| commit | f9bfbebf34eab707b065116cdc9699d25ba4252a | [log] [tgz] |
|---|---|---|
| author | Shirley Ma <mashirle@us.ibm.com> | Fri Jan 29 03:19:05 2010 +0000 |
| committer | David S. Miller <davem@davemloft.net> | Tue Feb 02 15:55:42 2010 -0800 |
| tree | 8cecf55980c72085dcc6e6af39bdfc7cccf18b69 | |
| parent | 28aecb9d7728dc26bf03ce7925fe622023a83a2a [diff] |
virtio: Add ability to detach unused buffers from vrings There's currently no way for a virtio driver to ask for unused buffers, so it has to keep a list itself to reclaim them at shutdown. This is redundant, since virtio_ring stores that information. So add a new hook to do this. Signed-off-by: Shirley Ma <xma@us.ibm.com> Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>