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Subject[PATCH 2/5 -mm] fault-injection: Use bool-true-false throughout
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Date
Use bool-true-false throughout.

Signed-off-by: Don Mullis <dwm@meer.net>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
---
include/linux/fault-inject.h | 2 +-
lib/fault-inject.c | 40 +++++++++++++++++++---------------------
2 files changed, 20 insertions(+), 22 deletions(-)

Index: linux-2.6.18/include/linux/fault-inject.h
===================================================================
--- linux-2.6.18.orig/include/linux/fault-inject.h
+++ linux-2.6.18/include/linux/fault-inject.h
@@ -57,7 +57,7 @@ struct fault_attr {
#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);
-int should_fail(struct fault_attr *attr, ssize_t size);
+bool should_fail(struct fault_attr *attr, ssize_t size);

#ifdef CONFIG_FAULT_INJECTION_DEBUG_FS

Index: linux-2.6.18/lib/fault-inject.c
===================================================================
--- linux-2.6.18.orig/lib/fault-inject.c
+++ linux-2.6.18/lib/fault-inject.c
@@ -48,7 +48,7 @@ static void fail_dump(struct fault_attr

#define atomic_dec_not_zero(v) atomic_add_unless((v), -1, 0)

-static int fail_task(struct fault_attr *attr, struct task_struct *task)
+static bool fail_task(struct fault_attr *attr, struct task_struct *task)
{
return !in_interrupt() && task->make_it_fail;
}
@@ -68,15 +68,15 @@ static asmlinkage int fail_stacktrace_ca
break;
if (attr->reject_start <= UNW_PC(info) &&
UNW_PC(info) < attr->reject_end)
- return 0;
+ return false;
if (attr->require_start <= UNW_PC(info) &&
UNW_PC(info) < attr->require_end)
- found = 1;
+ found = true;
}
return found;
}

-static int fail_stacktrace(struct fault_attr *attr)
+static bool fail_stacktrace(struct fault_attr *attr)
{
struct unwind_frame_info info;

@@ -85,9 +85,7 @@ static int fail_stacktrace(struct fault_

#elif defined(CONFIG_STACKTRACE)

-#define MAX_STACK_TRACE_DEPTH 32
-
-static int fail_stacktrace(struct fault_attr *attr)
+static bool fail_stacktrace(struct fault_attr *attr)
{
struct stack_trace trace;
int depth = attr->stacktrace_depth;
@@ -109,26 +107,26 @@ static int fail_stacktrace(struct fault_
for (n = 0; n < trace.nr_entries; n++) {
if (attr->reject_start <= entries[n] &&
entries[n] < attr->reject_end)
- return 0;
+ return false;
if (attr->require_start <= entries[n] &&
entries[n] < attr->require_end)
- found = 1;
+ found = true;
}
return found;
}

#else

-static inline int fail_stacktrace(struct fault_attr *attr)
+static inline bool fail_stacktrace(struct fault_attr *attr)
{
- static int firsttime = 1;
+ static bool firsttime = true;

if (firsttime) {
printk(KERN_WARNING
"This architecture does not implement save_stack_trace()\n");
- firsttime = 0;
+ firsttime = false;
}
- return 0;
+ return false;
}

#endif
@@ -138,32 +136,32 @@ static inline int fail_stacktrace(struct
* http://www.nongnu.org/failmalloc/
*/

-int should_fail(struct fault_attr *attr, ssize_t size)
+bool should_fail(struct fault_attr *attr, ssize_t size)
{
if (attr->task_filter && !fail_task(attr, current))
- return 0;
+ return false;

if (!fail_stacktrace(attr))
- return 0;
+ return false;

if (atomic_read(&attr->times) == 0)
- return 0;
+ return false;

if (atomic_read(&attr->space) > size) {
atomic_sub(size, &attr->space);
- return 0;
+ return false;
}

if (attr->interval > 1) {
attr->count++;
if (attr->count % attr->interval)
- return 0;
+ return false;
}

if (attr->probability > random32() % 100)
goto fail;

- return 0;
+ return false;

fail:
fail_dump(attr);
@@ -171,7 +169,7 @@ fail:
if (atomic_read(&attr->times) != -1)
atomic_dec_not_zero(&attr->times);

- return 1;
+ return true;
}

#ifdef CONFIG_FAULT_INJECTION_DEBUG_FS

-
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