relay_subbufs_consumed (9)

void relay_subbufs_consumed(struct rchan * chan, unsigned int cpu, size_t subbufs_consumed);

chan

the channel

cpu

the cpu associated with the channel buffer to update

subbufs_consumed

number of sub-buffers to add to current buf's count

Adds to the channel buffer's consumed sub-buffer count. subbufs_consumed should be the number of sub-buffers newly consumed, not the total consumed.

NOTE. Kernel clients don't need to call this function if the channel mode is 'overwrite'.