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authorAkinobu Mita <akinobu.mita@gmail.com>2006-12-08 02:39:47 -0800
committerLinus Torvalds <torvalds@woody.osdl.org>2006-12-08 08:29:02 -0800
commitf4f154fd920b2178382a6a24a236348e4429ebc1 (patch)
tree0bba747eb50b5d7e18d2b828f8c707b2781d7544 /include/linux
parentc17bb4951752d3e0f49cd1ea9d2e868422f9e0d6 (diff)
[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/<pid>/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 <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/fault-inject.h2
-rw-r--r--include/linux/sched.h3
2 files changed, 5 insertions, 0 deletions
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)