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Message-ID: <1313758358-27536-4-git-send-email-per.forlin@stericsson.com>
Date: Fri, 19 Aug 2011 14:52:38 +0200
From: Per Forlin <per.forlin@...ricsson.com>
To: <linux-mmc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linaro-dev@...ts.linaro.org>,
Linus Walleij <linus.walleij@...aro.org>,
Akinobu Mita <akinobu.mita@...il.com>
Cc: Chris Ball <cjb@...top.org>, <linux-doc@...r.kernel.org>,
Per Forlin <per.forlin@...aro.org>
Subject: [PATCH v9 3/3] fault injection: add documentation on MMC IO fault injection
From: Per Forlin <per.forlin@...aro.org>
Add description on how to enable random fault injection
for MMC IO
Signed-off-by: Per Forlin <per.forlin@...aro.org>
Acked-by: Akinobu Mita <akinobu.mita@...il.com>
---
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/<device>/make-it-fail or
/sys/block/<device>/<partition>/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=<interval>,<probability>,<space>,<times>
+ fail_make_request=
+ fail_mmc_request=<interval>,<probability>,<space>,<times>
How to add new fault injection capability
-----------------------------------------
--
1.6.3.3
--
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