K 10
svn:author
V 3
mav
K 8
svn:date
V 27
2019-04-02T14:46:10.981994Z
K 7
svn:log
V 210
Unify SCSI_STATUS_BUSY retry handling with other cases.

 - Do not retry if periph was invalidated.
 - Do not decrement retry_count if already zero.
 - Report action_string when applicable.

MFC after:	2 weeks

END