From mboxrd@z Thu Jan 1 00:00:00 1970 To: 9fans@cse.psu.edu From: "Douglas A. Gwyn" Message-ID: <3B0BC443.704D071@null.net> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit References: <20010522232637.ADF0D199C0@mail.cse.psu.edu> Subject: Re: [9fans] software quality and popularity Date: Wed, 23 May 2001 14:57:01 +0000 Topicbox-Message-UUID: a62d8c8c-eac9-11e9-9e20-41e7f4b1d025 jmk@plan9.bell-labs.com wrote: > From STAT(5): > A wstat request can explicitly avoid modifying some proper- > ties of the file by providing explicit ``don't touch'' val- > ues in the stat data that is sent: zero-length strings for > text values and the maximum unsigned value of appropriate > size for integral values. As a special case, if all the > entries in a Twstat message are ``don't touch'' values, the > server may interpret it as a request to guarantee that the > contents of the associated file are committed to stable > storage before the Rwstat message is returned. (Consider > the message to mean, ``make the state of the file exactly > what it claims to be.'') Oh, great, more usurping of data values for in-band signalling of exceptional conditions.