From: Per Forlin <per.forlin@linaro.org>
To: Akinobu Mita <akinobu.mita@gmail.com>,
akpm@linux-foundation.org,
Linus Walleij <linus.ml.walleij@gmail.com>,
linux-kernel@vger.kernel.org, Randy Dunlap <rdunlap@xenotime.net>,
Chris Ball <cjb@laptop.org>
Cc: linux-doc@vger.kernel.org, linux-mmc@vger.kernel.org,
linaro-dev@lists.linaro.org, linux-mm@kvack.org,
Per Forlin <per.forlin@linaro.org>
Subject: [PATCH --mmotm v8 3/3] fault injection: add documentation on MMC IO fault injection
Date: Tue, 9 Aug 2011 14:07:51 +0200 [thread overview]
Message-ID: <1312891671-28680-4-git-send-email-per.forlin@linaro.org> (raw)
In-Reply-To: <1312891671-28680-1-git-send-email-per.forlin@linaro.org>
Add description on how to enable random fault injection
for MMC IO
Signed-off-by: Per Forlin <per.forlin@linaro.org>
Acked-by: Akinobu Mita <akinobu.mita@gmail.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
-----------------------------------------
--
1.7.4.1
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next prev parent reply other threads:[~2011-08-09 12:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-08-09 12:07 [PATCH --mmotm v8 0/3] Make fault injection available for MMC IO Per Forlin
2011-08-09 12:07 ` [PATCH --mmotm v8 1/3] fault-inject: export fault injection functions Per Forlin
2011-08-09 12:07 ` [PATCH --mmotm v8 2/3] mmc: core: add random fault injection Per Forlin
2011-08-19 11:40 ` Linus Walleij
2011-08-19 12:13 ` Per Forlin
2011-08-09 12:07 ` Per Forlin [this message]
2011-08-19 9:53 ` [PATCH --mmotm v8 0/3] Make fault injection available for MMC IO Per Forlin
2011-08-19 17:24 ` Chris Ball
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