Re: [PATCH 1/2] [RFC] Add file f_flags to cgroup write_string ops

[Balbir Singh <balbir-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>]

* KAMEZAWA Hiroyuki <kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org> [2009-10-27 09:03:11]:

> On Mon, 26 Oct 2009 08:15:29 -0700
> Matt Helsley <matthltc-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org> wrote:
> 
> > cgroup subsystems may find the O_APPEND and O_NONBLOCK flags useful
> > in determining the way they handle writes. For now only pass these
> > flags through the write_string op.
> > 
> > A subsequent patch will make use of the O_NONBLOCK flag in the
> > cgroup freezer write_string op.
> > 
> > Signed-off-by: Matt Helsley <matthltc-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
> > Cc: Nathan Lynch <ntl-e+AXbWqSrlAAvxtiuMwx3w@public.gmane.org>
> > Cc: Paul Menage <menage-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>
> > Cc: Li Zefan <lizf-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
> > 
> > (Cc'ing mem controller maintainers in case they find this useful..)
> > Cc: Balbir Singh <balbir-23VcF4HTsmIX0ybBhKVfKdBPR1lH4CV8@public.gmane.org>
> > Cc: Pavel Emelyanov <xemul-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
> > Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu-+CUm20s59erQFUHtdCDX3A@public.gmane.org>
> 
> Hmm, maybe useful if we decided to add memory.drop_memory or some...
> But now, we have no plan to add backup thread(for asynchronous job).
> or some trylock ops.
> Anyway, no objection from me if you want this.
> 

I see no issues as well, but no use at the moment right away.


-- 
	Balbir