From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans Reiser Subject: Re: Reiser4 documentation & specifically current status of repacker, compression, and semantics Date: Mon, 24 Oct 2005 14:11:17 -0700 Message-ID: <435D4DF5.4090602@namesys.com> References: <200510231850.45209.jgilmore@glycou.com> <200510241225.45686.jgilmore@glycou.com> <435D3110.8060204@namesys.com> <200510241345.17620.jgilmore@glycou.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com In-Reply-To: <200510241345.17620.jgilmore@glycou.com> List-Id: Content-Type: text/plain; charset="us-ascii" To: John Gilmore Cc: reiserfs-list@namesys.com, Edward Shishkin John Gilmore wrote: >On Monday 24 October 2005 19:08, Edward Shishkin wrote: > > >>John Gilmore wrote: >> >> >>>How are plugin/file >>>relationships handled without it? >>> >>> >>For the first time there will be an option in mkfs to assign a file >>plugin for regular files per superblock. >>Then (if everything will be okay) we will granulate the relationship. >> >>Edward. >> >> > >So the first beta of compression will only have the option to control it at >mkfs time? > It should be explained that on the first flush to disk of a new file the default compress plugin will test to see if the first 64k is compressable, and if it is not then it converts the file to a regular file plugin. Edward, confirm that you coded it that way, as I think I expressed things more precisely this time.;-) I believe most users will find most of their files get the right treatment using this heuristic. > And then later on, compression control and status information will >be available on a per-file (or per-directory) basis via a user-space tool >operating on mounted filesystems? Which tool will also be extendable to >control and give status information (where applicable) on other types of >plugins? > >Is there a page that I could go to - some sort of "Major feature changes" page >- to see what the current status of the filesystem is? > If you pay for the tech writer.:-/ We have less funding than most users imagine we have. > To answer such >questions as "Is compression ready for beta?" and "what the heck happened to >file-as-directory?" and "I saw mention of a test of the reiser4 repacker, and >also mention of compile problems with repacker.c, which definitely doesn't >exist in MY version of resier4 - what gives?" (though I've concluded that >that last one must be somebodies copy of alpha software...) > > > >