Re: I request inclusion of reiser4 in the mainline kernel

Nikita Danilov wrote:

>Hans Reiser writes:
> > Horst von Brand wrote:
> > 
> > >
> > >
> > >Funny that the "texbook algorithms" aren't used in real life. Wonder why...
> > >  
> > >
> > Try BSD.  If the BSD book can be believed, they use"texbook algorithms".
>
>The "textbook" one-way elevator (as indeed exemplified by FreeBSD's
>src/sys/kern/subr_disk.c:bioq_disksort()) has well-known weaknesses. For
>example,
>
>    dd if=/dev/zero of=FILE
>
>can easily monopolize device queue and starve accesses to the blocks
>with low block numbers.
>
> > 
> > ;-)
>
>Nikita.
>
>
>  
>
Yes, and one can compensate for them  fairly cleanly.  I can't say more
without the customer releasing the code first.
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