152 	int			error;  in xfs_reflink_find_shared()  local
154 	error = xfs_alloc_read_agf(mp, tp, agno, 0, &agbp);  in xfs_reflink_find_shared()
155 	if (error)  in xfs_reflink_find_shared()
156 		return error;  in xfs_reflink_find_shared()
162 	error = xfs_refcount_find_shared(cur, agbno, aglen, fbno, flen,  in xfs_reflink_find_shared()
165 	xfs_btree_del_cursor(cur, error);  in xfs_reflink_find_shared()
168 	return error;  in xfs_reflink_find_shared()
193 	int			error = 0;  in xfs_reflink_trim_around_shared()  local
207 	error = xfs_reflink_find_shared(ip->i_mount, NULL, agno, agbno,  in xfs_reflink_trim_around_shared()
209 	if (error)  in xfs_reflink_trim_around_shared()
210 		return error;  in xfs_reflink_trim_around_shared()
258 	int			error = 0;  in xfs_reflink_reserve_cow()  local
282 	error = xfs_reflink_trim_around_shared(ip, imap, shared, &trimmed);  in xfs_reflink_reserve_cow()
283 	if (error)  in xfs_reflink_reserve_cow()
284 		return error;  in xfs_reflink_reserve_cow()
294 	error = xfs_qm_dqattach_locked(ip, false);  in xfs_reflink_reserve_cow()
295 	if (error)  in xfs_reflink_reserve_cow()
296 		return error;  in xfs_reflink_reserve_cow()
298 	error = xfs_bmapi_reserve_delalloc(ip, XFS_COW_FORK, imap->br_startoff,  in xfs_reflink_reserve_cow()
300 	if (error == -ENOSPC || error == -EDQUOT)  in xfs_reflink_reserve_cow()
302 	if (error)  in xfs_reflink_reserve_cow()
303 		return error;  in xfs_reflink_reserve_cow()
344 	int			nimaps = 1, error = 0;  in xfs_reflink_convert_cow()  local
349 	error = xfs_bmapi_write(NULL, ip, offset_fsb, count_fsb,  in xfs_reflink_convert_cow()
353 	return error;  in xfs_reflink_convert_cow()
409 	int			nimaps, error = 0;  in xfs_reflink_allocate_cow()  local
417 	error = xfs_find_trim_cow_extent(ip, imap, shared, &found);  in xfs_reflink_allocate_cow()
418 	if (error || !*shared)  in xfs_reflink_allocate_cow()
419 		return error;  in xfs_reflink_allocate_cow()
428 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks, 0, 0, &tp);  in xfs_reflink_allocate_cow()
432 	if (error)  in xfs_reflink_allocate_cow()
433 		return error;  in xfs_reflink_allocate_cow()
435 	error = xfs_qm_dqattach_locked(ip, false);  in xfs_reflink_allocate_cow()
436 	if (error)  in xfs_reflink_allocate_cow()
442 	error = xfs_find_trim_cow_extent(ip, imap, shared, &found);  in xfs_reflink_allocate_cow()
443 	if (error || !*shared)  in xfs_reflink_allocate_cow()
450 	error = xfs_trans_reserve_quota_nblks(tp, ip, resblks, 0,  in xfs_reflink_allocate_cow()
452 	if (error)  in xfs_reflink_allocate_cow()
459 	error = xfs_bmapi_write(tp, ip, imap->br_startoff, imap->br_blockcount,  in xfs_reflink_allocate_cow()
462 	if (error)  in xfs_reflink_allocate_cow()
466 	error = xfs_trans_commit(tp);  in xfs_reflink_allocate_cow()
467 	if (error)  in xfs_reflink_allocate_cow()
468 		return error;  in xfs_reflink_allocate_cow()
484 	return error;  in xfs_reflink_allocate_cow()
507 	int				error = 0;  in xfs_reflink_cancel_cow_blocks()  local
528 			error = xfs_bmap_del_extent_delay(ip, XFS_COW_FORK,  in xfs_reflink_cancel_cow_blocks()
530 			if (error)  in xfs_reflink_cancel_cow_blocks()
536 			error = xfs_refcount_free_cow_extent(*tpp,  in xfs_reflink_cancel_cow_blocks()
538 			if (error)  in xfs_reflink_cancel_cow_blocks()
545 			error = xfs_defer_finish(tpp);  in xfs_reflink_cancel_cow_blocks()
546 			if (error)  in xfs_reflink_cancel_cow_blocks()
553 			error = xfs_trans_reserve_quota_nblks(NULL, ip,  in xfs_reflink_cancel_cow_blocks()
556 			if (error)  in xfs_reflink_cancel_cow_blocks()
570 	return error;  in xfs_reflink_cancel_cow_blocks()
589 	int			error;  in xfs_reflink_cancel_cow_range()  local
601 	error = xfs_trans_alloc(ip->i_mount, &M_RES(ip->i_mount)->tr_write,  in xfs_reflink_cancel_cow_range()
603 	if (error)  in xfs_reflink_cancel_cow_range()
610 	error = xfs_reflink_cancel_cow_blocks(ip, &tp, offset_fsb, end_fsb,  in xfs_reflink_cancel_cow_range()
612 	if (error)  in xfs_reflink_cancel_cow_range()
615 	error = xfs_trans_commit(tp);  in xfs_reflink_cancel_cow_range()
618 	return error;  in xfs_reflink_cancel_cow_range()
624 	trace_xfs_reflink_cancel_cow_range_error(ip, error, _RET_IP_);  in xfs_reflink_cancel_cow_range()
625 	return error;  in xfs_reflink_cancel_cow_range()
642 	int				error;  in xfs_reflink_end_cow()  local
664 		error = -EFSCORRUPTED;  in xfs_reflink_end_cow()
672 	error = xfs_trans_alloc(ip->i_mount, &M_RES(ip->i_mount)->tr_write,  in xfs_reflink_end_cow()
674 	if (error)  in xfs_reflink_end_cow()
708 		error = __xfs_bunmapi(tp, ip, del.br_startoff, &rlen, 0, 1);  in xfs_reflink_end_cow()
709 		if (error)  in xfs_reflink_end_cow()
720 		error = xfs_refcount_free_cow_extent(tp, del.br_startblock,  in xfs_reflink_end_cow()
722 		if (error)  in xfs_reflink_end_cow()
726 		error = xfs_bmap_map_extent(tp, ip, &del);  in xfs_reflink_end_cow()
727 		if (error)  in xfs_reflink_end_cow()
737 		error = xfs_defer_finish(&tp);  in xfs_reflink_end_cow()
738 		if (error)  in xfs_reflink_end_cow()
748 	error = xfs_trans_commit(tp);  in xfs_reflink_end_cow()
750 	if (error)  in xfs_reflink_end_cow()
758 	trace_xfs_reflink_end_cow_error(ip, error, _RET_IP_);  in xfs_reflink_end_cow()
759 	return error;  in xfs_reflink_end_cow()
770 	int			error = 0;  in xfs_reflink_recover_cow()  local
776 		error = xfs_refcount_recover_cow_leftovers(mp, agno);  in xfs_reflink_recover_cow()
777 		if (error)  in xfs_reflink_recover_cow()
781 	return error;  in xfs_reflink_recover_cow()
869 	int			error;  in xfs_reflink_set_inode_flag()  local
875 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_ichange, 0, 0, 0, &tp);  in xfs_reflink_set_inode_flag()
876 	if (error)  in xfs_reflink_set_inode_flag()
907 	error = xfs_trans_commit(tp);  in xfs_reflink_set_inode_flag()
908 	if (error)  in xfs_reflink_set_inode_flag()
910 	return error;  in xfs_reflink_set_inode_flag()
913 	trace_xfs_reflink_set_inode_flag_error(dest, error, _RET_IP_);  in xfs_reflink_set_inode_flag()
914 	return error;  in xfs_reflink_set_inode_flag()
929 	int			error;  in xfs_reflink_update_dest()  local
934 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_ichange, 0, 0, 0, &tp);  in xfs_reflink_update_dest()
935 	if (error)  in xfs_reflink_update_dest()
958 	error = xfs_trans_commit(tp);  in xfs_reflink_update_dest()
959 	if (error)  in xfs_reflink_update_dest()
961 	return error;  in xfs_reflink_update_dest()
964 	trace_xfs_reflink_update_inode_size_error(dest, error, _RET_IP_);  in xfs_reflink_update_dest()
965 	return error;  in xfs_reflink_update_dest()
980 	int			error = 0;  in xfs_reflink_ag_has_free_space()  local
988 		error = -ENOSPC;  in xfs_reflink_ag_has_free_space()
990 	return error;  in xfs_reflink_ag_has_free_space()
1014 	int			error;  in xfs_reflink_remap_extent()  local
1021 		error = xfs_reflink_ag_has_free_space(mp,  in xfs_reflink_remap_extent()
1023 		if (error)  in xfs_reflink_remap_extent()
1029 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks, 0, 0, &tp);  in xfs_reflink_remap_extent()
1030 	if (error)  in xfs_reflink_remap_extent()
1045 	error = xfs_trans_reserve_quota_nblks(tp, ip, qres, 0,  in xfs_reflink_remap_extent()
1047 	if (error)  in xfs_reflink_remap_extent()
1057 		error = __xfs_bunmapi(tp, ip, destoff, &rlen, 0, 1);  in xfs_reflink_remap_extent()
1058 		if (error)  in xfs_reflink_remap_extent()
1079 		error = xfs_refcount_increase_extent(tp, &uirec);  in xfs_reflink_remap_extent()
1080 		if (error)  in xfs_reflink_remap_extent()
1084 		error = xfs_bmap_map_extent(tp, ip, &uirec);  in xfs_reflink_remap_extent()
1085 		if (error)  in xfs_reflink_remap_extent()
1105 		error = xfs_defer_finish(&tp);  in xfs_reflink_remap_extent()
1106 		if (error)  in xfs_reflink_remap_extent()
1110 	error = xfs_trans_commit(tp);  in xfs_reflink_remap_extent()
1112 	if (error)  in xfs_reflink_remap_extent()
1120 	trace_xfs_reflink_remap_extent_error(ip, error, _RET_IP_);  in xfs_reflink_remap_extent()
1121 	return error;  in xfs_reflink_remap_extent()
1138 	int			error = 0;  in xfs_reflink_remap_blocks()  local
1151 		error = xfs_bmapi_read(src, srcoff, len, &imap, &nimaps, 0);  in xfs_reflink_remap_blocks()
1153 		if (error)  in xfs_reflink_remap_blocks()
1165 		error = xfs_reflink_remap_extent(dest, &imap, destoff,  in xfs_reflink_remap_blocks()
1167 		if (error)  in xfs_reflink_remap_blocks()
1171 			error = -EINTR;  in xfs_reflink_remap_blocks()
1184 	trace_xfs_reflink_remap_blocks_error(dest, error, _RET_IP_);  in xfs_reflink_remap_blocks()
1185 	return error;  in xfs_reflink_remap_blocks()
1200 	int			error;  in xfs_iolock_two_inodes_and_break_layout()  local
1211 	error = break_layout(dest, false);  in xfs_iolock_two_inodes_and_break_layout()
1212 	if (error == -EWOULDBLOCK) {  in xfs_iolock_two_inodes_and_break_layout()
1216 		error = break_layout(dest, true);  in xfs_iolock_two_inodes_and_break_layout()
1217 		if (error)  in xfs_iolock_two_inodes_and_break_layout()
1218 			return error;  in xfs_iolock_two_inodes_and_break_layout()
1221 	if (error) {  in xfs_iolock_two_inodes_and_break_layout()
1225 		return error;  in xfs_iolock_two_inodes_and_break_layout()
1513 	int			error = 0;  in xfs_reflink_dirty_extents()  local
1521 		error = xfs_bmapi_read(ip, fbno, end - fbno, map, &nmaps, 0);  in xfs_reflink_dirty_extents()
1522 		if (error)  in xfs_reflink_dirty_extents()
1535 			error = xfs_reflink_find_shared(mp, NULL, agno, agbno,  in xfs_reflink_dirty_extents()
1537 			if (error)  in xfs_reflink_dirty_extents()
1549 			error = iomap_file_dirty(VFS_I(ip), fpos, flen,  in xfs_reflink_dirty_extents()
1552 			if (error)  in xfs_reflink_dirty_extents()
1564 	return error;  in xfs_reflink_dirty_extents()
1584 	int				error;  in xfs_reflink_inode_has_shared_extents()  local
1588 		error = xfs_iread_extents(tp, ip, XFS_DATA_FORK);  in xfs_reflink_inode_has_shared_extents()
1589 		if (error)  in xfs_reflink_inode_has_shared_extents()
1590 			return error;  in xfs_reflink_inode_has_shared_extents()
1603 		error = xfs_reflink_find_shared(mp, tp, agno, agbno, aglen,  in xfs_reflink_inode_has_shared_extents()
1605 		if (error)  in xfs_reflink_inode_has_shared_extents()
1606 			return error;  in xfs_reflink_inode_has_shared_extents()
1631 	int			error = 0;  in xfs_reflink_clear_inode_flag()  local
1635 	error = xfs_reflink_inode_has_shared_extents(*tpp, ip, &needs_flag);  in xfs_reflink_clear_inode_flag()
1636 	if (error || needs_flag)  in xfs_reflink_clear_inode_flag()
1637 		return error;  in xfs_reflink_clear_inode_flag()
1643 	error = xfs_reflink_cancel_cow_blocks(ip, tpp, 0, NULLFILEOFF, true);  in xfs_reflink_clear_inode_flag()
1644 	if (error)  in xfs_reflink_clear_inode_flag()
1645 		return error;  in xfs_reflink_clear_inode_flag()
1653 	return error;  in xfs_reflink_clear_inode_flag()
1666 	int			error = 0;  in xfs_reflink_try_clear_inode_flag()  local
1669 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, 0, 0, 0, &tp);  in xfs_reflink_try_clear_inode_flag()
1670 	if (error)  in xfs_reflink_try_clear_inode_flag()
1671 		return error;  in xfs_reflink_try_clear_inode_flag()
1676 	error = xfs_reflink_clear_inode_flag(ip, &tp);  in xfs_reflink_try_clear_inode_flag()
1677 	if (error)  in xfs_reflink_try_clear_inode_flag()
1680 	error = xfs_trans_commit(tp);  in xfs_reflink_try_clear_inode_flag()
1681 	if (error)  in xfs_reflink_try_clear_inode_flag()
1690 	return error;  in xfs_reflink_try_clear_inode_flag()
1707 	int			error;  in xfs_reflink_unshare()  local
1721 	error = xfs_reflink_dirty_extents(ip, fbno, end, isize);  in xfs_reflink_unshare()
1722 	if (error)  in xfs_reflink_unshare()
1727 	error = filemap_write_and_wait(VFS_I(ip)->i_mapping);  in xfs_reflink_unshare()
1728 	if (error)  in xfs_reflink_unshare()
1732 	error = xfs_reflink_try_clear_inode_flag(ip);  in xfs_reflink_unshare()
1733 	if (error)  in xfs_reflink_unshare()
1741 	trace_xfs_reflink_unshare_error(ip, error, _RET_IP_);  in xfs_reflink_unshare()
1742 	return error;  in xfs_reflink_unshare()