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[2620:137:e000::1:20]) by mx.google.com with ESMTP id g18-20020a50ee12000000b004fd2a8b4962si27696625eds.132.2023.03.27.07.49.39; Mon, 27 Mar 2023 07:50:04 -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=@gmail.com header.s=20210112 header.b=BSndx8qI; 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; dmarc=pass (p=NONE sp=QUARANTINE dis=NONE) header.from=gmail.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232459AbjC0OiE (ORCPT + 99 others); Mon, 27 Mar 2023 10:38:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38980 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230300AbjC0OiD (ORCPT ); Mon, 27 Mar 2023 10:38:03 -0400 Received: from mail-pj1-x1031.google.com (mail-pj1-x1031.google.com [IPv6:2607:f8b0:4864:20::1031]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E8B3CA1; Mon, 27 Mar 2023 07:38:02 -0700 (PDT) Received: by mail-pj1-x1031.google.com with SMTP id h12-20020a17090aea8c00b0023d1311fab3so9069786pjz.1; Mon, 27 Mar 2023 07:38:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; t=1679927881; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=iB5VRGwqZoq2fF9ROxypLFZocQBlm0YBSqR98fBn96s=; b=BSndx8qIUBxBgf4/iQK3FJju6oQiaTbpSI+60AsUhWI9pyqDu6EaX6fOr0CNc7Sd0/ 6rRFip34R5hds8iokkmpN5+apLOMALQ8ZAW/GKrfj42OkiRcvIYdGcds2b7qEvoLsivA x6DPFSBT1R8dcGVuxmB8yoi6zwxoLnO2tfNd2e7g33/0ENn9VEoO5s5rl11SLVtumt50 +PDHytN2qExWTdViLA0JCaJEFL1qFnJBoZ0sfrYgtGudQM/vUN/Pi5CKctxEVbJXioe3 iWtnr5guv7jIJLBXU3PshnGR40n0tTW4Y8BnHtZlB5h4C1TGeQs0DO9OpqrKjeh21gm/ 4nag== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1679927881; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=iB5VRGwqZoq2fF9ROxypLFZocQBlm0YBSqR98fBn96s=; b=cpK7tcAzAUxNzBda3hpXU2FVpMwiAOXbr6GDNJCDe5B2kQ0MEgvNDr7oGgTYdb8Bpt /FSHLwsemWyDwg2HMH7WsRaAkKucLMUjZiOem1UAS6CAqEyWT8NvrPT1aIYK5KHogWs3 ybeqvneN5DwBtQN7BYV2F8++TrWCNjCC27R4deMN+7/ZmBTVs/3EF2l+fE4G8GmWCubd KXu6K9d6GRkvvwE8RIbrTfPcKElfP+5yTMlRaiT4DzCnKMxruBSxVjJcdTWziRaX7msY 0/6agThM52gSM+WWIxP92osVjLFms58vqPQru1opqo04pXVEQpTwZZ8gg0pr7m7RfwaK mmrQ== X-Gm-Message-State: AO0yUKX325I3rPAU3pfj+f0PF9313kTtxulGOsx0BMvFlf18gByIZZdz CJf9EWkJ4dkYlL3v406vg7YFlzwCy+w= X-Received: by 2002:a05:6a20:1e4d:b0:da:144:92a8 with SMTP id cy13-20020a056a201e4d00b000da014492a8mr11087822pzb.37.1679927881450; Mon, 27 Mar 2023 07:38:01 -0700 (PDT) Received: from localhost.localdomain ([240f:34:212d:1:b47c:3979:4a3b:2b03]) by smtp.gmail.com with ESMTPSA id u16-20020aa78490000000b00627df85cd72sm17204404pfn.199.2023.03.27.07.37.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Mar 2023 07:38:00 -0700 (PDT) From: Akinobu Mita To: linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, akpm@linux-foundation.org, axboe@kernel.dk Cc: Akinobu Mita Subject: [PATCH 0/2] block: null_blk: make fault-injection configurable via configfs Date: Mon, 27 Mar 2023 23:37:31 +0900 Message-Id: <20230327143733.14599-1-akinobu.mita@gmail.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-0.2 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS 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 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. Akinobu Mita (2): fault-inject: allow configuration via configfs block: null_blk: make fault-injection dynamically configurable per device .../fault-injection/fault-injection.rst | 8 + drivers/block/null_blk/Kconfig | 2 +- drivers/block/null_blk/main.c | 93 +++++++-- drivers/block/null_blk/null_blk.h | 7 +- include/linux/fault-inject.h | 22 ++ lib/Kconfig.debug | 13 +- lib/fault-inject.c | 191 ++++++++++++++++++ 7 files changed, 312 insertions(+), 24 deletions(-) -- 2.34.1