From patchwork Fri Mar 4 16:27:04 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wenwei Tao X-Patchwork-Id: 8506001 X-Patchwork-Delegate: axboe@kernel.dk Return-Path: X-Original-To: patchwork-linux-block@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 6E1F59F38C for ; Fri, 4 Mar 2016 16:29:53 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 947E4200E8 for ; Fri, 4 Mar 2016 16:29:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id AB9A720034 for ; Fri, 4 Mar 2016 16:29:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760214AbcCDQ2L (ORCPT ); Fri, 4 Mar 2016 11:28:11 -0500 Received: from mail-pf0-f171.google.com ([209.85.192.171]:34615 "EHLO mail-pf0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759494AbcCDQ2G (ORCPT ); Fri, 4 Mar 2016 11:28:06 -0500 Received: by mail-pf0-f171.google.com with SMTP id 4so37873995pfd.1; Fri, 04 Mar 2016 08:28:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id; bh=ifFrcUafA4T0W0HmSmkww0YIge6LLrAiH4LEiJ19FTY=; b=ygPYdPA+FDEAnb7GBFdHfobsqwmbt4CFltAbJChkkiewA8TevUWQU8jWTo/diSwzoE xXYx9AtepeOvzEuVOW+MFdSDdQp5mOQbY+UB1XLZeWkDdY3Sb5sW3XEOd/ahcEay9VmH lX62lzGckJJy23SyHw08Krrfjt6+S7F9XyIO/vgLumxIYd6sRfanJnnl/8OhFag5ClAN jLImgpfJS/FK70v5KDV5nwYopx8rJ9RvCTltOsfWGD0vhV0oktnM59mKWZU7X/ft0PEt 40k2uz+EzFnfAmh9VMQnqEC5gC7UwjwhEL8AvxKB7Yu9CeUka/WpZJfBvdN9/3wPPhY+ DGGw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=ifFrcUafA4T0W0HmSmkww0YIge6LLrAiH4LEiJ19FTY=; b=O5WbnvOl5dUaoqhAOC4EO7c0Ff4Kl7icSHCgM4lrkP4b+iE9qRKY2hM0kzYfXx4SCE te8OLY1YiXKGCa035jSKCPe1WB111Het4+L/Z9TuOGnFR8IkhWnU13cIf54U04QS2qG6 tgDA7QlC7j7LqfTkH5xMRwCHl66SJuVSwD1afL8aQyG4Cj4y5VQlj108pr8FWcfzqgJq mSgb4V12Kzs6y0qBAccjX3zwq/Dpp01/6/2LGtJfowwtOZorNf0JYVkk+PldkaEzomSE sPQojHdRyfyQQiR3Kz4pZ+vEM4XyMIarLx/MN4hx27S7/kw4cb72f7c/sc18t00XquJG LEYQ== X-Gm-Message-State: AD7BkJL88Bxaqb3TECTGLqrncCdI74g8Gu6tHCMPMXUKZuELAVlQRtvumb+E/6+MUBWgTw== X-Received: by 10.98.71.203 with SMTP id p72mr1525050pfi.165.1457108885450; Fri, 04 Mar 2016 08:28:05 -0800 (PST) Received: from localhost.localdomain ([2002:72fa:58f7::72fa:58f7]) by smtp.gmail.com with ESMTPSA id l62sm6643646pfj.7.2016.03.04.08.28.01 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 04 Mar 2016 08:28:04 -0800 (PST) From: Wenwei Tao To: axboe@fb.com Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org Subject: [PATCH] null_blk: add lightnvm null_blk device to the nullb_list Date: Sat, 5 Mar 2016 00:27:04 +0800 Message-Id: <1457108824-3792-1-git-send-email-ww.tao0320@gmail.com> X-Mailer: git-send-email 2.7.0.windows.2 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org X-Spam-Status: No, score=-6.8 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=ham version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP After register null_blk devices into lightnvm, we forget to add these devices to the the nullb_list, makes them invisible to the null_blk driver. Signed-off-by: Wenwei Tao --- drivers/block/null_blk.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c index 64a7b59..cab9759 100644 --- a/drivers/block/null_blk.c +++ b/drivers/block/null_blk.c @@ -742,10 +742,11 @@ static int null_add_dev(void) add_disk(disk); +done: mutex_lock(&lock); list_add_tail(&nullb->list, &nullb_list); mutex_unlock(&lock); -done: + return 0; out_cleanup_lightnvm: