From:  <jejb@titanic.il.steeleye.com>
Date: Tue, 12 Apr 2005 21:38:09 +0000 (-0500)
Subject: updates for CFQ oops fix
X-Git-Tag: v2.6.12-rc3~42
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c2a9331c62216e222a08de8dd58559367fef0af6;p=pandora-kernel.git

updates for CFQ oops fix

- add a comment to the device structure that the device_busy field
  is now protected by the request_queue->queue_lock
- null out sdev->request_queue after the queue is released to trap
  any (and there shouldn't be any) use after the queue is freed.

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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