On Mon, Jul 11, 2022 at 06:11:11PM -0300, Leonardo Bras wrote: > If flush is called when no buffer was sent with MSG_ZEROCOPY, it currently > returns 1. This return code should be used only when Linux fails to use > MSG_ZEROCOPY on a lot of sendmsg(). > > Fix this by returning early from flush if no sendmsg(...,MSG_ZEROCOPY) > was attempted. > > Fixes: 2bc58ffc2926 ("QIOChannelSocket: Implement io_writev zero copy flag & > io_flush for CONFIG_LINUX") > Signed-off-by: Leonardo Bras <leob...@redhat.com> > Reviewed-by: Daniel P. Berrangé <berra...@redhat.com> > Acked-by: Daniel P. Berrangé <berra...@redhat.com> > Reviewed-by: Juan Quintela <quint...@redhat.com>
Reviewed-by: Peter Xu <pet...@redhat.com> -- Peter Xu