[PATCH] libata: don't schedule EH on wcache on/off if old EH
authorTejun Heo <htejun@gmail.com>
Wed, 22 Nov 2006 03:39:43 +0000 (12:39 +0900)
committerJeff Garzik <jeff@garzik.org>
Tue, 28 Nov 2006 08:45:13 +0000 (03:45 -0500)
Do not schedule EH for revalidation on wcache on/off if old EH.  Old
EH cannot handle it and will result in WARN_ON()'s and oops.

This closes bug #7412.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

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