linux-kernel - Re: [PATCH block/for-linus] writeback: fix syncing of I_DIRTY

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Message-ID: <20150824225458.GQ28944@mtj.duckdns.org>
Date:	Mon, 24 Aug 2015 18:54:58 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Jan Kara <jack@...e.cz>
Cc:	Dave Chinner <david@...morbit.com>, Eryu Guan <eguan@...hat.com>,
	Jens Axboe <axboe@...nel.dk>, linux-kernel@...r.kernel.org,
	xfs@....sgi.com, axboe@...com, Jan Kara <jack@...e.com>,
	linux-fsdevel@...r.kernel.org, kernel-team@...com
Subject: Re: [PATCH block/for-linus] writeback: fix syncing of I_DIRTY_TIME
 inodes

Hello,

On Mon, Aug 24, 2015 at 05:45:35PM -0400, Tejun Heo wrote:
> That isn't true for pages being dirtied through set_page_dirty().
> It's guaranteed that a dirty inode remains on one of the b_* lists
> till there's no dirty page and writeback is complete.

I got confused here.  inodes get removed from b_* once all IOs are
issued.

Thanks.

-- 
tejun
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