[PATCH --mmotm v8 3/3] fault injection: add documentation on MMC IO fault injection
From: Per Forlin <hidden>
Date: 2011-08-09 12:08:14
Also in:
linux-mmc, lkml
Subsystem:
documentation, fault injection support, the rest · Maintainers:
Jonathan Corbet, Akinobu Mita, Linus Torvalds
Add description on how to enable random fault injection for MMC IO Signed-off-by: Per Forlin <redacted> 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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