From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Mason Subject: Re: [PATCH 2/2] ext4: implement cgroup writeback support Date: Wed, 23 Sep 2015 13:53:37 -0400 Message-ID: <20150923175337.GD25218@ret.masoncoding.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> <20150923172535.GC25218@ret.masoncoding.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Return-path: DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=fb.com; h=date : from : to : cc : subject : message-id : references : mime-version : content-type : in-reply-to; s=facebook; bh=d2WmcuCLRyelnMZTsGowmD/VOt3c1pygqdKNZ5a0kyw=; b=YDz0m08xPMCttn6x+QzS11JvbXdNkVCEND2MnS0F2jGS/EFrQ2YF69vtUXq2OOJPyu4c g2HjYKDv/zfaVhADdFNHEtdPROcmVuMTf/t4dobuekBxsEec+5Zjy9hMv1PVpZYgSSBR cNkomTzLtH0e8WMb5cmK8pnGj4Wn8+lHyuk= Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-ID: Content-Transfer-Encoding: 7bit To: Artem Bityutskiy Cc: linux-ext4@vger.kernel.org, hannes@cmpxchg.org, axboe@kernel.dk, Tejun Heo , Theodore Ts'o , linux-fsdevel@vger.kernel.org, lizefan@huawei.com, cgroups@vger.kernel.org, adilger.kernel@dilger.ca, kernel-team@fb.com, linux-kernel@vger.kernel.org On Wed, Sep 23, 2015 at 08:41:25PM +0300, Artem Bityutskiy wrote: > Hi > > $ sync > $ reboot If this is case, it should be possible to reproduce with: cp a bunch of stuff to /ext4 unmount /ext4 mount ext4 compare data If you're not getting a clean unmount of the test FS during the reboot, its a different test. Trying to reproduce here, so far its clean. Could you please double check for failed unmounts? Thanks, Chris From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chris Mason Subject: Re: [PATCH 2/2] ext4: implement cgroup writeback support Date: Wed, 23 Sep 2015 13:53:37 -0400 Message-ID: <20150923175337.GD25218@ret.masoncoding.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> <20150923172535.GC25218@ret.masoncoding.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Cc: , , , Tejun Heo , "Theodore Ts'o" , , , , , , To: Artem Bityutskiy Return-path: Content-Disposition: inline In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org On Wed, Sep 23, 2015 at 08:41:25PM +0300, Artem Bityutskiy wrote: > Hi > > $ sync > $ reboot If this is case, it should be possible to reproduce with: cp a bunch of stuff to /ext4 unmount /ext4 mount ext4 compare data If you're not getting a clean unmount of the test FS during the reboot, its a different test. Trying to reproduce here, so far its clean. Could you please double check for failed unmounts? Thanks, Chris