RELAY_SWITCH_SUBBUF(9)               relay interface support               RELAY_SWITCH_SUBBUF(9)



NAME
       relay_switch_subbuf - switch to a new sub-buffer

SYNOPSIS
       size_t relay_switch_subbuf(struct rchan_buf * buf, size_t length);

ARGUMENTS
       buf
           channel buffer

       length
           size of current event

DESCRIPTION
       Returns either the length passed in or 0 if full.

       Performs sub-buffer-switch tasks such as invoking callbacks, updating padding counts,
       waking up readers, etc.

COPYRIGHT
Kernel Hackers Manual 4.8.                 January 2017                    RELAY_SWITCH_SUBBUF(9)