141 	int			error;  in xfs_reflink_find_shared()  local
143 	error = xfs_alloc_read_agf(mp, tp, agno, 0, &agbp);  in xfs_reflink_find_shared()
144 	if (error)  in xfs_reflink_find_shared()
145 		return error;  in xfs_reflink_find_shared()
151 	error = xfs_refcount_find_shared(cur, agbno, aglen, fbno, flen,  in xfs_reflink_find_shared()
154 	xfs_btree_del_cursor(cur, error);  in xfs_reflink_find_shared()
157 	return error;  in xfs_reflink_find_shared()
181 	int			error = 0;  in xfs_reflink_trim_around_shared()  local
195 	error = xfs_reflink_find_shared(ip->i_mount, NULL, agno, agbno,  in xfs_reflink_trim_around_shared()
197 	if (error)  in xfs_reflink_trim_around_shared()
198 		return error;  in xfs_reflink_trim_around_shared()
253 	int			error = 0;  in xfs_reflink_convert_cow_locked()  local
271 		error = xfs_bmap_add_extent_unwritten_real(NULL, ip,  in xfs_reflink_convert_cow_locked()
274 		if (error)  in xfs_reflink_convert_cow_locked()
275 			return error;  in xfs_reflink_convert_cow_locked()
278 	return error;  in xfs_reflink_convert_cow_locked()
292 	int			error;  in xfs_reflink_convert_cow()  local
297 	error = xfs_reflink_convert_cow_locked(ip, offset_fsb, count_fsb);  in xfs_reflink_convert_cow()
299 	return error;  in xfs_reflink_convert_cow()
359 	int			nimaps, error = 0;  in xfs_reflink_allocate_cow()  local
370 	error = xfs_find_trim_cow_extent(ip, imap, shared, &found);  in xfs_reflink_allocate_cow()
371 	if (error || !*shared)  in xfs_reflink_allocate_cow()
372 		return error;  in xfs_reflink_allocate_cow()
381 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks, 0, 0, &tp);  in xfs_reflink_allocate_cow()
385 	if (error)  in xfs_reflink_allocate_cow()
386 		return error;  in xfs_reflink_allocate_cow()
388 	error = xfs_qm_dqattach_locked(ip, false);  in xfs_reflink_allocate_cow()
389 	if (error)  in xfs_reflink_allocate_cow()
395 	error = xfs_find_trim_cow_extent(ip, imap, shared, &found);  in xfs_reflink_allocate_cow()
396 	if (error || !*shared)  in xfs_reflink_allocate_cow()
403 	error = xfs_trans_reserve_quota_nblks(tp, ip, resblks, 0,  in xfs_reflink_allocate_cow()
405 	if (error)  in xfs_reflink_allocate_cow()
412 	error = xfs_bmapi_write(tp, ip, imap->br_startoff, imap->br_blockcount,  in xfs_reflink_allocate_cow()
415 	if (error)  in xfs_reflink_allocate_cow()
419 	error = xfs_trans_commit(tp);  in xfs_reflink_allocate_cow()
420 	if (error)  in xfs_reflink_allocate_cow()
421 		return error;  in xfs_reflink_allocate_cow()
446 	return error;  in xfs_reflink_allocate_cow()
469 	int				error = 0;  in xfs_reflink_cancel_cow_blocks()  local
490 			error = xfs_bmap_del_extent_delay(ip, XFS_COW_FORK,  in xfs_reflink_cancel_cow_blocks()
492 			if (error)  in xfs_reflink_cancel_cow_blocks()
505 			error = xfs_defer_finish(tpp);  in xfs_reflink_cancel_cow_blocks()
506 			if (error)  in xfs_reflink_cancel_cow_blocks()
513 			error = xfs_trans_reserve_quota_nblks(NULL, ip,  in xfs_reflink_cancel_cow_blocks()
516 			if (error)  in xfs_reflink_cancel_cow_blocks()
530 	return error;  in xfs_reflink_cancel_cow_blocks()
549 	int			error;  in xfs_reflink_cancel_cow_range()  local
561 	error = xfs_trans_alloc(ip->i_mount, &M_RES(ip->i_mount)->tr_write,  in xfs_reflink_cancel_cow_range()
563 	if (error)  in xfs_reflink_cancel_cow_range()
570 	error = xfs_reflink_cancel_cow_blocks(ip, &tp, offset_fsb, end_fsb,  in xfs_reflink_cancel_cow_range()
572 	if (error)  in xfs_reflink_cancel_cow_range()
575 	error = xfs_trans_commit(tp);  in xfs_reflink_cancel_cow_range()
578 	return error;  in xfs_reflink_cancel_cow_range()
584 	trace_xfs_reflink_cancel_cow_range_error(ip, error, _RET_IP_);  in xfs_reflink_cancel_cow_range()
585 	return error;  in xfs_reflink_cancel_cow_range()
611 	int			error;  in xfs_reflink_end_cow_extent()  local
620 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks, 0,  in xfs_reflink_end_cow_extent()
622 	if (error)  in xfs_reflink_end_cow_extent()
623 		return error;  in xfs_reflink_end_cow_extent()
667 	error = __xfs_bunmapi(tp, ip, del.br_startoff, &rlen, 0, 1);  in xfs_reflink_end_cow_extent()
668 	if (error)  in xfs_reflink_end_cow_extent()
688 	error = xfs_trans_commit(tp);  in xfs_reflink_end_cow_extent()
690 	if (error)  in xfs_reflink_end_cow_extent()
691 		return error;  in xfs_reflink_end_cow_extent()
700 	return error;  in xfs_reflink_end_cow_extent()
714 	int				error = 0;  in xfs_reflink_end_cow()  local
753 	while (end_fsb > offset_fsb && !error)  in xfs_reflink_end_cow()
754 		error = xfs_reflink_end_cow_extent(ip, offset_fsb, &end_fsb);  in xfs_reflink_end_cow()
756 	if (error)  in xfs_reflink_end_cow()
757 		trace_xfs_reflink_end_cow_error(ip, error, _RET_IP_);  in xfs_reflink_end_cow()
758 	return error;  in xfs_reflink_end_cow()
769 	int			error = 0;  in xfs_reflink_recover_cow()  local
775 		error = xfs_refcount_recover_cow_leftovers(mp, agno);  in xfs_reflink_recover_cow()
776 		if (error)  in xfs_reflink_recover_cow()
780 	return error;  in xfs_reflink_recover_cow()
868 	int			error;  in xfs_reflink_set_inode_flag()  local
874 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_ichange, 0, 0, 0, &tp);  in xfs_reflink_set_inode_flag()
875 	if (error)  in xfs_reflink_set_inode_flag()
906 	error = xfs_trans_commit(tp);  in xfs_reflink_set_inode_flag()
907 	if (error)  in xfs_reflink_set_inode_flag()
909 	return error;  in xfs_reflink_set_inode_flag()
912 	trace_xfs_reflink_set_inode_flag_error(dest, error, _RET_IP_);  in xfs_reflink_set_inode_flag()
913 	return error;  in xfs_reflink_set_inode_flag()
928 	int			error;  in xfs_reflink_update_dest()  local
933 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_ichange, 0, 0, 0, &tp);  in xfs_reflink_update_dest()
934 	if (error)  in xfs_reflink_update_dest()
953 	error = xfs_trans_commit(tp);  in xfs_reflink_update_dest()
954 	if (error)  in xfs_reflink_update_dest()
956 	return error;  in xfs_reflink_update_dest()
959 	trace_xfs_reflink_update_inode_size_error(dest, error, _RET_IP_);  in xfs_reflink_update_dest()
960 	return error;  in xfs_reflink_update_dest()
975 	int			error = 0;  in xfs_reflink_ag_has_free_space()  local
983 		error = -ENOSPC;  in xfs_reflink_ag_has_free_space()
985 	return error;  in xfs_reflink_ag_has_free_space()
1008 	int			error;  in xfs_reflink_remap_extent()  local
1015 		error = xfs_reflink_ag_has_free_space(mp,  in xfs_reflink_remap_extent()
1017 		if (error)  in xfs_reflink_remap_extent()
1023 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks, 0, 0, &tp);  in xfs_reflink_remap_extent()
1024 	if (error)  in xfs_reflink_remap_extent()
1032 		error = xfs_trans_reserve_quota_nblks(tp, ip,  in xfs_reflink_remap_extent()
1034 		if (error)  in xfs_reflink_remap_extent()
1045 		error = __xfs_bunmapi(tp, ip, destoff, &rlen, 0, 1);  in xfs_reflink_remap_extent()
1046 		if (error)  in xfs_reflink_remap_extent()
1088 		error = xfs_defer_finish(&tp);  in xfs_reflink_remap_extent()
1089 		if (error)  in xfs_reflink_remap_extent()
1093 	error = xfs_trans_commit(tp);  in xfs_reflink_remap_extent()
1095 	if (error)  in xfs_reflink_remap_extent()
1103 	trace_xfs_reflink_remap_extent_error(ip, error, _RET_IP_);  in xfs_reflink_remap_extent()
1104 	return error;  in xfs_reflink_remap_extent()
1127 	int			error = 0;  in xfs_reflink_remap_blocks()  local
1143 		error = xfs_bmapi_read(src, srcoff, len, &imap, &nimaps, 0);  in xfs_reflink_remap_blocks()
1145 		if (error)  in xfs_reflink_remap_blocks()
1157 		error = xfs_reflink_remap_extent(dest, &imap, destoff,  in xfs_reflink_remap_blocks()
1159 		if (error)  in xfs_reflink_remap_blocks()
1163 			error = -EINTR;  in xfs_reflink_remap_blocks()
1174 	if (error)  in xfs_reflink_remap_blocks()
1175 		trace_xfs_reflink_remap_blocks_error(dest, error, _RET_IP_);  in xfs_reflink_remap_blocks()
1178 	return error;  in xfs_reflink_remap_blocks()
1193 	int			error;  in xfs_iolock_two_inodes_and_break_layout()  local
1200 	error = break_layout(src, true);  in xfs_iolock_two_inodes_and_break_layout()
1201 	if (error)  in xfs_iolock_two_inodes_and_break_layout()
1202 		return error;  in xfs_iolock_two_inodes_and_break_layout()
1204 		error = break_layout(dest, true);  in xfs_iolock_two_inodes_and_break_layout()
1205 		if (error)  in xfs_iolock_two_inodes_and_break_layout()
1206 			return error;  in xfs_iolock_two_inodes_and_break_layout()
1211 	error = break_layout(src, false);  in xfs_iolock_two_inodes_and_break_layout()
1212 	if (error) {  in xfs_iolock_two_inodes_and_break_layout()
1214 		if (error == -EWOULDBLOCK)  in xfs_iolock_two_inodes_and_break_layout()
1216 		return error;  in xfs_iolock_two_inodes_and_break_layout()
1224 	error = break_layout(dest, false);  in xfs_iolock_two_inodes_and_break_layout()
1225 	if (error) {  in xfs_iolock_two_inodes_and_break_layout()
1228 		if (error == -EWOULDBLOCK)  in xfs_iolock_two_inodes_and_break_layout()
1230 		return error;  in xfs_iolock_two_inodes_and_break_layout()
1409 	int			error = 0;  in xfs_reflink_dirty_extents()  local
1417 		error = xfs_bmapi_read(ip, fbno, end - fbno, map, &nmaps, 0);  in xfs_reflink_dirty_extents()
1418 		if (error)  in xfs_reflink_dirty_extents()
1431 			error = xfs_reflink_find_shared(mp, NULL, agno, agbno,  in xfs_reflink_dirty_extents()
1433 			if (error)  in xfs_reflink_dirty_extents()
1445 			error = iomap_file_dirty(VFS_I(ip), fpos, flen,  in xfs_reflink_dirty_extents()
1448 			if (error)  in xfs_reflink_dirty_extents()
1460 	return error;  in xfs_reflink_dirty_extents()
1480 	int				error;  in xfs_reflink_inode_has_shared_extents()  local
1484 		error = xfs_iread_extents(tp, ip, XFS_DATA_FORK);  in xfs_reflink_inode_has_shared_extents()
1485 		if (error)  in xfs_reflink_inode_has_shared_extents()
1486 			return error;  in xfs_reflink_inode_has_shared_extents()
1499 		error = xfs_reflink_find_shared(mp, tp, agno, agbno, aglen,  in xfs_reflink_inode_has_shared_extents()
1501 		if (error)  in xfs_reflink_inode_has_shared_extents()
1502 			return error;  in xfs_reflink_inode_has_shared_extents()
1527 	int			error = 0;  in xfs_reflink_clear_inode_flag()  local
1531 	error = xfs_reflink_inode_has_shared_extents(*tpp, ip, &needs_flag);  in xfs_reflink_clear_inode_flag()
1532 	if (error || needs_flag)  in xfs_reflink_clear_inode_flag()
1533 		return error;  in xfs_reflink_clear_inode_flag()
1539 	error = xfs_reflink_cancel_cow_blocks(ip, tpp, 0, NULLFILEOFF, true);  in xfs_reflink_clear_inode_flag()
1540 	if (error)  in xfs_reflink_clear_inode_flag()
1541 		return error;  in xfs_reflink_clear_inode_flag()
1549 	return error;  in xfs_reflink_clear_inode_flag()
1562 	int			error = 0;  in xfs_reflink_try_clear_inode_flag()  local
1565 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, 0, 0, 0, &tp);  in xfs_reflink_try_clear_inode_flag()
1566 	if (error)  in xfs_reflink_try_clear_inode_flag()
1567 		return error;  in xfs_reflink_try_clear_inode_flag()
1572 	error = xfs_reflink_clear_inode_flag(ip, &tp);  in xfs_reflink_try_clear_inode_flag()
1573 	if (error)  in xfs_reflink_try_clear_inode_flag()
1576 	error = xfs_trans_commit(tp);  in xfs_reflink_try_clear_inode_flag()
1577 	if (error)  in xfs_reflink_try_clear_inode_flag()
1586 	return error;  in xfs_reflink_try_clear_inode_flag()
1603 	int			error;  in xfs_reflink_unshare()  local
1617 	error = xfs_reflink_dirty_extents(ip, fbno, end, isize);  in xfs_reflink_unshare()
1618 	if (error)  in xfs_reflink_unshare()
1623 	error = filemap_write_and_wait(VFS_I(ip)->i_mapping);  in xfs_reflink_unshare()
1624 	if (error)  in xfs_reflink_unshare()
1628 	error = xfs_reflink_try_clear_inode_flag(ip);  in xfs_reflink_unshare()
1629 	if (error)  in xfs_reflink_unshare()
1637 	trace_xfs_reflink_unshare_error(ip, error, _RET_IP_);  in xfs_reflink_unshare()
1638 	return error;  in xfs_reflink_unshare()