Alexander Motin 718724fd0d Fix I/O freezes in some cases, caused by r257916.
Delaying isp_reqodx update, we should be ready to update it every time
we read it.  Otherwise requests using several indexes may be requeued
ndefinitely without ever updating the variable.

MFC after:	3 days
2014-02-05 16:22:02 +00:00
..