From: Zheng Liu Subject: Re: Which features should I implement in my ext4 reader? Date: Mon, 19 Aug 2013 13:08:04 +0800 Message-ID: <20130819050803.GA10882@gmail.com> References: <20130817130204.GA30769@thunk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Theodore Ts'o , linux-ext4@vger.kernel.org To: Felipe Monteiro de Carvalho Return-path: Received: from mail-pd0-f178.google.com ([209.85.192.178]:43189 "EHLO mail-pd0-f178.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750790Ab3HSFHW (ORCPT ); Mon, 19 Aug 2013 01:07:22 -0400 Received: by mail-pd0-f178.google.com with SMTP id w10so4631999pde.9 for ; Sun, 18 Aug 2013 22:07:22 -0700 (PDT) Content-Disposition: inline In-Reply-To: Sender: linux-ext4-owner@vger.kernel.org List-ID: Hello, On Sun, Aug 18, 2013 at 08:04:20AM +0200, Felipe Monteiro de Carvalho wrote: > On Sat, Aug 17, 2013 at 3:02 PM, Theodore Ts'o wrote: > > I think part of the problem (besids lots of people being busy and on > > vacation) is it's not clear what your ext4 reader is going to be used > > for. As a result it's hard to give advice, not knowing what the > > requirements are for said reader. > > I think that I formulated my question incorrectly. I did not mean > "please give me advice over my specific application" this time, but > rather what I wanted was "please tell me a little about these various > features and also tell me if they are finished or still work in > progress, etc". Which is precisely what you answered already, so > thanks a lot =) > > > These features aren't quite fully supported yet. The inline data > > feature is probably closest to be being fully supported, when we > > release an the next major version of e2fsprogs. > > Just for completeness, which version number will that by? > > So, I understand that currently mkfs.ext4 cannot generate ext4 file > systems with this feature, correct? You need to checkout to e2fsprogs/pu branch. All patches for inline data are on this branch. BTW, the latest refinement of patches had been sent to the mailing list [1]. It would be great if you could give it a try. 1. http://comments.gmane.org/gmane.comp.file-systems.ext4/39825 Regards, - Zheng > > Is there any other way to generate a file system with this feature > with a 3.8 kernel which will work? > > Just wondering if I can already start work on this or if I need to wait. > > thanks, > -- > Felipe Monteiro de Carvalho > -- > To unsubscribe from this list: send the line "unsubscribe linux-ext4" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html