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Date: Thu, 4 Dec 2014 05:09:57 -0800
From: Christoph Hellwig <hch@infradead.org>
To: Jan Kara <jack@suse.cz>
Cc: Dong Aisheng <dongas86@gmail.com>, tj@kernel.org, viro@zeniv.linux.org.uk,
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Subject: Re: WARNING: at fs/fs-writeback.c when plug out SD card after system
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On Thu, Dec 04, 2014 at 01:41:39PM +0100, Jan Kara wrote:
> We should fix bdi lifetime issues by making bdi live as long as the
> filesystem on top of it but someone has to find time to do that...

I've started that project a couple of times, but never managed to finish
it.  Let me try to resurrect it..