Move struct ltt_channel to shm for consumer flush

[lttng-ust.git] / libringbuffer / frontend_types.h

diff --git a/libringbuffer/frontend_types.h b/libringbuffer/frontend_types.h
index 7d9166e0529c75d16364c796cb0ee05a05247b75..93131616f613050d3a7c0707ce486219ec6fc85f 100644 (file)
--- a/libringbuffer/frontend_types.h
+++ b/libringbuffer/frontend_types.h
@@ -48,6 +48,7 @@ struct channel {
        unsigned long read_timer_interval;      /* Reader wakeup (jiffies) */
        //wait_queue_head_t read_wait;          /* reader wait queue */
        int finalized;                          /* Has channel been finalized */
+       size_t priv_data_offset;
        /*
         * Associated backend contains a variable-length array. Needs to
         * be last member.
@@ -114,7 +115,7 @@ struct lttng_ust_lib_ring_buffer {
 static inline
 void *channel_get_private(struct channel *chan)
 {
-       return chan->backend.priv;
+       return ((char *) chan) + chan->priv_data_offset;
 }
 
 /*