off_t size;
uint32_t nbdflags;
QTAILQ_HEAD(, NBDClient) clients;
- QSIMPLEQ_HEAD(, NBDRequest) requests;
QTAILQ_ENTRY(NBDExport) next;
};
assert(client->nb_requests <= MAX_NBD_REQUESTS - 1);
client->nb_requests++;
- if (QSIMPLEQ_EMPTY(&exp->requests)) {
- req = g_malloc0(sizeof(NBDRequest));
- req->data = qemu_blockalign(exp->bs, NBD_BUFFER_SIZE);
- } else {
- req = QSIMPLEQ_FIRST(&exp->requests);
- QSIMPLEQ_REMOVE_HEAD(&exp->requests, entry);
- }
+ req = g_slice_new0(NBDRequest);
+ req->data = qemu_blockalign(exp->bs, NBD_BUFFER_SIZE);
nbd_client_get(client);
req->client = client;
return req;
static void nbd_request_put(NBDRequest *req)
{
NBDClient *client = req->client;
- QSIMPLEQ_INSERT_HEAD(&client->exp->requests, req, entry);
+
+ qemu_vfree(req->data);
+ g_slice_free(NBDRequest, req);
+
if (client->nb_requests-- == MAX_NBD_REQUESTS) {
qemu_notify_event();
}
void (*close)(NBDExport *))
{
NBDExport *exp = g_malloc0(sizeof(NBDExport));
- QSIMPLEQ_INIT(&exp->requests);
exp->refcount = 1;
QTAILQ_INIT(&exp->clients);
exp->bs = bs;
exp->close(exp);
}
- while (!QSIMPLEQ_EMPTY(&exp->requests)) {
- NBDRequest *first = QSIMPLEQ_FIRST(&exp->requests);
- QSIMPLEQ_REMOVE_HEAD(&exp->requests, entry);
- qemu_vfree(first->data);
- g_free(first);
- }
-
g_free(exp);
}
}