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Re: [PATCH block/for-linus] writeback: fix syncing of I_DIRTY_TIME inode

To: Jan Kara <jack@xxxxxxx>
Subject: Re: [PATCH block/for-linus] writeback: fix syncing of I_DIRTY_TIME inodes
From: Tejun Heo <tj@xxxxxxxxxx>
Date: Mon, 24 Aug 2015 18:54:58 -0400
Cc: Dave Chinner <david@xxxxxxxxxxxxx>, Eryu Guan <eguan@xxxxxxxxxx>, Jens Axboe <axboe@xxxxxxxxx>, linux-kernel@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx, axboe@xxxxxx, Jan Kara <jack@xxxxxxxx>, linux-fsdevel@xxxxxxxxxxxxxxx, kernel-team@xxxxxx
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Sender: Tejun Heo <htejun@xxxxxxxxx>
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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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