08b3df2d16
Use bool-true-false throughout. Signed-off-by: Don Mullis <dwm@meer.net> Cc: Akinobu Mita <akinobu.mita@gmail.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
84 lines
2.0 KiB
C
84 lines
2.0 KiB
C
#ifndef _LINUX_FAULT_INJECT_H
|
|
#define _LINUX_FAULT_INJECT_H
|
|
|
|
#ifdef CONFIG_FAULT_INJECTION
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/debugfs.h>
|
|
#include <asm/atomic.h>
|
|
|
|
/*
|
|
* For explanation of the elements of this struct, see
|
|
* Documentation/fault-injection/fault-injection.txt
|
|
*/
|
|
struct fault_attr {
|
|
unsigned long probability;
|
|
unsigned long interval;
|
|
atomic_t times;
|
|
atomic_t space;
|
|
unsigned long verbose;
|
|
u32 task_filter;
|
|
unsigned long stacktrace_depth;
|
|
unsigned long require_start;
|
|
unsigned long require_end;
|
|
unsigned long reject_start;
|
|
unsigned long reject_end;
|
|
|
|
unsigned long count;
|
|
|
|
#ifdef CONFIG_FAULT_INJECTION_DEBUG_FS
|
|
|
|
struct {
|
|
struct dentry *dir;
|
|
|
|
struct dentry *probability_file;
|
|
struct dentry *interval_file;
|
|
struct dentry *times_file;
|
|
struct dentry *space_file;
|
|
struct dentry *verbose_file;
|
|
struct dentry *task_filter_file;
|
|
struct dentry *stacktrace_depth_file;
|
|
struct dentry *require_start_file;
|
|
struct dentry *require_end_file;
|
|
struct dentry *reject_start_file;
|
|
struct dentry *reject_end_file;
|
|
} dentries;
|
|
|
|
#endif
|
|
};
|
|
|
|
#define FAULT_ATTR_INITIALIZER { \
|
|
.interval = 1, \
|
|
.times = ATOMIC_INIT(1), \
|
|
.require_end = ULONG_MAX, \
|
|
.stacktrace_depth = 32, \
|
|
}
|
|
|
|
#define DECLARE_FAULT_ATTR(name) struct fault_attr name = FAULT_ATTR_INITIALIZER
|
|
int setup_fault_attr(struct fault_attr *attr, char *str);
|
|
void should_fail_srandom(unsigned long entropy);
|
|
bool should_fail(struct fault_attr *attr, ssize_t size);
|
|
|
|
#ifdef CONFIG_FAULT_INJECTION_DEBUG_FS
|
|
|
|
int init_fault_attr_dentries(struct fault_attr *attr, const char *name);
|
|
void cleanup_fault_attr_dentries(struct fault_attr *attr);
|
|
|
|
#else /* CONFIG_FAULT_INJECTION_DEBUG_FS */
|
|
|
|
static inline int init_fault_attr_dentries(struct fault_attr *attr,
|
|
const char *name)
|
|
{
|
|
return -ENODEV;
|
|
}
|
|
|
|
static inline void cleanup_fault_attr_dentries(struct fault_attr *attr)
|
|
{
|
|
}
|
|
|
|
#endif /* CONFIG_FAULT_INJECTION_DEBUG_FS */
|
|
|
|
#endif /* CONFIG_FAULT_INJECTION */
|
|
|
|
#endif /* _LINUX_FAULT_INJECT_H */
|