From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751811AbcEKMIs (ORCPT ); Wed, 11 May 2016 08:08:48 -0400 Received: from mail-wm0-f51.google.com ([74.125.82.51]:36049 "EHLO mail-wm0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751386AbcEKMIr (ORCPT ); Wed, 11 May 2016 08:08:47 -0400 From: "=?UTF-8?q?Javier=20Gonz=C3=A1lez?=" X-Google-Original-From: =?UTF-8?q?Javier=20Gonz=C3=A1lez?= To: mb@lightnvm.io Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, =?UTF-8?q?Javier=20Gonz=C3=A1lez?= Subject: [PATCH] lightnvm: clear reserved bit on generic addr Date: Wed, 11 May 2016 14:08:26 +0200 Message-Id: <1462968506-9292-1-git-send-email-javier@cnexlabs.com> X-Mailer: git-send-email 2.5.0 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 When an address is converted from device to generic mode, the reserved bit needs to be cleared in order to signal that the address points to a flash block, not to a cacheline on the write buffer. Signed-off-by: Javier González --- include/linux/lightnvm.h | 3 +++ 1 file changed, 3 insertions(+) diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h index 45be892..3d2c380 100644 --- a/include/linux/lightnvm.h +++ b/include/linux/lightnvm.h @@ -418,6 +418,9 @@ static inline struct ppa_addr dev_to_generic_addr(struct nvm_dev *dev, l.g.ch |= (r.ppa >> dev->ppaf.ch_offset) & (((1 << dev->ppaf.ch_len) - 1)); + /* On device side, reserved bit is always 0 */ + l.g.reserved = 0; + return l; } -- 2.5.0