From: Artem Bityutskiy Subject: Re: [PATCH cgroup/for-4.3-fixes] cgroup, writeback: don't enable cgroup writeback on traditional hierarchies Date: Fri, 25 Sep 2015 09:49:09 +0300 Message-ID: <1443163749.19983.254.camel@gmail.com> References: <1434495193-31182-1-git-send-email-tj@kernel.org> <1434495193-31182-3-git-send-email-tj@kernel.org> <20150722035620.GD2944@thunk.org> <1443012552.19983.209.camel@gmail.com> <20150923180934.GE26647@mtj.duckdns.org> <20150923185137.GJ26647@mtj.duckdns.org> <20150923210729.GA23180@mtj.duckdns.org> <1443082186.19983.234.camel@gmail.com> <20150924204529.GF25415@mtj.duckdns.org> Reply-To: dedekind1@gmail.com Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Theodore Ts'o , axboe@kernel.dk, linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org, lizefan@huawei.com, cgroups@vger.kernel.org, hannes@cmpxchg.org, kernel-team@fb.com, adilger.kernel@dilger.ca, linux-ext4@vger.kernel.org, Dexuan Cui To: Tejun Heo Return-path: In-Reply-To: <20150924204529.GF25415@mtj.duckdns.org> Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org On Thu, 2015-09-24 at 16:45 -0400, Tejun Heo wrote: > Hello, Artem. >=20 > On Thu, Sep 24, 2015 at 11:09:46AM +0300, Artem Bityutskiy wrote: > > On Wed, 2015-09-23 at 17:07 -0400, Tejun Heo wrote: > > > So, this should make the regression go away. It doesn't fix the > > > underlying bugs but they shouldn't get triggered by people not > > > experimenting with cgroup. > >=20 > > this hits the nail on the head and makes the problem go away. >=20 > Yeah but there still is an underlying problem here. I've been going > through the sync path today but can't trigger or spot anything wrong. > Can you please apply the patch at the end of this mail, trigger the > failure and report the kernel log? >=20 > Thanks a lot. Does not compile with multiple errors like linux/fs/fs-writeback.c:799:10: error: =E2=80=98struct bdi_writeback=E2= =80=99 has no member named =E2=80=98last_comp_gen=E2=80=99 bdi->wb.last_comp_gen =3D bdi->wb.comp_gen; ^ -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel= " in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html