From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tejun Heo Subject: Re: [PATCHSET v2 block/for-4.2/writeback] cgroup, writeback: misc updates for cgroup writeback support Date: Wed, 17 Jun 2015 14:31:03 -0400 Message-ID: <20150617183103.GK22637@mtj.duckdns.org> References: <1434494912-31043-1-git-send-email-tj@kernel.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-fsdevel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, lizefan-hv44wF8Li93QT0dZR+AlfA@public.gmane.org, cgroups-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, hannes-druUgvl0LCNAfugRpC6u6w@public.gmane.org, kernel-team-b10kYP2dOMg@public.gmane.org To: axboe-tSWWG44O7X1aa/9Udqfwiw@public.gmane.org Return-path: Content-Disposition: inline In-Reply-To: <1434494912-31043-1-git-send-email-tj-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> Sender: cgroups-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-fsdevel.vger.kernel.org On Tue, Jun 16, 2015 at 06:48:29PM -0400, Tejun Heo wrote: > Hello, > > This is v2. The only change from the last take[L] is > > * super_block->s_iflags added and MS_CGROUPWB replaced with > SB_I_CGROUPWB as suggested by Christoph and Jan. > > This patchset contains the following assorted updates for the cgroup > writeback support. > > 0001-writeback-do-foreign-inode-detection-iff-cgroup-writ.patch > 0002-vfs-writeback-replace-FS_CGROUP_WRITEBACK-with-SB_I_.patch > 0003-writeback-blkio-add-documentation-for-cgroup-writeba.patch > > 0001 fixes a bug where clear FS_CGROUP_WRITEBACK flag didn't fully > disable cgroup writeback support if the filesystem code uses > wbc_init_bio() and wbc_account_io(). > > 0002 replaces FS_CGROUP_WRITEBACK with SB_I_CGROUPWB so that cgroup > writeback support can be enabled / disabled per superblock rather than > filesystem type. > > 0003 updates blkio documentation with information on cgroup writeback > support. Jens, this is late in the merge window but these three patches are low risk and would be nice to make available for -rc1 so that future filesystem cgroup writeback support doesn't have to pull in cgroup branch. What do you think? Thanks. -- tejun