_extent(imap, imap->br_startoff,  in xfs_find_trim_cow_extent()
382 				cmap->br_startoff - imap->br_startoff);  in xfs_find_trim_cow_extent()
383 		return xfs_bmap_trim_cow(ip, imap, shared);  in xfs_find_trim_cow_extent()
388 		xfs_trim_extent(imap, cmap->br_startoff, cmap->br_blockcount);  in xfs_find_trim_cow_extent()
401 	struct xfs_bmbt_irec	*imap,  in xfs_reflink_convert_unwritten()  argument
405 	xfs_fileoff_t		offset_fsb = imap->br_startoff;  in xfs_reflink_convert_unwritten()
406 	xfs_filblks_t		count_fsb = imap->br_blockcount;  in xfs_reflink_convert_unwritten()
434 	struct xfs_bmbt_irec	*imap,  in xfs_reflink_fill_cow_hole()  argument
448 	resaligned = xfs_aligned_fsb_count(imap->br_startoff,  in xfs_reflink_fill_cow_hole()
449 		imap->br_blockcount, xfs_get_cowextsz_hint(ip));  in xfs_reflink_fill_cow_hole()
468 	error = xfs_find_trim_cow_extent(ip, imap, cmap, shared, &found);  in xfs_reflink_fill_cow_hole()
479 	error = xfs_bmapi_write(tp, ip, imap->br_startoff, imap->br_blockcount,  in xfs_reflink_fill_cow_hole()
491 	return xfs_reflink_convert_unwritten(ip, imap, cmap, convert_now);  in xfs_reflink_fill_cow_hole()
501 	struct xfs_bmbt_irec	*imap,  in xfs_reflink_fill_delalloc()  argument
524 		error = xfs_find_trim_cow_extent(ip, imap, cmap, shared,  in xfs_reflink_fill_delalloc()
552 	} while (cmap->br_startoff + cmap->br_blockcount <= imap->br_startoff);  in xfs_reflink_fill_delalloc()
554 	return xfs_reflink_convert_unwritten(ip, imap, cmap, convert_now);  in xfs_reflink_fill_delalloc()
565 	struct xfs_bmbt_irec	*imap,  in xfs_reflink_allocate_cow()  argument
580 	error = xfs_find_trim_cow_extent(ip, imap, cmap, shared, &found);  in xfs_reflink_allocate_cow()
586 		return xfs_reflink_convert_unwritten(ip, imap, cmap,  in xfs_reflink_allocate_cow()
593 	if (cmap->br_startoff > imap->br_startoff)  in xfs_reflink_allocate_cow()
594 		return xfs_reflink_fill_cow_hole(ip, imap, cmap, shared,  in xfs_reflink_allocate_cow()
603 		return xfs_reflink_fill_delalloc(ip, imap, cmap, shared,  in xfs_reflink_allocate_cow()
1457 	struct xfs_bmbt_irec	imap;  in xfs_reflink_remap_blocks()  local
1478 		error = xfs_bmapi_read(src, srcoff, len, &imap, &nimaps, 0);  in xfs_reflink_remap_blocks()
1489 		ASSERT(nimaps == 1 && imap.br_startoff == srcoff);  in xfs_reflink_remap_blocks()
1490 		if (imap.br_startblock == DELAYSTARTBLOCK) {  in xfs_reflink_remap_blocks()
1491 			ASSERT(imap.br_startblock != DELAYSTARTBLOCK);  in xfs_reflink_remap_blocks()
1497 		trace_xfs_reflink_remap_extent_src(src, &imap);  in xfs_reflink_remap_blocks()
1500 		imap.br_startoff = destoff;  in xfs_reflink_remap_blocks()
1501 		error = xfs_reflink_remap_extent(dest, &imap, new_isize);  in xfs_reflink_remap_blocks()
1511 		srcoff += imap.br_blockcount;  in xfs_reflink_remap_blocks()
1512 		destoff += imap.br_blockcount;  in xfs_reflink_remap_blocks()
1513 		len -= imap.br_blockcount;  in xfs_reflink_remap_blocks()
1514 		remapped_len += imap.br_blockcount;  in xfs_reflink_remap_blocks()