xfs/libxfs/xfs_refcount.c

216 	int				error;
218 	error = xfs_btree_get_rec(cur, &rec, stat);
219 	if (error || !*stat)
220 		return error;
234  * This either works (return 0) or gets an EFSCORRUPTED error.
243 	int			error;
253 	error = xfs_btree_update(cur, &rec);
254 	if (error)
255 		trace_xfs_refcount_update_error(cur, error, _RET_IP_);
256 	return error;
262  * This either works (return 0) or gets an EFSCORRUPTED error.
270 	int				error;
279 	error = xfs_btree_insert(cur, i);
280 	if (error)
284 		error = -EFSCORRUPTED;
289 	if (error)
290 		trace_xfs_refcount_insert_error(cur, error, _RET_IP_);
291 	return error;
298  * This either works (return 0) or gets an EFSCORRUPTED error.
307 	int			error;
309 	error = xfs_refcount_get_rec(cur, &irec, &found_rec);
310 	if (error)
314 		error = -EFSCORRUPTED;
318 	error = xfs_btree_delete(cur, i);
321 		error = -EFSCORRUPTED;
324 	if (error)
326 	error = xfs_refcount_lookup_ge(cur, irec.rc_domain, irec.rc_startblock,
329 	if (error)
330 		trace_xfs_refcount_delete_error(cur, error, _RET_IP_);
331 	return error;
431 	int				error;
434 	error = xfs_refcount_lookup_le(cur, domain, agbno, &found_rec);
435 	if (error)
440 	error = xfs_refcount_get_rec(cur, &rcext, &found_rec);
441 	if (error)
445 		error = -EFSCORRUPTED;
460 	error = xfs_refcount_update(cur, &tmp);
461 	if (error)
467 	error = xfs_refcount_insert(cur, &tmp, &found_rec);
468 	if (error)
472 		error = -EFSCORRUPTED;
475 	return error;
478 	trace_xfs_refcount_split_extent_error(cur, error, _RET_IP_);
479 	return error;
494 	int				error;
510 	error = xfs_refcount_lookup_ge(cur, center->rc_domain,
512 	if (error)
516 		error = -EFSCORRUPTED;
520 	error = xfs_refcount_delete(cur, &found_rec);
521 	if (error)
525 		error = -EFSCORRUPTED;
530 		error = xfs_refcount_delete(cur, &found_rec);
531 		if (error)
535 			error = -EFSCORRUPTED;
541 	error = xfs_refcount_lookup_le(cur, left->rc_domain,
543 	if (error)
547 		error = -EFSCORRUPTED;
552 	error = xfs_refcount_update(cur, left);
553 	if (error)
557 	return error;
560 	trace_xfs_refcount_merge_center_extents_error(cur, error, _RET_IP_);
561 	return error;
575 	int				error;
584 		error = xfs_refcount_lookup_le(cur, cleft->rc_domain,
586 		if (error)
590 			error = -EFSCORRUPTED;
594 		error = xfs_refcount_delete(cur, &found_rec);
595 		if (error)
599 			error = -EFSCORRUPTED;
605 	error = xfs_refcount_lookup_le(cur, left->rc_domain,
607 	if (error)
611 		error = -EFSCORRUPTED;
616 	error = xfs_refcount_update(cur, left);
617 	if (error)
622 	return error;
625 	trace_xfs_refcount_merge_left_extent_error(cur, error, _RET_IP_);
626 	return error;
639 	int				error;
651 		error = xfs_refcount_lookup_le(cur, cright->rc_domain,
653 		if (error)
657 			error = -EFSCORRUPTED;
661 		error = xfs_refcount_delete(cur, &found_rec);
662 		if (error)
666 			error = -EFSCORRUPTED;
672 	error = xfs_refcount_lookup_le(cur, right->rc_domain,
674 	if (error)
678 		error = -EFSCORRUPTED;
684 	error = xfs_refcount_update(cur, right);
685 	if (error)
689 	return error;
692 	trace_xfs_refcount_merge_right_extent_error(cur, error, _RET_IP_);
693 	return error;
710 	int				error;
714 	error = xfs_refcount_lookup_le(cur, domain, agbno - 1, &found_rec);
715 	if (error)
720 	error = xfs_refcount_get_rec(cur, &tmp, &found_rec);
721 	if (error)
725 		error = -EFSCORRUPTED;
736 	error = xfs_btree_increment(cur, 0, &found_rec);
737 	if (error)
740 		error = xfs_refcount_get_rec(cur, &tmp, &found_rec);
741 		if (error)
745 			error = -EFSCORRUPTED;
782 	return error;
785 	trace_xfs_refcount_find_left_extent_error(cur, error, _RET_IP_);
786 	return error;
803 	int				error;
807 	error = xfs_refcount_lookup_ge(cur, domain, agbno + aglen, &found_rec);
808 	if (error)
813 	error = xfs_refcount_get_rec(cur, &tmp, &found_rec);
814 	if (error)
818 		error = -EFSCORRUPTED;
829 	error = xfs_btree_decrement(cur, 0, &found_rec);
830 	if (error)
833 		error = xfs_refcount_get_rec(cur, &tmp, &found_rec);
834 		if (error)
838 			error = -EFSCORRUPTED;
876 	return error;
879 	trace_xfs_refcount_find_right_extent_error(cur, error, _RET_IP_);
880 	return error;
1030 	int				error;
1040 	error = xfs_refcount_find_left_extents(cur, &left, &cleft, domain,
1042 	if (error)
1043 		return error;
1044 	error = xfs_refcount_find_right_extents(cur, &right, &cright, domain,
1046 	if (error)
1047 		return error;
1067 		error = xfs_refcount_merge_left_extent(cur, &left, &cleft,
1069 		if (error)
1070 			return error;
1113 	 * refcount continue update "error" has been injected.
1158 	int				error;
1165 	error = xfs_refcount_lookup_ge(cur, XFS_REFC_DOMAIN_SHARED, *agbno,
1167 	if (error)
1171 		error = xfs_refcount_get_rec(cur, &ext, &found_rec);
1172 		if (error)
1201 				error = xfs_refcount_insert(cur, &tmp,
1203 				if (error)
1208 					error = -EFSCORRUPTED;
1212 				error = xrefc_free_extent(cur, &tmp);
1213 				if (error)
1225 			error = xfs_refcount_lookup_ge(cur,
1228 			if (error)
1242 			error = -EFSCORRUPTED;
1256 			error = xfs_refcount_update(cur, &ext);
1257 			if (error)
1260 			error = xfs_refcount_delete(cur, &found_rec);
1261 			if (error)
1265 				error = -EFSCORRUPTED;
1270 			error = xrefc_free_extent(cur, &ext);
1271 			if (error)
1276 		error = xfs_btree_increment(cur, 0, &found_rec);
1277 		if (error)
1285 	return error;
1287 	trace_xfs_refcount_modify_extent_error(cur, error, _RET_IP_);
1288 	return error;
1301 	int			error;
1311 	error = xfs_refcount_split_extent(cur, XFS_REFC_DOMAIN_SHARED,
1313 	if (error)
1318 	error = xfs_refcount_split_extent(cur, XFS_REFC_DOMAIN_SHARED,
1320 	if (error)
1328 	error = xfs_refcount_merge_extents(cur, XFS_REFC_DOMAIN_SHARED,
1330 	if (error)
1338 	error = xfs_refcount_adjust_extents(cur, agbno, aglen, adj);
1339 	if (error)
1345 	trace_xfs_refcount_adjust_error(cur, error, _RET_IP_);
1346 	return error;
1392 	int				error = 0;
1418 		error = xfs_alloc_read_agf(pag, tp,
1420 		if (error)
1421 			return error;
1430 		error = xfs_refcount_adjust(rcur, &bno, &ri->ri_blockcount,
1432 		if (error)
1433 			return error;
1435 			error = xfs_refcount_continue_op(rcur, ri, bno);
1438 		error = xfs_refcount_adjust(rcur, &bno, &ri->ri_blockcount,
1440 		if (error)
1441 			return error;
1443 			error = xfs_refcount_continue_op(rcur, ri, bno);
1446 		error = __xfs_refcount_cow_alloc(rcur, bno, ri->ri_blockcount);
1447 		if (error)
1448 			return error;
1452 		error = __xfs_refcount_cow_free(rcur, bno, ri->ri_blockcount);
1453 		if (error)
1454 			return error;
1461 	if (!error && ri->ri_blockcount > 0)
1463 	return error;
1505 	int				error = 0;
1539 		error = xfs_refcount_adjust(rcur, &bno, &ri->ri_blockcount,
1541 		if (error)
1542 			return error;
1544 			error = xfs_rtrefcount_continue_op(rcur, ri, bno);
1547 		error = xfs_refcount_adjust(rcur, &bno, &ri->ri_blockcount,
1549 		if (error)
1550 			return error;
1552 			error = xfs_rtrefcount_continue_op(rcur, ri, bno);
1555 		error = __xfs_refcount_cow_alloc(rcur, bno, ri->ri_blockcount);
1556 		if (error)
1557 			return error;
1561 		error = __xfs_refcount_cow_free(rcur, bno, ri->ri_blockcount);
1562 		if (error)
1563 			return error;
1570 	if (!error && ri->ri_blockcount > 0)
1572 	return error;
1651 	int				error;
1660 	error = xfs_refcount_lookup_le(cur, XFS_REFC_DOMAIN_SHARED, agbno,
1662 	if (error)
1666 		error = xfs_btree_increment(cur, 0, &have);
1667 		if (error)
1672 	error = xfs_refcount_get_rec(cur, &tmp, &i);
1673 	if (error)
1677 		error = -EFSCORRUPTED;
1685 		error = xfs_btree_increment(cur, 0, &have);
1686 		if (error)
1690 		error = xfs_refcount_get_rec(cur, &tmp, &i);
1691 		if (error)
1695 			error = -EFSCORRUPTED;
1719 		error = xfs_btree_increment(cur, 0, &have);
1720 		if (error)
1724 		error = xfs_refcount_get_rec(cur, &tmp, &i);
1725 		if (error)
1729 			error = -EFSCORRUPTED;
1743 	if (error)
1744 		trace_xfs_refcount_find_shared_error(cur, error, _RET_IP_);
1745 	return error;
1808 	int				error;
1815 	error = xfs_refcount_lookup_ge(cur, XFS_REFC_DOMAIN_COW, agbno,
1817 	if (error)
1819 	error = xfs_refcount_get_rec(cur, &ext, &found_rec);
1820 	if (error)
1825 		error = -EFSCORRUPTED;
1841 			error = -EFSCORRUPTED;
1852 		error = xfs_refcount_insert(cur, &tmp,
1854 		if (error)
1858 			error = -EFSCORRUPTED;
1866 			error = -EFSCORRUPTED;
1871 			error = -EFSCORRUPTED;
1876 			error = -EFSCORRUPTED;
1882 		error = xfs_refcount_delete(cur, &found_rec);
1883 		if (error)
1887 			error = -EFSCORRUPTED;
1895 	return error;
1897 	trace_xfs_refcount_modify_extent_error(cur, error, _RET_IP_);
1898 	return error;
1912 	int			error;
1917 	error = xfs_refcount_split_extent(cur, XFS_REFC_DOMAIN_COW,
1919 	if (error)
1922 	error = xfs_refcount_split_extent(cur, XFS_REFC_DOMAIN_COW,
1924 	if (error)
1930 	error = xfs_refcount_merge_extents(cur, XFS_REFC_DOMAIN_COW, &agbno,
1932 	if (error)
1936 	error = xfs_refcount_adjust_cow_extents(cur, agbno, aglen, adj);
1937 	if (error)
1943 	trace_xfs_refcount_adjust_cow_error(cur, error, _RET_IP_);
1944 	return error;
2074 	int				error;
2108 		error = xfs_alloc_read_agf(to_perag(xg), tp, 0, &agbp);
2109 		if (error)
2115 	error = xfs_btree_query_range(cur, &low, &high,
2117 	xfs_btree_del_cursor(cur, error);
2123 	if (error)
2129 		error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, 0, 0, 0, &tp);
2130 		if (error)
2139 		error = xfs_free_extent_later(tp, fsb,
2143 		if (error)
2146 		error = xfs_trans_commit(tp);
2147 		if (error)
2154 	return error;
2163 	return error;