From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christoph Hellwig Subject: Re: silent semantic changes with reiser4 Date: Thu, 26 Aug 2004 12:59:14 +0200 Message-ID: <20040826105914.GA30795@lst.de> References: <20040824202521.GA26705@lst.de> <412CEE38.1080707@namesys.com> <20040825200859.GA16345@lst.de> <412DA11B.2070303@namesys.com> <20040826105330.GB30449@mail.shareable.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Hans Reiser , Linus Torvalds , Mikulas Patocka , Christoph Hellwig , linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Alexander Lyamin aka FLX , ReiserFS List Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com To: Jamie Lokier Content-Disposition: inline In-Reply-To: <20040826105330.GB30449@mail.shareable.org> List-Id: linux-fsdevel.vger.kernel.org On Thu, Aug 26, 2004 at 11:53:30AM +0100, Jamie Lokier wrote: > Hans Reiser wrote: > > being able to cat dirname/pseudos/cat and get a > > concatenation of all of the files is nice, and being able to cat > > dirname/pseudos/tar and get an archive of the directory is nice > > Yes. Being able to cd into filename.tar.gz and filename.iso is also > nice, but all of these features should be supported by the VFS > generically, not in any specific filesystem, and there should be a > hook to invoke the various fun filesystem-independent handlers by name. It doesn't belong into the kernel at all. If at all it belongs into a userspace filesystems, but even in that case the magic detection of which one to use is kinda hard. You absoutely don't want to hardcode file formats in the kernel.