Release 4.17 include/linux/fault-inject.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_FAULT_INJECT_H
#define _LINUX_FAULT_INJECT_H
#ifdef CONFIG_FAULT_INJECTION
#include <linux/types.h>
#include <linux/debugfs.h>
#include <linux/ratelimit.h>
#include <linux/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;
bool 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;
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, \
.ratelimit_state = RATELIMIT_STATE_INIT_DISABLED, \
.verbose = 2, \
.dname = NULL, \
}
#define DECLARE_FAULT_ATTR(name) struct fault_attr name = FAULT_ATTR_INITIALIZER
int setup_fault_attr(struct fault_attr *attr, char *str);
bool should_fail(struct fault_attr *attr, ssize_t size);
#ifdef CONFIG_FAULT_INJECTION_DEBUG_FS
struct dentry *fault_create_debugfs_attr(const char *name,
struct dentry *parent, struct fault_attr *attr);
#else /* CONFIG_FAULT_INJECTION_DEBUG_FS */
static inline struct dentry *fault_create_debugfs_attr(const char *name,
struct dentry *parent, struct fault_attr *attr)
{
return ERR_PTR(-ENODEV);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Akinobu Mita | 31 | 100.00% | 2 | 100.00% |
| Total | 31 | 100.00% | 2 | 100.00% |
#endif /* CONFIG_FAULT_INJECTION_DEBUG_FS */
#endif /* CONFIG_FAULT_INJECTION */
struct kmem_cache;
int should_failslab(struct kmem_cache *s, gfp_t gfpflags);
#ifdef CONFIG_FAILSLAB
extern bool __should_failslab(struct kmem_cache *s, gfp_t gfpflags);
#else
static inline bool __should_failslab(struct kmem_cache *s, gfp_t gfpflags)
{
return false;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Akinobu Mita | 13 | 72.22% | 1 | 33.33% |
| Jesper Dangaard Brouer | 4 | 22.22% | 1 | 33.33% |
| Howard McLauchlan | 1 | 5.56% | 1 | 33.33% |
| Total | 18 | 100.00% | 3 | 100.00% |
#endif /* CONFIG_FAILSLAB */
#endif /* _LINUX_FAULT_INJECT_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Akinobu Mita | 197 | 82.43% | 5 | 38.46% |
| Howard McLauchlan | 14 | 5.86% | 1 | 7.69% |
| Dmitriy Monakhov | 13 | 5.44% | 1 | 7.69% |
| Jesper Dangaard Brouer | 8 | 3.35% | 1 | 7.69% |
| Ingo Molnar | 3 | 1.26% | 1 | 7.69% |
| Greg Kroah-Hartman | 1 | 0.42% | 1 | 7.69% |
| Viresh Kumar | 1 | 0.42% | 1 | 7.69% |
| Arun Sharma | 1 | 0.42% | 1 | 7.69% |
| Don Mullis | 1 | 0.42% | 1 | 7.69% |
| Total | 239 | 100.00% | 13 | 100.00% |
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