aboutsummaryrefslogtreecommitdiffstats
path: root/include/linux/fault-inject.h
diff options
context:
space:
mode:
authorDmitry Monakhov <dmonakhov@openvz.org>2014-12-12 16:58:00 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-12-13 12:42:52 -0800
commit6adc4a22f20bbf3bbc754f1ec8c82be5dfb5c71a (patch)
treef307626cf0c83d3114470f8dd3a5aca6134445e3 /include/linux/fault-inject.h
parent89e3f90995b370fa46922eece62ea23f039a202d (diff)
fault-inject: add ratelimit option
Current debug levels are not optimal. Especially if one want to provoke big numbers of faults(broken device simulator) then any verbose level will produce giant numbers of identical logging messages. Let's add ratelimit parameter for that purpose. Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Acked-by: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/fault-inject.h')
-rw-r--r--include/linux/fault-inject.h17
1 files changed, 11 insertions, 6 deletions
diff --git a/include/linux/fault-inject.h b/include/linux/fault-inject.h
index c6f996f2abb6..798fad9e420d 100644
--- a/include/linux/fault-inject.h
+++ b/include/linux/fault-inject.h
@@ -5,6 +5,7 @@
#include <linux/types.h>
#include <linux/debugfs.h>
+#include <linux/ratelimit.h>
#include <linux/atomic.h>
/*
@@ -25,14 +26,18 @@ struct fault_attr {
unsigned long reject_end;
unsigned long count;
+ struct ratelimit_state ratelimit_state;
+ struct dentry *dname;
};
-#define FAULT_ATTR_INITIALIZER { \
- .interval = 1, \
- .times = ATOMIC_INIT(1), \
- .require_end = ULONG_MAX, \
- .stacktrace_depth = 32, \
- .verbose = 2, \
+#define FAULT_ATTR_INITIALIZER { \
+ .interval = 1, \
+ .times = ATOMIC_INIT(1), \
+ .require_end = ULONG_MAX, \
+ .stacktrace_depth = 32, \
+ .ratelimit_state = RATELIMIT_STATE_INIT_DISABLED, \
+ .verbose = 2, \
+ .dname = NULL, \
}
#define DECLARE_FAULT_ATTR(name) struct fault_attr name = FAULT_ATTR_INITIALIZER

Privacy Policy