From mboxrd@z Thu Jan 1 00:00:00 1970 From: Redeeman Subject: Re: reiser4 plugins Date: Sat, 28 Aug 2004 11:41:34 +0200 Message-ID: <1093686094.12690.0.camel@localhost> References: <20040825152805.45a1ce64.akpm@osdl.org> <412D9FE6.9050307@namesys.com> <20040826014542.4bfe7cc3.akpm@osdl.org> <1093522729.9004.40.camel@leto.cs.pocnet.net> <20040826124929.GA542@lst.de> <1093525234.9004.55.camel@leto.cs.pocnet.net> <20040826130718.GB820@lst.de> <1093526273.11694.8.camel@leto.cs.pocnet.net> <20040826132439.GA1188@lst.de> <1093527307.11694.23.camel@leto.cs.pocnet.net> <20040826134034.GA1470@lst.de> <1093528683.11694.36.camel@leto.cs.pocnet.net> <412E786E.5080608@namesys.com> <16687.9051.311225.697109@thebsh.namesys.com> Reply-To: redeeman@metanurb.dk Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com In-Reply-To: <16687.9051.311225.697109@thebsh.namesys.com> List-Id: Content-Type: text/plain; charset="us-ascii" To: Reiserfs Mailinglist On Fri, 2004-08-27 at 16:04 +0400, Nikita Danilov wrote: > Hans Reiser writes: > > Christophe Saout wrote: > > > > > > > > > > >I don't know, ask Hans. How could the VFS know it a filesystem wants to > > >do something specific with a file that is completely transparent to the > > >VFS? > > > > > > > > > > > To know what method to use, you must determine the pluginid, and then > > find the method within that plugin for that vfs operation. > > > > As for overhead, well, who eats whose dust in the benchmarks....? > > Whoever sponsors the benchmark usually wins. Had you forgotten that > mongo setup used by http://www.namesys.com/benchmarks.html was specially > `tuned' to reach peak reiser4 performance? Remember why you decided to > turn OVERWRITE and MODIFY phases off? People on #reiser4 report 90 > _second_ stalls with reiser4 under high io loads (large atom is > obviously being flushed and everyone waits on it...). In my opinion, it > is such things that are of utmost importance for real reiser4 > acceptance, not how to name `metas' sub-directory. i am operating alot under heavy loads, often alot compiling, seti and some other applications, and i must say, i never noticed this > > Nikita. > -- Redeeman