From: Tejun Heo <tj@kernel.org>
To: Jan Kara <jack@suse.cz>
Cc: Ulf Hansson <ulf.hansson@linaro.org>,
Dong Aisheng <dongas86@gmail.com>,
viro@zeniv.linux.org.uk, linux-fsdevel@vger.kernel.org,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.or>,
Dong Aisheng-B29396 <b29396@freescale.com>,
r64343@freescale.com
Subject: Re: WARNING: at fs/fs-writeback.c when plug out SD card after system suspend/resume
Date: Thu, 4 Dec 2014 09:16:25 -0500 [thread overview]
Message-ID: <20141204141625.GA15219@htj.dyndns.org> (raw)
In-Reply-To: <20141204140835.GA15108@quack.suse.cz>
Hello,
On Thu, Dec 04, 2014 at 03:08:35PM +0100, Jan Kara wrote:
> Yeah, but for the filesystem on top it doesn't really matter. Filesystems
> simply don't expect underlying structures can disappear. Changing all
> filesystems to deal with that would be too difficult so we have to make bdi
> stay in memory as needed and just detach it from the device (request queue)
> which goes away.
Wouldn't it be better to concentrate lifetime management to
request_queue instead of inserting another severance layer between bdi
and request_queue?
Thanks.
--
tejun
next prev parent reply other threads:[~2014-12-04 14:16 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-04 3:43 WARNING: at fs/fs-writeback.c when plug out SD card after system suspend/resume Dong Aisheng
2014-12-04 12:41 ` Jan Kara
2014-12-04 13:09 ` Christoph Hellwig
2014-12-04 13:36 ` Ulf Hansson
2014-12-04 14:08 ` Jan Kara
2014-12-04 14:16 ` Tejun Heo [this message]
2014-12-04 14:31 ` Jan Kara
2014-12-05 2:54 ` Dong Aisheng
-- strict thread matches above, loose matches on Subject: below --
2014-12-04 3:46 Dong Aisheng
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