Hi, On Mon, 3 Dec 2007, Fabrice Bellard wrote:
> Laurent Vivier wrote: > > This patch enhances the "-drive ,cache=off" mode with IDE drive emulation > > by removing the buffer used in the IDE emulation. > > --- > > block.c | 10 +++ > > block.h | 2 block_int.h | 1 cpu-all.h | 1 exec.c | > > 19 ++++++ > > hw/ide.c | 176 > > +++++++++++++++++++++++++++++++++++++++++++++++++++++++++--- > > vl.c | 1 7 files changed, 204 insertions(+), 6 deletions(-) > > What's the use of keeping the buffered case ? AFAICT if your guest is DOS without a disk caching driver, you do not really want to use O_DIRECT. Ciao, Dscho