From f4f154fd920b2178382a6a24a236348e4429ebc1 Mon Sep 17 00:00:00 2001 From: Akinobu Mita Date: Fri, 8 Dec 2006 02:39:47 -0800 Subject: [PATCH] fault injection: process filtering for fault-injection capabilities This patch provides process filtering feature. The process filter allows failing only permitted processes by /proc//make-it-fail Please see the example that demostrates how to inject slab allocation failures into module init/cleanup code in Documentation/fault-injection/fault-injection.txt Signed-off-by: Akinobu Mita Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- include/linux/fault-inject.h | 2 ++ include/linux/sched.h | 3 +++ 2 files changed, 5 insertions(+) (limited to 'include') diff --git a/include/linux/fault-inject.h b/include/linux/fault-inject.h index 4df4902bc8d8..a525f9b9f015 100644 --- a/include/linux/fault-inject.h +++ b/include/linux/fault-inject.h @@ -17,6 +17,7 @@ struct fault_attr { atomic_t times; atomic_t space; unsigned long verbose; + u32 task_filter; unsigned long count; @@ -30,6 +31,7 @@ struct fault_attr { struct dentry *times_file; struct dentry *space_file; struct dentry *verbose_file; + struct dentry *task_filter_file; } dentries; #endif diff --git a/include/linux/sched.h b/include/linux/sched.h index f0317edea141..ad9c46071ff8 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1045,6 +1045,9 @@ struct task_struct { #ifdef CONFIG_TASK_DELAY_ACCT struct task_delay_info *delays; #endif +#ifdef CONFIG_FAULT_INJECTION + int make_it_fail; +#endif }; static inline pid_t process_group(struct task_struct *tsk) -- cgit v1.2.3