313 	struct xfs_bmbt_irec	*cmap,  in xfs_find_trim_cow_extent()  argument
327 	if (!xfs_iext_lookup_extent(ip, ip->i_cowfp, offset_fsb, &icur, cmap))  in xfs_find_trim_cow_extent()
328 		cmap->br_startoff = offset_fsb + count_fsb;  in xfs_find_trim_cow_extent()
329 	if (cmap->br_startoff > offset_fsb) {  in xfs_find_trim_cow_extent()
331 				cmap->br_startoff - imap->br_startoff);  in xfs_find_trim_cow_extent()
336 	if (isnullstartblock(cmap->br_startblock)) {  in xfs_find_trim_cow_extent()
337 		xfs_trim_extent(imap, cmap->br_startoff, cmap->br_blockcount);  in xfs_find_trim_cow_extent()
342 	xfs_trim_extent(cmap, offset_fsb, count_fsb);  in xfs_find_trim_cow_extent()
351 	struct xfs_bmbt_irec	*cmap,  in xfs_reflink_convert_unwritten()  argument
361 	xfs_trim_extent(cmap, offset_fsb, count_fsb);  in xfs_reflink_convert_unwritten()
368 	if (!convert_now || cmap->br_state == XFS_EXT_NORM)  in xfs_reflink_convert_unwritten()
371 	trace_xfs_reflink_convert_cow(ip, cmap);  in xfs_reflink_convert_unwritten()
375 		cmap->br_state = XFS_EXT_NORM;  in xfs_reflink_convert_unwritten()
384 	struct xfs_bmbt_irec	*cmap,  in xfs_reflink_fill_cow_hole()  argument
411 	error = xfs_find_trim_cow_extent(ip, imap, cmap, shared, &found);  in xfs_reflink_fill_cow_hole()
423 			XFS_BMAPI_COWFORK | XFS_BMAPI_PREALLOC, 0, cmap,  in xfs_reflink_fill_cow_hole()
434 	return xfs_reflink_convert_unwritten(ip, imap, cmap, convert_now);  in xfs_reflink_fill_cow_hole()
445 	struct xfs_bmbt_irec	*cmap,  in xfs_reflink_fill_delalloc()  argument
467 		error = xfs_find_trim_cow_extent(ip, imap, cmap, shared,  in xfs_reflink_fill_delalloc()
477 		ASSERT(isnullstartblock(cmap->br_startblock) ||  in xfs_reflink_fill_delalloc()
478 		       cmap->br_startblock == DELAYSTARTBLOCK);  in xfs_reflink_fill_delalloc()
484 		error = xfs_bmapi_write(tp, ip, cmap->br_startoff,  in xfs_reflink_fill_delalloc()
485 				cmap->br_blockcount,  in xfs_reflink_fill_delalloc()
487 				cmap, &nimaps);  in xfs_reflink_fill_delalloc()
495 	} while (cmap->br_startoff + cmap->br_blockcount <= imap->br_startoff);  in xfs_reflink_fill_delalloc()
497 	return xfs_reflink_convert_unwritten(ip, imap, cmap, convert_now);  in xfs_reflink_fill_delalloc()
509 	struct xfs_bmbt_irec	*cmap,  in xfs_reflink_allocate_cow()  argument
523 	error = xfs_find_trim_cow_extent(ip, imap, cmap, shared, &found);  in xfs_reflink_allocate_cow()
529 		return xfs_reflink_convert_unwritten(ip, imap, cmap,  in xfs_reflink_allocate_cow()
536 	if (cmap->br_startoff > imap->br_startoff)  in xfs_reflink_allocate_cow()
537 		return xfs_reflink_fill_cow_hole(ip, imap, cmap, shared,  in xfs_reflink_allocate_cow()
544 	if (isnullstartblock(cmap->br_startblock) ||  in xfs_reflink_allocate_cow()
545 	    cmap->br_startblock == DELAYSTARTBLOCK)  in xfs_reflink_allocate_cow()
546 		return xfs_reflink_fill_delalloc(ip, imap, cmap, shared,  in xfs_reflink_allocate_cow()