fs/xfs/xfs_reflink.c

192 	aglen = irec->br_blockcount;
213 		irec->br_blockcount = flen;
224 	irec->br_blockcount = fbno - agbno;
269 		if (!got.br_blockcount)
318 	xfs_filblks_t		count_fsb = imap->br_blockcount;
337 		xfs_trim_extent(imap, cmap->br_startoff, cmap->br_blockcount);
355 	xfs_filblks_t		count_fsb = imap->br_blockcount;
398 		imap->br_blockcount, xfs_get_cowextsz_hint(ip));
422 	error = xfs_bmapi_write(tp, ip, imap->br_startoff, imap->br_blockcount,
492 				cmap->br_blockcount,
509 	} while (cmap->br_startoff + cmap->br_blockcount <= imap->br_startoff);
596 	while (got.br_startoff + got.br_blockcount > offset_fsb) {
601 		if (!del.br_blockcount) {
618 					del.br_blockcount);
621 					del.br_blockcount, NULL,
636 					del.br_blockcount);
792 	error = xfs_bmapi_read(ip, del.br_startoff, del.br_blockcount, &data,
798 	data.br_blockcount = min(data.br_blockcount, del.br_blockcount);
799 	del.br_blockcount = data.br_blockcount;
812 				-data.br_blockcount);
823 				data.br_blockcount, 0, 1, &done);
830 	xfs_refcount_free_cow_extent(tp, del.br_startblock, del.br_blockcount);
837 			(long)del.br_blockcount);
848 	*offset_fsb = del.br_startoff + del.br_blockcount;
1194 			resblks + dmap->br_blockcount, 0, false, &tp);
1209 	error = xfs_bmapi_read(ip, dmap->br_startoff, dmap->br_blockcount,
1220 	dmap->br_blockcount = min(dmap->br_blockcount, smap.br_blockcount);
1221 	ASSERT(dmap->br_blockcount == smap.br_blockcount);
1275 				dmap->br_blockcount, 0, false);
1299 		qdelta -= smap.br_blockcount;
1310 				smap.br_blockcount, 0, 1, &done);
1323 		qdelta += dmap->br_blockcount;
1329 	newlen = XFS_FSB_TO_B(mp, dmap->br_startoff + dmap->br_blockcount);
1416 		srcoff += imap.br_blockcount;
1417 		destoff += imap.br_blockcount;
1418 		len -= imap.br_blockcount;
1419 		remapped_len += imap.br_blockcount;
1592 		aglen = got.br_blockcount;