From: =?ISO-8859-15?Q?Luk=E1=A8_Czerner?= Subject: Re: [PATCH v3] ext4: Prevent race while waling extent tree Date: Mon, 19 Nov 2012 12:11:35 +0100 (CET) Message-ID: References: <1352732245-30132-1-git-send-email-lczerner@redhat.com> <1352794923-28555-1-git-send-email-lczerner@redhat.com> <20121113141911.GA7472@X61> <20121113185104.GC1282@lenny.home.zabbo.net> <20121119032430.GB24414@thunk.org> Mime-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="571107329-515253542-1353323498=:24659" Cc: =?ISO-8859-15?Q?Luk=E1=A8_Czerner?= , Zach Brown , Peng Tao , linux-ext4@vger.kernel.org, dmonakhov@openvz.org To: "Theodore Ts'o" Return-path: Received: from mx1.redhat.com ([209.132.183.28]:29485 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751842Ab2KSLLo (ORCPT ); Mon, 19 Nov 2012 06:11:44 -0500 In-Reply-To: <20121119032430.GB24414@thunk.org> Sender: linux-ext4-owner@vger.kernel.org List-ID: This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --571107329-515253542-1353323498=:24659 Content-Type: TEXT/PLAIN; charset=utf-8 Content-Transfer-Encoding: 8BIT On Sun, 18 Nov 2012, Theodore Ts'o wrote: > Date: Sun, 18 Nov 2012 22:24:30 -0500 > From: Theodore Ts'o > To: Lukáš Czerner > Cc: Zach Brown , Peng Tao , > linux-ext4@vger.kernel.org, dmonakhov@openvz.org > Subject: Re: [PATCH v3] ext4: Prevent race while waling extent tree > > On Thu, Nov 15, 2012 at 05:39:06PM +0100, Lukáš Czerner wrote: > > You're both right. The code have to be reorganized. The > > ext4_ext_fiemap_cb() is ugly as hell, but luckily that will be > > resolved with extent status tree patches from Zheng Liu, however the > > indirection in ext4_ext_walk_space() and the callback business > > is also pointless. > > Hi Lukas, > > Is your patch going to be dependent on whether the extent status tree > patches are applied? > > If so, you might want to develop your patch versus the ext4 git tree's > master branch, which includes the extent status patches currently > queued for the next merge window. > > Thanks!! > > - Ted Yes, there is a small conflict. I'll base it on top of the ext4 git tree. Thanks! -Lukas --571107329-515253542-1353323498=:24659--