From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: From: erik quanstrom Date: Thu, 9 Aug 2007 21:57:34 -0400 To: 9fans@cse.psu.edu Subject: Re: [9fans] synthetic filesystems and changing data In-Reply-To: <46BBC396.9040009@ec.gc.ca> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Topicbox-Message-UUID: a2d2eb78-ead2-11e9-9d60-3106f5b1d025 why not just tie the fid to a "file" version. then it would be easy to handle offsets. - erik On Thu Aug 9 21:47:02 EDT 2007, John.Marshall@ec.gc.ca wrote: > Hi, > > I am trying to understand the general practice, under > Plan 9, for synthetic filesystems for serving up a "file" > which: > 1) returns data that changes (quickly), and > 2) returns data whose size is larger than the message > size agreed upon at *version interchange. > > Practically, what I am wondering is: > 1) what to do when the "file" content changes between > multiple *read operations (assuming that the reads > are done quickly)? Is it just tough luck for the client? > 2) whether or not synthetic filesystems generally handle > (or not) the offset parameter? I imagine to do this > requires relatively static content, is difficult, or > there is an assumption that the size of the content > _must_ fit in the message. > > Thanks, > John >