From patchwork Tue Aug 9 11:48:59 2011 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Per Forlin X-Patchwork-Id: 3312 Return-Path: X-Original-To: patchwork@peony.canonical.com Delivered-To: patchwork@peony.canonical.com Received: from fiordland.canonical.com (fiordland.canonical.com [91.189.94.145]) by peony.canonical.com (Postfix) with ESMTP id DC75E23F3F for ; Tue, 9 Aug 2011 11:49:32 +0000 (UTC) Received: from mail-qw0-f52.google.com (mail-qw0-f52.google.com [209.85.216.52]) by fiordland.canonical.com (Postfix) with ESMTP id AAEACA18099 for ; Tue, 9 Aug 2011 11:49:32 +0000 (UTC) Received: by mail-qw0-f52.google.com with SMTP id 8so1344092qwb.11 for ; Tue, 09 Aug 2011 04:49:32 -0700 (PDT) Received: by 10.229.42.10 with SMTP id q10mr2380118qce.45.1312890572333; Tue, 09 Aug 2011 04:49:32 -0700 (PDT) X-Forwarded-To: linaro-patchwork@canonical.com X-Forwarded-For: patch@linaro.org linaro-patchwork@canonical.com Delivered-To: patches@linaro.org Received: by 10.229.190.71 with SMTP id dh7cs44220qcb; Tue, 9 Aug 2011 04:49:31 -0700 (PDT) Received: from mr.google.com ([10.213.102.67]) by 10.213.102.67 with SMTP id f3mr2876274ebo.19.1312890571788 (num_hops = 1); Tue, 09 Aug 2011 04:49:31 -0700 (PDT) Received: by 10.213.102.67 with SMTP id f3mr2130816ebo.19.1312890571245; Tue, 09 Aug 2011 04:49:31 -0700 (PDT) Received: from mail-ey0-f172.google.com (mail-ey0-f172.google.com [209.85.215.172]) by mx.google.com with ESMTPS id x10si4155858eef.91.2011.08.09.04.49.30 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 09 Aug 2011 04:49:31 -0700 (PDT) Received-SPF: neutral (google.com: 209.85.215.172 is neither permitted nor denied by best guess record for domain of per.forlin@linaro.org) client-ip=209.85.215.172; Authentication-Results: mx.google.com; spf=neutral (google.com: 209.85.215.172 is neither permitted nor denied by best guess record for domain of per.forlin@linaro.org) smtp.mail=per.forlin@linaro.org Received: by mail-ey0-f172.google.com with SMTP id 4so3551774eye.31 for ; Tue, 09 Aug 2011 04:49:30 -0700 (PDT) Received: by 10.213.106.20 with SMTP id v20mr1392395ebo.51.1312890570275; Tue, 09 Aug 2011 04:49:30 -0700 (PDT) Received: from localhost.localdomain (c-c37f71d5.029-82-6c756e10.cust.bredbandsbolaget.se [213.113.127.195]) by mx.google.com with ESMTPS id v20sm2991237eeh.46.2011.08.09.04.49.28 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 09 Aug 2011 04:49:29 -0700 (PDT) From: Per Forlin To: Akinobu Mita , akpm@linux-foundation.org, Linus Walleij , linux-kernel@vger.kernel.org, Randy Dunlap , Chris Ball Cc: linux-doc@vger.kernel.org, linux-mmc@vger.kernel.org, linaro-dev@lists.linaro.org, linux-mm@kvack.org, Per Forlin Subject: [PATCH --mmotm v7 3/3] fault injection: add documentation on MMC IO fault injection Date: Tue, 9 Aug 2011 13:48:59 +0200 Message-Id: <1312890539-28177-4-git-send-email-per.forlin@linaro.org> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1312890539-28177-1-git-send-email-per.forlin@linaro.org> References: <1312890539-28177-1-git-send-email-per.forlin@linaro.org> Add description on how to enable random fault injection for MMC IO Signed-off-by: Per Forlin Acked-by: Akinobu Mita --- Documentation/fault-injection/fault-injection.txt | 5 +++++ 1 files changed, 5 insertions(+), 0 deletions(-) diff --git a/Documentation/fault-injection/fault-injection.txt b/Documentation/fault-injection/fault-injection.txt index 82a5d25..10571df 100644 --- a/Documentation/fault-injection/fault-injection.txt +++ b/Documentation/fault-injection/fault-injection.txt @@ -21,6 +21,11 @@ o fail_make_request /sys/block//make-it-fail or /sys/block///make-it-fail. (generic_make_request()) +o fail_mmc_request + + injects MMC data errors on devices permitted by setting + debugfs entries under /sys/kernel/debug/mmc0/fail_mmc_request + Configure fault-injection capabilities behavior -----------------------------------------------