On Wed, Jun 15, 2011 at 8:38 AM, Dmitry Konishchev <konishc...@gmail.com> wrote: > On Tue, Jun 14, 2011 at 7:58 PM, Stefan Hajnoczi <stefa...@gmail.com> wrote: >> Yes, please. > > OK, I'll do it as soon I'll find time for it. > > > On Tue, Jun 14, 2011 at 7:58 PM, Stefan Hajnoczi <stefa...@gmail.com> wrote: >> For image files the block layer should be caching the device capacity (size) >> anyway, so you probably don't need to allocate the array, just call >> bdrv_get_geometry(). That might make it easier to write a self-contained >> function. > > I've tried to not cache, but it turned out that bdrv_get_geometry() > calls are quite noticeable in profiler without caching.
Why is bdrv_get_geometry() slow? Stefan
