/* Set default attributes */
lum->attr.overwrite = DEFAULT_CHANNEL_OVERWRITE;
- lum->attr.subbuf_size = DEFAULT_METADATA_SUBBUF_SIZE;
+ lum->attr.subbuf_size = default_get_metadata_subbuf_size();
lum->attr.num_subbuf = DEFAULT_METADATA_SUBBUF_NUM;
lum->attr.switch_timer_interval = DEFAULT_CHANNEL_SWITCH_TIMER;
lum->attr.read_timer_interval = DEFAULT_CHANNEL_READ_TIMER;