[dm-devel] Re: Help tracking down problem --- endless loop in __find_get_block_slow

[Andrew Morton]

"Thomas S. Iversen" <zensonic at zensonic.dk> wrote:
>
> > I'd be suspecting that the sector remapping is the cause of the problem. 
> > How is it implemented?
> 
> Quite simple actually. You're most welcome to see the code, but I have 
> just done a test like the one below. Never mind the performance figures, 
>   correctness comes as a very first priority. It does not block, cause 
> endless loops or anything funny if I take the filsystem out of the 
> question and access the raw devicemapped block device.
> 
> This should assert that it is not a fault in my code, right?

I don't know.   Can you describe how your driver implements the remapping?