An upcoming change to block/nbd-client.c will want to read the
tail of a structured reply chunk directly from the wire. Move
this function to make it easier.
Based on a patch from Vladimir Sementsov-Ogievskiy.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Message-Id: <
20171027104037.8319-12-eblake@redhat.com>
void nbd_server_start(SocketAddress *addr, const char *tls_creds,
Error **errp);
+
+/* nbd_read
+ * Reads @size bytes from @ioc. Returns 0 on success.
+ */
+static inline int nbd_read(QIOChannel *ioc, void *buffer, size_t size,
+ Error **errp)
+{
+ return qio_channel_read_all(ioc, buffer, size, errp) < 0 ? -EIO : 0;
+}
+
static inline bool nbd_reply_is_simple(NBDReply *reply)
{
return reply->magic == NBD_SIMPLE_REPLY_MAGIC;
return ret;
}
-/* nbd_read
- * Reads @size bytes from @ioc. Returns 0 on success.
- */
-static inline int nbd_read(QIOChannel *ioc, void *buffer, size_t size,
- Error **errp)
-{
- return qio_channel_read_all(ioc, buffer, size, errp) < 0 ? -EIO : 0;
-}
-
/* nbd_write
* Writes @size bytes to @ioc. Returns 0 on success.
*/