relay_subbufs_consumed
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## Name

relay_subbufs_consumed — update the buffer's sub-buffers-consumed count

## Synopsis

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

## Arguments

`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

## Description

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'.

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