size_t (*get_size)(struct lttng_ust_ctx_field *field, size_t offset),
void (*record)(struct lttng_ust_ctx_field *field,
struct lttng_ust_lib_ring_buffer_ctx *ctx,
- struct lttng_channel *chan),
+ struct lttng_ust_channel_buffer *chan),
void (*get_value)(struct lttng_ust_ctx_field *field,
struct lttng_ust_ctx_value *value));