Re: [PATCH 7/9] exofs: mkexofs

[Alan Cox <alan@lxorguk.ukuu.org.uk>]

> It seems unlikely drive manufacturers would get excited about a 
> sub-optimal solution that does not even approach using the full 
> potential of the product.

You forgot the more important people

Mr Customer, would you like your data centre to use a new magic OSD fs or
the existing one you trust.

Now in my experience that is a *dumb* question because the answer is
obvious...

> Plus, given the existence of an OSD-specific filesystem (exofs, at the 
> very least), it seems unlikely that end users who own OSDs would choose 
> the sub-optimal solution when an OSD-specific filesystem exists.

Actually until you can show zillions of users stably using them the
people with the money won't buy them in the first place 8)

> > ready for the consumer market until 2011.  That's not really going to
> > convince the disk vendors that OSD based devices should be marketed
> > today.
> 
> And you have a similar sales job and lag time, when hacking -- read 
> destabilizing -- a filesystem to work with OSDs as well as sector-based 
> devices.

2011 sounds optimistic for major OSD adoption in any space except for
flash storage where OSD type knowledge means you can do much better jobs
on erase management.