On Fri, Oct 7, 2011 at 7:46 AM, Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com> wrote: > cache=writethrough implies the file are opened in the host with O_SYNC open > flag > > Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com> > --- > fsdev/file-op-9p.h | 1 + > fsdev/qemu-fsdev.c | 10 ++++++++-- > fsdev/qemu-fsdev.h | 2 ++ > hw/9pfs/virtio-9p-device.c | 5 +++++ > hw/9pfs/virtio-9p.c | 24 ++++++++++++++++++------ > qemu-config.c | 6 ++++++ > qemu-options.hx | 17 ++++++++++++----- > vl.c | 6 ++++++ > 8 files changed, 58 insertions(+), 13 deletions(-)
When would this be used? For serving up vanilla 9P? I think 9P.u and 9P.l have support for fsync(2) while vanilla 9P does not. Stefan
