Date: Fri, 3 Jul 2015 13:07:10 -0400
From: Tejun Heo <tj@kernel.org>
To: Jan Kara <jack@suse.cz>
Cc: axboe@kernel.dk, linux-kernel@vger.kernel.org, hch@infradead.org,
        hannes@cmpxchg.org, linux-fsdevel@vger.kernel.org, vgoyal@redhat.com,
        lizefan@huawei.com, cgroups@vger.kernel.org, linux-mm@kvack.org,
        mhocko@suse.cz, clm@fb.com, fengguang.wu@intel.com,
        david@fromorbit.com, gthelen@google.com, khlebnikov@yandex-team.ru
Subject: Re: [PATCH 30/51] writeback: implement and use inode_congested()
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On Fri, Jul 03, 2015 at 02:17:21PM +0200, Jan Kara wrote:
> On Wed 01-07-15 21:46:34, Tejun Heo wrote:
> > Hello,
> > 
> > On Tue, Jun 30, 2015 at 05:21:05PM +0200, Jan Kara wrote:
> > > Hum, is there any point in supporting NULL inode with inode_congested()?
> > > That would look more like a programming bug than anything... Otherwise the
> > > patch looks good to me so you can add:
> > 
> > Those are inherited from the existing usages and all for swapper
> > space.  I think we should have a dummy inode instead of scattering
> > NULL mapping->host test all over the place but that's for another day.
> 
>   Ah, OK. A comment about this would be nice.

Will add.

Thanks!

-- 
tejun
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