From: Stefan Richter <stefanr@s5r6.in-berlin.de>
To: Jarkko Lavinen <jarkko.lavinen@nokia.com>
Cc: Jens Axboe <axboe@kernel.dk>,
linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org
Subject: Re: [PATCH 1/2] Disk hot removal causing oopses and fixes
Date: Wed, 21 Oct 2009 23:19:41 +0200 [thread overview]
Message-ID: <4ADF7AED.2030506@s5r6.in-berlin.de> (raw)
In-Reply-To: <4ADF752D.7010206@s5r6.in-berlin.de>
Stefan Richter wrote:
> I dare say without knowing the MMC and block system: It is not a
> locking issue, it is a reference counting issue.
[...]
> The whole secret is not to forget to count _all_ references.
PS, in case that it might be needed: Sometimes a low level wants to
wait for the moment until its upper level users went away. Reference
counting is then coupled with constructs like wait_for_completion then.
--
Stefan Richter
-=====-==--= =-=- =-=-=
http://arcgraph.de/sr/
next prev parent reply other threads:[~2009-10-21 21:19 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-10-21 16:12 [PATCH 1/2] Disk hot removal causing oopses and fixes Jarkko Lavinen
2009-10-21 16:14 ` [PATCH 2/2] " Jarkko Lavinen
2009-10-21 20:55 ` [PATCH 1/2] " Stefan Richter
2009-10-21 21:19 ` Stefan Richter [this message]
2009-11-03 11:54 ` Jarkko Lavinen
2009-11-03 19:51 ` Stefan Richter
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