Matt Jacob e95725cb76 Most of these changes to isp are to allow for isp.ko unloading.
We also revive loop down freezes. We also externaliz within isp
isp_prt_endcmd so something outside the core module can print
something about a command completing. Also some work in progress to
assist in handling timed out commands better.

Partially Sponsored by: Panasas
Approved by:	re (kib)
MFC after:	1 month
2011-08-13 23:34:17 +00:00
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