bcachefs-tools/include/linux/srcu.h

70 lines
1.4 KiB
C

#ifndef __TOOLS_LINUX_SRCU_H
#define __TOOLS_LINUX_SRCU_H
#include <linux/rcupdate.h>
#define NUM_ACTIVE_RCU_POLL_OLDSTATE 2
typedef void (*rcu_callback_t)(struct rcu_head *head);
struct srcu_struct {
};
static inline void srcu_read_unlock(struct srcu_struct *ssp, int idx) {}
static inline int srcu_read_lock(struct srcu_struct *ssp)
{
return 0;
}
static inline bool poll_state_synchronize_srcu(struct srcu_struct *ssp, unsigned long cookie)
{
return true;
}
static inline unsigned long start_poll_synchronize_srcu(struct srcu_struct *ssp)
{
return 0;
}
static inline unsigned long get_state_synchronize_srcu(struct srcu_struct *ssp)
{
return 0;
}
#undef poll_state_synchronize_rcu
static inline bool poll_state_synchronize_rcu(unsigned long cookie)
{
return false;
}
#undef start_poll_synchronize_rcu
static inline unsigned long start_poll_synchronize_rcu()
{
return 0;
}
static inline unsigned long get_state_synchronize_rcu()
{
return 0;
}
static inline void synchronize_srcu_expedited(struct srcu_struct *ssp) {}
static inline void srcu_barrier(struct srcu_struct *ssp) {}
static inline void cleanup_srcu_struct(struct srcu_struct *ssp) {}
static inline void call_srcu(struct srcu_struct *ssp, struct rcu_head *rhp,
rcu_callback_t func)
{
call_rcu(rhp, func);
}
static inline int init_srcu_struct(struct srcu_struct *ssp)
{
return 0;
}
#endif /* __TOOLS_LINUX_SRCU_H */