| commit | bf2de6f5a4faf0197268f18d08969b003b87b6e8 | [log] [tgz] |
|---|---|---|
| author | Jens Axboe <jens.axboe@oracle.com> | Thu Sep 27 13:01:25 2007 +0200 |
| committer | Jens Axboe <jens.axboe@oracle.com> | Tue Oct 16 11:03:56 2007 +0200 |
| tree | 16830a15a7effea352445a7aba5dbb433314d3eb | |
| parent | c07e2b41291853b19fff11ceee3657df252a4e42 [diff] |
block: Initial support for data-less (or empty) barrier support This implements functionality to pass down or insert a barrier in a queue, without having data attached to it. The ->prepare_flush_fn() infrastructure from data barriers are reused to provide this functionality. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>