Re: [PATCH cgroup/for-4.4 3/3] cgroup: replace unified-hierarchy.txt with a proper cgroup v2 documentation

[Vivek Goyal <vgoyal@redhat.com>]

On Thu, Oct 22, 2015 at 11:36:05PM +0900, Tejun Heo wrote:
> On Thu, Oct 22, 2015 at 10:34:27AM -0400, Vivek Goyal wrote:
> > On Thu, Oct 22, 2015 at 10:23:54AM +0900, Tejun Heo wrote:
> > 
> > [..]
> > > +5-3-2. Writeback
> > > +
> > > +Writeback of page cache manages the dirty memory ratio and is an
> > > +integral part of memory management.  The io controller, in conjunction
> > > +with the memory controller, implements control of page cache writeback
> > > +IOs.  The memory controller defines the memory domain that dirty
> > > +memory ratio is calculated and maintained for and the io controller
> > > +defines the io domain which writes out dirty pages for the memory
> > > +domain.
> > 
> > Hi Tejun,
> > 
> > Glad that finally devel flag will go away and new shiny unified hierarchy
> > can be used using cgroup2 fstype. Thanks for all this hard work.
> > 
> > Will it make sense to also talk about what filesystems currently writeback
> > cgroup work with. IIUC, currently this works with ext2 and there are plans to
> > make it work with other filesystems.
> 
> It works with ext2 and 4 and btrfs.  Will document it.  Thanks.

Oh, nice. Are there any plans to make it work with xfs too?

Thanks
Vivek