On Fri, Mar 30, 2012 at 9:50 AM, <zwu.ker...@gmail.com> wrote: > + * When all sync I/O drivers are converted to async I/O, it will be > restored > + * to the original state.
The problem here is that guess_disk_lchs() uses bdrv_read(), not whether device emulation uses sync or async I/O. Converting devices to async I/O will not fix this. Stefan
