On Mon, Jun 13, 2011 at 12:26 PM, Stefan Hajnoczi <stefa...@gmail.com> wrote: > The optimization is to check allocation metadata instead of > unconditionally reading and then checking for all zeroes? Yeah, exactly.
On Mon, Jun 13, 2011 at 12:26 PM, Stefan Hajnoczi <stefa...@gmail.com> wrote: > Why introduce a new constant instead of using BDRV_SECTOR_SIZE? OK, I'll fix this. On Mon, Jun 13, 2011 at 12:26 PM, Stefan Hajnoczi <stefa...@gmail.com> wrote: > "iff" is not a typo. It means "if and only if". Sorry, I don't know English so good. :) Will revert this. On Mon, Jun 13, 2011 at 12:26 PM, Stefan Hajnoczi <stefa...@gmail.com> wrote: > I think the recursive is_allocated() needs its own function. This > function is already long/complex enough :). I haven't done this because in this case I have to pass too lot of local variables to this function. Just not sure that it'll look better. But if you mind I surely can do this. -- Dmitry Konishchev mailto:konishc...@gmail.com
