+/*
+ * Reset zbd_info.write_cnt, the counter that counts down towards the next
+ * zone reset.
+ */
+static void zbd_reset_write_cnt(const struct thread_data *td,
+ const struct fio_file *f)
+{
+ assert(0 <= td->o.zrf.u.f && td->o.zrf.u.f <= 1);
+
+ pthread_mutex_lock(&f->zbd_info->mutex);
+ f->zbd_info->write_cnt = td->o.zrf.u.f ?
+ min(1.0 / td->o.zrf.u.f, 0.0 + UINT_MAX) : UINT_MAX;
+ pthread_mutex_unlock(&f->zbd_info->mutex);
+}
+
+static bool zbd_dec_and_reset_write_cnt(const struct thread_data *td,
+ const struct fio_file *f)
+{
+ uint32_t write_cnt = 0;
+
+ pthread_mutex_lock(&f->zbd_info->mutex);
+ assert(f->zbd_info->write_cnt);
+ if (f->zbd_info->write_cnt)
+ write_cnt = --f->zbd_info->write_cnt;
+ if (write_cnt == 0)
+ zbd_reset_write_cnt(td, f);
+ pthread_mutex_unlock(&f->zbd_info->mutex);
+
+ return write_cnt == 0;
+}
+