Matt Jacob 5819b85009 Add SYSCTL ints for default normal I/O timeout && retry counts.
This is useful if you want to dynamically move into a Fibre Channel
or Multi-initiator environment that happens to be particularly noisy
and ugly that requires a lot of retries (with shorter I/O timeouts)
for commands destried by LIPs or Bus Resets.

Reviewed by:	deafening silence on audit && scsi on the retry counts
MFC after:	2 weeks
2001-07-09 19:18:00 +00:00
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