kernel-ark/fs/pstore/internal.h
Geliang Tang 7e26e9ff0a pstore: Fix return type of pstore_is_mounted()
This patch changes return type of pstore_is_mounted from int to bool.

Signed-off-by: Geliang Tang <geliangtang@163.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>
2015-10-22 10:57:33 -07:00

69 lines
1.5 KiB
C

#ifndef __PSTORE_INTERNAL_H__
#define __PSTORE_INTERNAL_H__
#include <linux/types.h>
#include <linux/time.h>
#include <linux/pstore.h>
#if NR_CPUS <= 2 && defined(CONFIG_ARM_THUMB)
#define PSTORE_CPU_IN_IP 0x1
#elif NR_CPUS <= 4 && defined(CONFIG_ARM)
#define PSTORE_CPU_IN_IP 0x3
#endif
struct pstore_ftrace_record {
unsigned long ip;
unsigned long parent_ip;
#ifndef PSTORE_CPU_IN_IP
unsigned int cpu;
#endif
};
static inline void
pstore_ftrace_encode_cpu(struct pstore_ftrace_record *rec, unsigned int cpu)
{
#ifndef PSTORE_CPU_IN_IP
rec->cpu = cpu;
#else
rec->ip |= cpu;
#endif
}
static inline unsigned int
pstore_ftrace_decode_cpu(struct pstore_ftrace_record *rec)
{
#ifndef PSTORE_CPU_IN_IP
return rec->cpu;
#else
return rec->ip & PSTORE_CPU_IN_IP;
#endif
}
#ifdef CONFIG_PSTORE_FTRACE
extern void pstore_register_ftrace(void);
extern void pstore_unregister_ftrace(void);
#else
static inline void pstore_register_ftrace(void) {}
static inline void pstore_unregister_ftrace(void) {}
#endif
#ifdef CONFIG_PSTORE_PMSG
extern void pstore_register_pmsg(void);
extern void pstore_unregister_pmsg(void);
#else
static inline void pstore_register_pmsg(void) {}
static inline void pstore_unregister_pmsg(void) {}
#endif
extern struct pstore_info *psinfo;
extern void pstore_set_kmsg_bytes(int);
extern void pstore_get_records(int);
extern int pstore_mkfile(enum pstore_type_id, char *psname, u64 id,
int count, char *data, bool compressed,
size_t size, struct timespec time,
struct pstore_info *psi);
extern bool pstore_is_mounted(void);
#endif