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[--mmotm,v7,3/3] fault injection: add documentation on MMC IO fault injection

Message ID 1312890539-28177-4-git-send-email-per.forlin@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Per Forlin Aug. 9, 2011, 11:48 a.m. UTC 
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 |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)
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Patch

diff --git a/Documentation/fault-injection/fault-injection.txt b/Documentation/fault-injection/fault-injection.txt
index 82a5d25..10571df 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
 -----------------------------------------------