From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail6.bemta8.messagelabs.com (mail6.bemta8.messagelabs.com [216.82.243.55]) by kanga.kvack.org (Postfix) with ESMTP id 9FC906B016E for ; Tue, 9 Aug 2011 08:08:11 -0400 (EDT) Received: by mail-ew0-f41.google.com with SMTP id 9so1202990ewy.14 for ; Tue, 09 Aug 2011 05:08:10 -0700 (PDT) From: Per Forlin Subject: [PATCH --mmotm v8 3/3] fault injection: add documentation on MMC IO fault injection Date: Tue, 9 Aug 2011 14:07:51 +0200 Message-Id: <1312891671-28680-4-git-send-email-per.forlin@linaro.org> In-Reply-To: <1312891671-28680-1-git-send-email-per.forlin@linaro.org> References: <1312891671-28680-1-git-send-email-per.forlin@linaro.org> Sender: owner-linux-mm@kvack.org List-ID: 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 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 | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-) diff --git a/Documentation/fault-injection/fault-injection.txt b/Documentation/fault-injection/fault-injection.txt index 82a5d25..70f924e 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 ----------------------------------------------- @@ -115,7 +120,8 @@ use the boot option: failslab= fail_page_alloc= - fail_make_request=,,, + fail_make_request= + fail_mmc_request=,,, How to add new fault injection capability ----------------------------------------- -- 1.7.4.1 -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom internet charges in Canada: sign http://stopthemeter.ca/ Don't email: email@kvack.org