From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752545AbcFNQKe (ORCPT ); Tue, 14 Jun 2016 12:10:34 -0400 Received: from smtp.opengridcomputing.com ([72.48.136.20]:41676 "EHLO smtp.opengridcomputing.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752345AbcFNQKc (ORCPT ); Tue, 14 Jun 2016 12:10:32 -0400 From: "Steve Wise" To: "'Sagi Grimberg'" , "'Christoph Hellwig'" , , , Cc: , , , "'Armen Baloyan'" , "'Jay Freyensee'" , "'Ming Lin'" , References: <1465248215-18186-1-git-send-email-hch@lst.de> <1465248215-18186-5-git-send-email-hch@lst.de> <5756B75C.9000409@lightbits.io> <057a01d1c2a3$3082eec0$9188cc40$@opengridcomputing.com> In-Reply-To: <057a01d1c2a3$3082eec0$9188cc40$@opengridcomputing.com> Subject: RE: [PATCH 4/5] nvmet-rdma: add a NVMe over Fabrics RDMA target driver Date: Tue, 14 Jun 2016 11:10:34 -0500 Message-ID: <00f501d1c657$483a74e0$d8af5ea0$@opengridcomputing.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Outlook 14.0 Thread-Index: AQHsnHT7Ltc2grgyk+cl8PWzIpbndQLyURyqAT0isz0BMxfF55+IYEgw Content-Language: en-us Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > > The above nvmet cm event handler, nvmet_rdma_cm_handler(), calls > nvmet_rdma_queue_connect() for CONNECT_REQUEST events, which calls > nvmet_rdma_alloc_queue (), which, if it encounters a failure (like creating > the qp), calls nvmet_rdma_cm_reject () which calls rdma_reject(). The > non-zero error, however, gets returned back here and this function returns > the error to the RDMA_CM which will also reject the connection as well as > destroy the cm_id. So there are two rejects happening, I think. Either > nvmet should reject and destroy the cm_id, or it should do neither and > return non-zero to the RDMA_CM to reject/destroy. > > Steve. > Hey Sean, Am I correct here? IE: Is it ok for the rdma application to rdma_reject() and rmda_destroy_id() the CONNECT_REQUEST cm_id _inside_ its event handler as long as it returns 0? Thanks, Steve.