- lib_ring_buffer_ctx_init(&ctx, chan->chan, NULL, reserve_len,
- sizeof(char), -1, chan->handle, NULL);
- ret = chan->ops->event_reserve(&ctx, 0);
+ lttng_ust_lib_ring_buffer_ctx_init(&ctx, rb_chan, reserve_len, sizeof(char), NULL);
+ ret = lttng_chan_buf->ops->event_reserve(&ctx);