On Thu, Dec 12, 2019 at 04:38:56PM +0000, Dr. David Alan Gilbert (git) wrote: > From: Vivek Goyal <vgo...@redhat.com> > > If an application wants to do direct IO and opens a file with O_DIRECT > in guest, that does not necessarily mean that we need to bypass page > cache on host as well. So reset this flag on host. > > If somebody needs to bypass page cache on host as well (and it is safe to > do so), we can add a knob in daemon later to control this behavior. > > I check virtio-9p and they do reset O_DIRECT flag. > > Signed-off-by: Vivek Goyal <vgo...@redhat.com> > --- > tools/virtiofsd/passthrough_ll.c | 14 ++++++++++++++ > 1 file changed, 14 insertions(+)
Reviewed-by: Daniel P. Berrangé <berra...@redhat.com> Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
