Re: [PATCH 1/5 v2] blk-mq: Add prep/unprep support

[Matias Bjorling]

> On Sat, Apr 18, 2015 at 08:45:19AM +0200, Matias Bjorling wrote:
<snip>
> > The reason it shouldn't be under the a single block device, is that a target
> > should be able to provide a global address space.
> > That allows the address
> > space to grow/shrink dynamically with the disks. Allowing a continuously
> > growing address space, where disks can be added/removed as requirements grow
> > or flash ages. Not on a sector level, but on a flash block level.
>
> I don't understand what you mean with a single block device here, but I
> suspect we're talking past each other somehow.

Sorry. I meant that several block devices should form a single address 
space (exposed as a single block device), consisting of all the flash 
blocks. Applications could then get/put from that.

Thanks for your feedback. I'll push the pieces around and make the 
integration self-contained outside of the block layer.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/