From mboxrd@z Thu Jan 1 00:00:00 1970 From: Theodore Tso Subject: Re: [RFC][PATCH 13/14] ext3 whiteout support Date: Tue, 15 May 2007 10:28:31 -0400 Message-ID: <20070515142830.GA5656@thunk.org> References: <20070514093722.GB4139@in.ibm.com> <20070514094450.GO4139@in.ibm.com> <20070514201706.GD5286@schatzie.adilger.int> <4de7f8a60705141335m7214e8e9k9f96244738dd2b4@mail.gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Bharata B Rao , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, Jan Blunck To: Jan Blunck Return-path: Received: from thunk.org ([69.25.196.29]:57237 "EHLO thunker.thunk.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755698AbXEOO3H (ORCPT ); Tue, 15 May 2007 10:29:07 -0400 Content-Disposition: inline In-Reply-To: <4de7f8a60705141335m7214e8e9k9f96244738dd2b4@mail.gmail.com> Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On Mon, May 14, 2007 at 10:35:47PM +0200, Jan Blunck wrote: > > I don't know. I tried to contact him a few weeks ago but failed. > Guess, maybe he isn't reading the @thunk.org email anymore which was > reference in the e2fsprogs source I used. I do pay more attention to mail sent to the @mit.edu address, but I don't recall any reservation requests sent to my @thunk.org address (nope, don't see it; maybe it got caught in my spam filters? When did you send it, precisely?) > Ted, > from ext2_fs.h I learn that the value 0x0020 is left unused. > > #define EXT2_FEATURE_INCOMPAT_META_BG 0x0010 > #define EXT3_FEATURE_INCOMPAT_EXTENTS 0x0040 > #define EXT4_FEATURE_INCOMPAT_64BIT 0x0080 > > Is this intentionally? I think 0x0020 was used at one point, but I can't remember what it was used for. It's almost certainly not in wide use at this point, so it's probably safe to use it; OTOH it's not like we're running out of bits at this point. - Ted