tree b22277871685f40066dd22e938f658724dce126a
parent 7524a6adf4d6720a47bfa617b5cb2fd8d57f16d2
author Jens Axboe <axboe@kernel.dk> 1703174842 -0700
committer Jens Axboe <axboe@kernel.dk> 1703174842 -0700

Add support for IORING_REGISTER_PBUF_STATUS

Basic support for querying the provided ring buffer head, and a helper
that returns the number of available entries. Includes a basic test
case as well.

Signed-off-by: Jens Axboe <axboe@kernel.dk>