On 28/07/2015 06:09, Fam Zheng wrote: > On Mon, 07/27 13:54, Paolo Bonzini wrote: >> This was needed when qemu-nbd was using qemu_set_fd_handler2. It is >> not needed anymore now that nbd_update_server_fd_handler is called >> whenever nbd_can_accept() can change from false to true. >> nbd_update_server_fd_handler will call qemu_set_fd_handler(), >> which will call qemu_notify_event(). >> >> Signed-off-by: Paolo Bonzini <pbonz...@redhat.com> >> --- >> qemu-nbd.c | 1 - >> 1 file changed, 1 deletion(-) >> >> diff --git a/qemu-nbd.c b/qemu-nbd.c >> index 5106b80..d9644b2 100644 >> --- a/qemu-nbd.c >> +++ b/qemu-nbd.c >> @@ -362,7 +362,6 @@ static void nbd_client_closed(NBDClient *client) >> state = TERMINATE; >> } >> nbd_update_server_fd_handler(server_fd); >> - qemu_notify_event(); >> nbd_client_put(client); >> } >> >> -- >> 2.4.3 >> >> > > Reviewed-by: Fam Zheng <f...@redhat.com> > > A question not related to this patch: unlike aio_set_fd_handler, > qemu_set_fd_handler doesn't call qemu_notify_event for the "delete" branch. Is > that intended?
Yes. In fact I think qemu_notify_event() is not needed at all in qemu_set_fd_handler() because there are no concurrent ppoll() calls during a qemu_set_fd_handler(). Paolo