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RELAY_SUBBUFS_CONSUM(9) relay interface support RELAY_SUBBUFS_CONSUM(9)

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'.

COPYRIGHT

April 2019 Kernel Hackers Manual 4.9.