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[2620:137:e000::1:20]) by mx.google.com with ESMTP id o6-20020a17090611c600b008c7986cbd76si26459605eja.745.2023.03.27.15.16.43; Mon, 27 Mar 2023 15:17:09 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; dkim=pass header.i=@infradead.org header.s=bombadil.20210309 header.b="CWo/KRbJ"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230206AbjC0WN1 (ORCPT + 99 others); Mon, 27 Mar 2023 18:13:27 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47844 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229534AbjC0WN0 (ORCPT ); Mon, 27 Mar 2023 18:13:26 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 77BD210A; Mon, 27 Mar 2023 15:13:24 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=In-Reply-To:Content-Type:MIME-Version :References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=iolzSzHh8n1CsNhfREBZRStuKpd7zD3j7lH/ZUf3b3Y=; b=CWo/KRbJQSthmOofYomyRE0UwP x+RmdqNsxioFiDK/MRIt3GxbDBwkssa2X1j3WPqTxG1qjFm40Z5moeM62HPrnP5YUvYkOuHZM5sXM L27qh5RgvZn/IlIY9dz/7V5CB+qwuZd1CJ5THt/B1xnH+WmmTnrsphNBWE9+f+uGZ5geqiF8rGIE8 1jTlv+4d4qU8WdM9wQH8W7tQx+UaQGQVVbI6sQyLmJbNuimBw2zGbmuaPo41C6OGmGK5MD8UY9RGD 6KsUl6QQN4BB28m6u718DW3pynpsjKWiJGqLagJzGmD6jJVdHGOF7o0SvG9UAP7zE/ujQjX7D0FW9 ML/M3uSQ==; Received: from hch by bombadil.infradead.org with local (Exim 4.96 #2 (Red Hat Linux)) id 1pgv5g-00CVFQ-0t; Mon, 27 Mar 2023 22:13:24 +0000 Date: Mon, 27 Mar 2023 15:13:24 -0700 From: Christoph Hellwig To: Akinobu Mita Cc: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, akpm@linux-foundation.org, axboe@kernel.dk Subject: Re: [PATCH 0/2] block: null_blk: make fault-injection configurable via configfs Message-ID: References: <20230327143733.14599-1-akinobu.mita@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230327143733.14599-1-akinobu.mita@gmail.com> X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html X-Spam-Status: No, score=-2.5 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Mar 27, 2023 at 11:37:31PM +0900, Akinobu Mita wrote: > This patch set makes null_blk driver-specific fault-injection dynamically > configurable per device via configfs. > > Since the null_blk driver supports configuration such as device creation > via configfs, it is natural to configure fault-injection via configfs as > well. > > Currently, only the debugfs interface is provided for dynamically > configuring fault-injection, so this introduces a compatible interface via > configfs. Oh, nice. Can you also update blktests to take advantage of this and not require built-in null_blk for fault injection tests?