block/nbd: drop nbd_have_request()

.io_flush() is no longer called so drop nbd_have_request().  We cannot
drop in_flight since it is still used by other block/nbd.c code.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
This commit is contained in:
Stefan Hajnoczi 2013-04-11 17:15:03 +02:00
parent 94473d0c06
commit bed2e759eb

View file

@ -279,13 +279,6 @@ static void nbd_coroutine_start(BDRVNBDState *s, struct nbd_request *request)
request->handle = INDEX_TO_HANDLE(s, i);
}
static int nbd_have_request(void *opaque)
{
BDRVNBDState *s = opaque;
return s->in_flight > 0;
}
static void nbd_reply_ready(void *opaque)
{
BDRVNBDState *s = opaque;
@ -342,7 +335,7 @@ static int nbd_co_send_request(BDRVNBDState *s, struct nbd_request *request,
qemu_co_mutex_lock(&s->send_mutex);
s->send_coroutine = qemu_coroutine_self();
qemu_aio_set_fd_handler(s->sock, nbd_reply_ready, nbd_restart_write,
nbd_have_request, s);
NULL, s);
if (qiov) {
if (!s->is_unix) {
socket_set_cork(s->sock, 1);
@ -362,7 +355,7 @@ static int nbd_co_send_request(BDRVNBDState *s, struct nbd_request *request,
rc = nbd_send_request(s->sock, request);
}
qemu_aio_set_fd_handler(s->sock, nbd_reply_ready, NULL,
nbd_have_request, s);
NULL, s);
s->send_coroutine = NULL;
qemu_co_mutex_unlock(&s->send_mutex);
return rc;
@ -439,7 +432,7 @@ static int nbd_establish_connection(BlockDriverState *bs)
* kick the reply mechanism. */
qemu_set_nonblock(sock);
qemu_aio_set_fd_handler(sock, nbd_reply_ready, NULL,
nbd_have_request, s);
NULL, s);
s->sock = sock;
s->size = size;