Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752380AbdFZKBR (ORCPT ); Mon, 26 Jun 2017 06:01:17 -0400 Received: from mail-wm0-f51.google.com ([74.125.82.51]:35998 "EHLO mail-wm0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751475AbdFZJ6h (ORCPT ); Mon, 26 Jun 2017 05:58:37 -0400 From: "=?UTF-8?q?Javier=20Gonz=C3=A1lez?=" X-Google-Original-From: =?UTF-8?q?Javier=20Gonz=C3=A1lez?= To: mb@lightnvm.io, axboe@fb.com Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, =?UTF-8?q?Javier=20Gonz=C3=A1lez?= , =?UTF-8?q?Matias=20Bj=C3=B8rling?= Subject: [PATCH 01/20] lightnvm: re-convert ppa format on I/O failure Date: Mon, 26 Jun 2017 11:57:10 +0200 Message-Id: <1498471049-25505-2-git-send-email-javier@cnexlabs.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1498471049-25505-1-git-send-email-javier@cnexlabs.com> References: <1498471049-25505-1-git-send-email-javier@cnexlabs.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1125 Lines: 38 In case of a failure when submitting a request, convert the ppa_list addresses to the target format so that it can interpret ppas for recovery Signed-off-by: Javier González Signed-off-by: Matias Bjørling --- drivers/lightnvm/core.c | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/lightnvm/core.c b/drivers/lightnvm/core.c index 440deb54031a..9ff348f69370 100644 --- a/drivers/lightnvm/core.c +++ b/drivers/lightnvm/core.c @@ -641,6 +641,7 @@ EXPORT_SYMBOL(nvm_max_phys_sects); int nvm_submit_io(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd) { struct nvm_dev *dev = tgt_dev->parent; + int ret; if (!dev->ops->submit_io) return -ENODEV; @@ -648,7 +649,12 @@ int nvm_submit_io(struct nvm_tgt_dev *tgt_dev, struct nvm_rq *rqd) nvm_rq_tgt_to_dev(tgt_dev, rqd); rqd->dev = tgt_dev; - return dev->ops->submit_io(dev, rqd); + + /* In case of error, fail with right address format */ + ret = dev->ops->submit_io(dev, rqd); + if (ret) + nvm_rq_dev_to_tgt(tgt_dev, rqd); + return ret; } EXPORT_SYMBOL(nvm_submit_io); -- 2.7.4