static int ldlm_callback_reply(struct ptlrpc_request *req, int rc)
{
if (req->rq_no_reply)
return 0;
req->rq_status = rc;
if (!req->rq_packed_final) {
rc = lustre_pack_reply(req, 1, NULL, NULL);
if (rc)
return rc;
}
return ptlrpc_reply(req);
}
/**
* For request \a req send an error reply back. Create empty
* reply buffers if necessary.
*/
int ptlrpc_send_error(struct ptlrpc_request *req, int may_be_difficult)
{
int rc;
if (req->rq_no_reply)
return 0;
if (!req->rq_repmsg) {
rc = lustre_pack_reply(req, 1, NULL, NULL);
if (rc)
return rc;
}
if (req->rq_status != -ENOSPC && req->rq_status != -EACCES &&
req->rq_status != -EPERM && req->rq_status != -ENOENT &&
req->rq_status != -EINPROGRESS && req->rq_status != -EDQUOT)
req->rq_type = PTL_RPC_MSG_ERR;
rc = ptlrpc_send_reply(req, may_be_difficult);
return rc;
}