+/*
+ * If the upper bit is set, then we have the offset as well
+ */
+#define LOG_OFFSET_SAMPLE_BIT 0x80000000U
+#define io_sample_ddir(io) ((io)->__ddir & ~LOG_OFFSET_SAMPLE_BIT)
+
+static inline void io_sample_set_ddir(struct io_log *log,
+ struct io_sample *io,
+ enum fio_ddir ddir)
+{
+ io->__ddir = ddir | log->log_ddir_mask;
+}
+
+static inline size_t __log_entry_sz(int log_offset)
+{
+ if (log_offset)
+ return sizeof(struct io_sample_offset);
+ else
+ return sizeof(struct io_sample);
+}
+
+static inline size_t log_entry_sz(struct io_log *log)
+{
+ return __log_entry_sz(log->log_offset);
+}
+
+static inline size_t log_sample_sz(struct io_log *log, struct io_logs *cur_log)
+{
+ return cur_log->nr_samples * log_entry_sz(log);
+}
+
+static inline struct io_sample *__get_sample(void *samples, int log_offset,
+ uint64_t sample)
+{
+ uint64_t sample_offset = sample * __log_entry_sz(log_offset);
+ return (struct io_sample *) ((char *) samples + sample_offset);
+}
+
+struct io_logs *iolog_cur_log(struct io_log *);
+uint64_t iolog_nr_samples(struct io_log *);
+void regrow_logs(struct thread_data *);
+
+static inline struct io_sample *get_sample(struct io_log *iolog,
+ struct io_logs *cur_log,
+ uint64_t sample)
+{
+ return __get_sample(cur_log->log, iolog->log_offset, sample);
+}
+