Re: CVS commit: src/sys/dev

[yamt%mwd.biglobe.ne.jp@localhost (YAMAMOTO Takashi)]

> Module Name:  src
> Committed By: christos
> Date:         Mon Mar  5 02:55:32 UTC 2007
> 
> Modified Files:
>       src/sys/dev: vnd.c
> 
> Log Message:
> Fix compression problem from Cliff Wright:
>   Break one: because b_cylinder, and b_resid are one and the same.
> The work the routine was commented as being its primary function,
> end of patition adjustment, is wiped out, as at the end of
> the routine b_cylinder is set, splat, doing a wipe out of the adjustment
> to b_resid.
>   Break two: When doing the adjustment, a block count is created from a
> byte count, a block calculation is done, then the results are compared to
> the original byte count. i.e. apples to oranges, not blocks to blocks,
> but blocks to bytes.
>   Break three: since if all the other drivers that used this routine
> would have broken as vnd compress did, I must assume they always ignored
> the results of this routine. So if end of patition adjustment is
> really required then all these other drivers have been broken for a
> long time.

which "routine" are you talking about?

YAMAMOTO Takashi