140 	int			error;  in xfs_reflink_find_shared()  local
142 	error = xfs_alloc_read_agf(pag, tp, 0, &agbp);  in xfs_reflink_find_shared()
143 	if (error)  in xfs_reflink_find_shared()
144 		return error;  in xfs_reflink_find_shared()
148 	error = xfs_refcount_find_shared(cur, agbno, aglen, fbno, flen,  in xfs_reflink_find_shared()
151 	xfs_btree_del_cursor(cur, error);  in xfs_reflink_find_shared()
154 	return error;  in xfs_reflink_find_shared()
179 	int			error = 0;  in xfs_reflink_trim_around_shared()  local
193 	error = xfs_reflink_find_shared(pag, NULL, agbno, aglen, &fbno, &flen,  in xfs_reflink_trim_around_shared()
196 	if (error)  in xfs_reflink_trim_around_shared()
197 		return error;  in xfs_reflink_trim_around_shared()
254 	int			error = 0;  in xfs_reflink_convert_cow_locked()  local
272 		error = xfs_bmap_add_extent_unwritten_real(NULL, ip,  in xfs_reflink_convert_cow_locked()
275 		if (error)  in xfs_reflink_convert_cow_locked()
276 			return error;  in xfs_reflink_convert_cow_locked()
279 	return error;  in xfs_reflink_convert_cow_locked()
293 	int			error;  in xfs_reflink_convert_cow()  local
298 	error = xfs_reflink_convert_cow_locked(ip, offset_fsb, count_fsb);  in xfs_reflink_convert_cow()
300 	return error;  in xfs_reflink_convert_cow()
355 	int			error;  in xfs_reflink_convert_unwritten()  local
372 	error = xfs_reflink_convert_cow_locked(ip, offset_fsb, count_fsb);  in xfs_reflink_convert_unwritten()
373 	if (!error)  in xfs_reflink_convert_unwritten()
376 	return error;  in xfs_reflink_convert_unwritten()
393 	int			error;  in xfs_reflink_fill_cow_hole()  local
403 	error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write, resblks, 0,  in xfs_reflink_fill_cow_hole()
405 	if (error)  in xfs_reflink_fill_cow_hole()
406 		return error;  in xfs_reflink_fill_cow_hole()
410 	error = xfs_find_trim_cow_extent(ip, imap, cmap, shared, &found);  in xfs_reflink_fill_cow_hole()
411 	if (error || !*shared)  in xfs_reflink_fill_cow_hole()
421 	error = xfs_bmapi_write(tp, ip, imap->br_startoff, imap->br_blockcount,  in xfs_reflink_fill_cow_hole()
424 	if (error)  in xfs_reflink_fill_cow_hole()
428 	error = xfs_trans_commit(tp);  in xfs_reflink_fill_cow_hole()
429 	if (error)  in xfs_reflink_fill_cow_hole()
430 		return error;  in xfs_reflink_fill_cow_hole()
444 	return error;  in xfs_reflink_fill_cow_hole()
459 	int			error;  in xfs_reflink_fill_delalloc()  local
466 		error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write, 0, 0,  in xfs_reflink_fill_delalloc()
468 		if (error)  in xfs_reflink_fill_delalloc()
469 			return error;  in xfs_reflink_fill_delalloc()
473 		error = xfs_find_trim_cow_extent(ip, imap, cmap, shared,  in xfs_reflink_fill_delalloc()
475 		if (error || !*shared)  in xfs_reflink_fill_delalloc()
490 		error = xfs_bmapi_write(tp, ip, cmap->br_startoff,  in xfs_reflink_fill_delalloc()
494 		if (error)  in xfs_reflink_fill_delalloc()
498 		error = xfs_trans_commit(tp);  in xfs_reflink_fill_delalloc()
499 		if (error)  in xfs_reflink_fill_delalloc()
500 			return error;  in xfs_reflink_fill_delalloc()
514 	return error;  in xfs_reflink_fill_delalloc()
527 	int			error;  in xfs_reflink_allocate_cow()  local
536 	error = xfs_find_trim_cow_extent(ip, imap, cmap, shared, &found);  in xfs_reflink_allocate_cow()
537 	if (error || !*shared)  in xfs_reflink_allocate_cow()
538 		return error;  in xfs_reflink_allocate_cow()
587 	int				error = 0;  in xfs_reflink_cancel_cow_blocks()  local
608 			error = xfs_bmap_del_extent_delay(ip, XFS_COW_FORK,  in xfs_reflink_cancel_cow_blocks()
610 			if (error)  in xfs_reflink_cancel_cow_blocks()
619 			error = xfs_free_extent_later(*tpp, del.br_startblock,  in xfs_reflink_cancel_cow_blocks()
622 			if (error)  in xfs_reflink_cancel_cow_blocks()
626 			error = xfs_defer_finish(tpp);  in xfs_reflink_cancel_cow_blocks()
627 			if (error)  in xfs_reflink_cancel_cow_blocks()
634 			error = xfs_quota_unreserve_blkres(ip,  in xfs_reflink_cancel_cow_blocks()
636 			if (error)  in xfs_reflink_cancel_cow_blocks()
650 	return error;  in xfs_reflink_cancel_cow_blocks()
669 	int			error;  in xfs_reflink_cancel_cow_range()  local
681 	error = xfs_trans_alloc(ip->i_mount, &M_RES(ip->i_mount)->tr_write,  in xfs_reflink_cancel_cow_range()
683 	if (error)  in xfs_reflink_cancel_cow_range()
690 	error = xfs_reflink_cancel_cow_blocks(ip, &tp, offset_fsb, end_fsb,  in xfs_reflink_cancel_cow_range()
692 	if (error)  in xfs_reflink_cancel_cow_range()
695 	error = xfs_trans_commit(tp);  in xfs_reflink_cancel_cow_range()
698 	return error;  in xfs_reflink_cancel_cow_range()
704 	trace_xfs_reflink_cancel_cow_range_error(ip, error, _RET_IP_);  in xfs_reflink_cancel_cow_range()
705 	return error;  in xfs_reflink_cancel_cow_range()
731 	int			error;  in xfs_reflink_end_cow_extent()  local
740 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, resblks, 0,  in xfs_reflink_end_cow_extent()
742 	if (error)  in xfs_reflink_end_cow_extent()
743 		return error;  in xfs_reflink_end_cow_extent()
753 	error = xfs_iext_count_may_overflow(ip, XFS_DATA_FORK,  in xfs_reflink_end_cow_extent()
755 	if (error == -EFBIG)  in xfs_reflink_end_cow_extent()
756 		error = xfs_iext_count_upgrade(tp, ip,  in xfs_reflink_end_cow_extent()
758 	if (error)  in xfs_reflink_end_cow_extent()
790 	error = xfs_bmapi_read(ip, del.br_startoff, del.br_blockcount, &data,  in xfs_reflink_end_cow_extent()
792 	if (error)  in xfs_reflink_end_cow_extent()
820 		error = xfs_bunmapi(NULL, ip, data.br_startoff,  in xfs_reflink_end_cow_extent()
822 		if (error)  in xfs_reflink_end_cow_extent()
840 	error = xfs_trans_commit(tp);  in xfs_reflink_end_cow_extent()
842 	if (error)  in xfs_reflink_end_cow_extent()
843 		return error;  in xfs_reflink_end_cow_extent()
852 	return error;  in xfs_reflink_end_cow_extent()
866 	int				error = 0;  in xfs_reflink_end_cow()  local
905 	while (end_fsb > offset_fsb && !error)  in xfs_reflink_end_cow()
906 		error = xfs_reflink_end_cow_extent(ip, &offset_fsb, end_fsb);  in xfs_reflink_end_cow()
908 	if (error)  in xfs_reflink_end_cow()
909 		trace_xfs_reflink_end_cow_error(ip, error, _RET_IP_);  in xfs_reflink_end_cow()
910 	return error;  in xfs_reflink_end_cow()
925 	int			error = 0;  in xfs_reflink_recover_cow()  local
931 		error = xfs_refcount_recover_cow_leftovers(mp, pag);  in xfs_reflink_recover_cow()
932 		if (error) {  in xfs_reflink_recover_cow()
938 	return error;  in xfs_reflink_recover_cow()
1026 	int			error;  in xfs_reflink_set_inode_flag()  local
1032 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_ichange, 0, 0, 0, &tp);  in xfs_reflink_set_inode_flag()
1033 	if (error)  in xfs_reflink_set_inode_flag()
1064 	error = xfs_trans_commit(tp);  in xfs_reflink_set_inode_flag()
1065 	if (error)  in xfs_reflink_set_inode_flag()
1067 	return error;  in xfs_reflink_set_inode_flag()
1070 	trace_xfs_reflink_set_inode_flag_error(dest, error, _RET_IP_);  in xfs_reflink_set_inode_flag()
1071 	return error;  in xfs_reflink_set_inode_flag()
1086 	int			error;  in xfs_reflink_update_dest()  local
1091 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_ichange, 0, 0, 0, &tp);  in xfs_reflink_update_dest()
1092 	if (error)  in xfs_reflink_update_dest()
1111 	error = xfs_trans_commit(tp);  in xfs_reflink_update_dest()
1112 	if (error)  in xfs_reflink_update_dest()
1114 	return error;  in xfs_reflink_update_dest()
1117 	trace_xfs_reflink_update_inode_size_error(dest, error, _RET_IP_);  in xfs_reflink_update_dest()
1118 	return error;  in xfs_reflink_update_dest()
1133 	int			error = 0;  in xfs_reflink_ag_has_free_space()  local
1141 		error = -ENOSPC;  in xfs_reflink_ag_has_free_space()
1143 	return error;  in xfs_reflink_ag_has_free_space()
1167 	int			error;  in xfs_reflink_remap_extent()  local
1191 	error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write,  in xfs_reflink_remap_extent()
1193 	if (error == -EDQUOT || error == -ENOSPC) {  in xfs_reflink_remap_extent()
1195 		error = xfs_trans_alloc_inode(ip, &M_RES(mp)->tr_write,  in xfs_reflink_remap_extent()
1198 	if (error)  in xfs_reflink_remap_extent()
1207 	error = xfs_bmapi_read(ip, dmap->br_startoff, dmap->br_blockcount,  in xfs_reflink_remap_extent()
1209 	if (error)  in xfs_reflink_remap_extent()
1230 			error = -EFSCORRUPTED;  in xfs_reflink_remap_extent()
1241 		error = xfs_reflink_ag_has_free_space(mp,  in xfs_reflink_remap_extent()
1243 		if (error)  in xfs_reflink_remap_extent()
1270 		error = xfs_trans_reserve_quota_nblks(tp, ip,  in xfs_reflink_remap_extent()
1272 		if (error)  in xfs_reflink_remap_extent()
1282 	error = xfs_iext_count_may_overflow(ip, XFS_DATA_FORK, iext_delta);  in xfs_reflink_remap_extent()
1283 	if (error == -EFBIG)  in xfs_reflink_remap_extent()
1284 		error = xfs_iext_count_upgrade(tp, ip, iext_delta);  in xfs_reflink_remap_extent()
1285 	if (error)  in xfs_reflink_remap_extent()
1305 		error = xfs_bunmapi(NULL, ip, smap.br_startoff,  in xfs_reflink_remap_extent()
1307 		if (error)  in xfs_reflink_remap_extent()
1335 	error = xfs_trans_commit(tp);  in xfs_reflink_remap_extent()
1343 	if (error)  in xfs_reflink_remap_extent()
1344 		trace_xfs_reflink_remap_extent_error(ip, error, _RET_IP_);  in xfs_reflink_remap_extent()
1345 	return error;  in xfs_reflink_remap_extent()
1366 	int			error = 0;  in xfs_reflink_remap_blocks()  local
1379 		error = xfs_bmapi_read(src, srcoff, len, &imap, &nimaps, 0);  in xfs_reflink_remap_blocks()
1381 		if (error)  in xfs_reflink_remap_blocks()
1393 			error = -EFSCORRUPTED;  in xfs_reflink_remap_blocks()
1401 		error = xfs_reflink_remap_extent(dest, &imap, new_isize);  in xfs_reflink_remap_blocks()
1402 		if (error)  in xfs_reflink_remap_blocks()
1406 			error = -EINTR;  in xfs_reflink_remap_blocks()
1417 	if (error)  in xfs_reflink_remap_blocks()
1418 		trace_xfs_reflink_remap_blocks_error(dest, error, _RET_IP_);  in xfs_reflink_remap_blocks()
1421 	return error;  in xfs_reflink_remap_blocks()
1561 	int				error;  in xfs_reflink_inode_has_shared_extents()  local
1564 	error = xfs_iread_extents(tp, ip, XFS_DATA_FORK);  in xfs_reflink_inode_has_shared_extents()
1565 	if (error)  in xfs_reflink_inode_has_shared_extents()
1566 		return error;  in xfs_reflink_inode_has_shared_extents()
1584 		error = xfs_reflink_find_shared(pag, tp, agbno, aglen,  in xfs_reflink_inode_has_shared_extents()
1587 		if (error)  in xfs_reflink_inode_has_shared_extents()
1588 			return error;  in xfs_reflink_inode_has_shared_extents()
1614 	int			error = 0;  in xfs_reflink_clear_inode_flag()  local
1618 	error = xfs_reflink_inode_has_shared_extents(*tpp, ip, &needs_flag);  in xfs_reflink_clear_inode_flag()
1619 	if (error || needs_flag)  in xfs_reflink_clear_inode_flag()
1620 		return error;  in xfs_reflink_clear_inode_flag()
1626 	error = xfs_reflink_cancel_cow_blocks(ip, tpp, 0, XFS_MAX_FILEOFF,  in xfs_reflink_clear_inode_flag()
1628 	if (error)  in xfs_reflink_clear_inode_flag()
1629 		return error;  in xfs_reflink_clear_inode_flag()
1637 	return error;  in xfs_reflink_clear_inode_flag()
1650 	int			error = 0;  in xfs_reflink_try_clear_inode_flag()  local
1653 	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_write, 0, 0, 0, &tp);  in xfs_reflink_try_clear_inode_flag()
1654 	if (error)  in xfs_reflink_try_clear_inode_flag()
1655 		return error;  in xfs_reflink_try_clear_inode_flag()
1660 	error = xfs_reflink_clear_inode_flag(ip, &tp);  in xfs_reflink_try_clear_inode_flag()
1661 	if (error)  in xfs_reflink_try_clear_inode_flag()
1664 	error = xfs_trans_commit(tp);  in xfs_reflink_try_clear_inode_flag()
1665 	if (error)  in xfs_reflink_try_clear_inode_flag()
1674 	return error;  in xfs_reflink_try_clear_inode_flag()
1688 	int			error;  in xfs_reflink_unshare()  local
1698 		error = dax_file_unshare(inode, offset, len,  in xfs_reflink_unshare()
1701 		error = iomap_file_unshare(inode, offset, len,  in xfs_reflink_unshare()
1703 	if (error)  in xfs_reflink_unshare()
1706 	error = filemap_write_and_wait_range(inode->i_mapping, offset,  in xfs_reflink_unshare()
1708 	if (error)  in xfs_reflink_unshare()
1712 	error = xfs_reflink_try_clear_inode_flag(ip);  in xfs_reflink_unshare()
1713 	if (error)  in xfs_reflink_unshare()
1718 	trace_xfs_reflink_unshare_error(ip, error, _RET_IP_);  in xfs_reflink_unshare()
1719 	return error;  in xfs_reflink_unshare()