linux-kernel - Re: [PATCH 30/51] writeback: implement and use inode

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Message-ID: <20150702014634.GF26440@mtj.duckdns.org>
Date:	Wed, 1 Jul 2015 21:46:34 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Jan Kara <jack@...e.cz>
Cc:	axboe@...nel.dk, linux-kernel@...r.kernel.org, hch@...radead.org,
	hannes@...xchg.org, linux-fsdevel@...r.kernel.org,
	vgoyal@...hat.com, lizefan@...wei.com, cgroups@...r.kernel.org,
	linux-mm@...ck.org, mhocko@...e.cz, clm@...com,
	fengguang.wu@...el.com, david@...morbit.com, gthelen@...gle.com,
	khlebnikov@...dex-team.ru
Subject: Re: [PATCH 30/51] writeback: implement and use inode_congested()

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.

Thanks.

-- 
tejun
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