What is geom_start() and struct bio contract?

[Lev Serebryakov]

Hello, Freebsd-geom.
You wrote 2 октября 2011 г., 16:56:30:

>  I'm completely puzzled, how does it work at all! Many GEOMs set
>  bio_done to their done utilities, and then submit bio with
>  g_io_request() and it seems to work! But why?! I could not understand
>  this from quoted code!
  ok, biodone() calls this unconditionally, I need more broad grep area
 :)

-- 
// Black Lion AKA Lev Serebryakov <lev at FreeBSD.org>