From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <5db02d8d4202afa28a05b7b943fbd553@terzarima.net>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] truncation via wstat on ken's fs
From: Charles Forsyth <forsyth@terzarima.net>
Date: Mon, 18 Oct 2004 09:03:06 +0100
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>>Ken frees blocks in reverse order (last block freed first), presumably
>>to assist repairs if the system should crash in the middle of it, or

it was traditional from v6:

/*
 * Free all the disk blocks associated
 * with the specified inode structure.
 * The blocks of the file are removed
 * in reverse order. This FILO
 * algorithm will tend to maintain
 * a contiguous free list much longer
 * than FIFO.
 */
itrunc(ip)
int *ip;
{
	...