From patchwork Thu Mar 14 16:04:22 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Igor Konopko X-Patchwork-Id: 10853147 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 53A841669 for ; Thu, 14 Mar 2019 16:08:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3F95F2A5B4 for ; Thu, 14 Mar 2019 16:08:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 336A32A5C3; Thu, 14 Mar 2019 16:08:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DD3F82A5B4 for ; Thu, 14 Mar 2019 16:08:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726962AbfCNQIo (ORCPT ); Thu, 14 Mar 2019 12:08:44 -0400 Received: from mga04.intel.com ([192.55.52.120]:23567 "EHLO mga04.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726736AbfCNQIo (ORCPT ); Thu, 14 Mar 2019 12:08:44 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 14 Mar 2019 09:08:43 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.58,478,1544515200"; d="scan'208";a="134073188" Received: from gklab-107-059.igk.intel.com ([10.102.107.59]) by orsmga003.jf.intel.com with ESMTP; 14 Mar 2019 09:08:41 -0700 From: Igor Konopko To: mb@lightnvm.io, javier@javigon.com, hans.holmberg@cnexlabs.com Cc: linux-block@vger.kernel.org, igor.j.konopko@intel.com Subject: [PATCH 12/18] lightnvm: pblk: do not read OOB from emeta region Date: Thu, 14 Mar 2019 17:04:22 +0100 Message-Id: <20190314160428.3559-13-igor.j.konopko@intel.com> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20190314160428.3559-1-igor.j.konopko@intel.com> References: <20190314160428.3559-1-igor.j.konopko@intel.com> Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Emeta does not have corresponding OOB metadata mapping valid, so there is no need to try to recover L2P mapping from it. Signed-off-by: Igor Konopko --- drivers/lightnvm/pblk-recovery.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/lightnvm/pblk-recovery.c b/drivers/lightnvm/pblk-recovery.c index 4764596..2132260 100644 --- a/drivers/lightnvm/pblk-recovery.c +++ b/drivers/lightnvm/pblk-recovery.c @@ -479,6 +479,14 @@ static int pblk_recov_scan_oob(struct pblk *pblk, struct pblk_line *line, goto retry_rq; } + if (paddr >= line->emeta_ssec) { + /* + * We reach emeta region and we don't want + * to recover oob from emeta region. + */ + goto completed; + } + pblk_get_packed_meta(pblk, rqd); bio_put(bio); @@ -499,6 +507,7 @@ static int pblk_recov_scan_oob(struct pblk *pblk, struct pblk_line *line, if (left_ppas > 0) goto next_rq; +completed: #ifdef CONFIG_NVM_PBLK_DEBUG WARN_ON(padded && !pblk_line_is_full(line)); #endif