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Date: Tue, 9 Aug 2011 14:07:51 +0200 From: Per Forlin <per.forlin@...aro.org> To: Akinobu Mita <akinobu.mita@...il.com>, akpm@...ux-foundation.org, Linus Walleij <linus.ml.walleij@...il.com>, linux-kernel@...r.kernel.org, Randy Dunlap <rdunlap@...otime.net>, Chris Ball <cjb@...top.org> Cc: linux-doc@...r.kernel.org, linux-mmc@...r.kernel.org, linaro-dev@...ts.linaro.org, linux-mm@...ck.org, Per Forlin <per.forlin@...aro.org> Subject: [PATCH --mmotm v8 3/3] fault injection: add documentation on MMC IO fault injection 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 ----------------------------------------- -- 1.7.4.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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