From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Lee Trager" Subject: Re: Compressed Filesystem Date: Tue, 28 Oct 2008 12:33:37 -0400 Message-ID: <20081028163337.GA8488@tux64-02> References: <20081027145401.GB10896@tux64-03> <1225208847.6448.172.camel@think.oraclecorp.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-btrfs@vger.kernel.org, balajirrao@gmail.com, miguel.filipe@gmail.com To: Chris Mason Return-path: In-Reply-To: <1225208847.6448.172.camel@think.oraclecorp.com> List-ID: On Tue, Oct 28, 2008 at 11:47:27AM -0400, Chris Mason wrote: > On Mon, 2008-10-27 at 10:54 -0400, Lee Trager wrote: > > I have read on the mailing list that there has been some interest in > > implementing transparent compression on btrfs and I too am thinking about > > trying to implement it. Before I start from scratch I am wondering if > > anyone else has started to work on this and if so how far along have > > they gotten? I would be happy to work on this alone or with someone else > > but currently I am doing some preliminary research. > > Compression is working on my machine, I'm just running some long tests > before I push it out to the unstable repo. The current code uses the > in-kernel zlib implementation. > > -chris > Thats great I am eager to try it. How long will these tests take? I would love to look at the code. Is compression done for every file by default or does a user space program have to set a compression flag on the file? Thanks, Lee