Am 01.04.2011 17:15, schrieb Lyu Mitnick: > Hello Stefan > > Hello Mitnick, > > asynchronous i/o is also missing in block/vpc.c. > > All newer block drivers support asynchronous reads and writes, > only some old drivers don't. > > So adding asynchronous i/o to at least some of the old drivers > would improve their usability. > > Look for "aio" in block/*.c to get a starting point. > > Regards > Stefan (W.) > > > I look for "aio" in block/*.c as a starting point of asynchronous i/o. > And I > found that there isn't any "aio" keywords in block/vmdk.c. block/vmdk.c > is used as block driver for the VMDK format. Is it means that asynchronous > i/o is also missing in VMDK format?
Yes, the VMDK implementation is completely synchronous. Kevin
