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(parent: 28aecb9) | patch
virtio: Add ability to detach unused buffers from vrings
authorShirley Ma <mashirle@us.ibm.com>
Fri, 29 Jan 2010 03:19:05 +0000 (03:19 +0000)
committerDavid S. Miller <davem@davemloft.net>
Tue, 2 Feb 2010 23:55:42 +0000 (15:55 -0800)
commitf9bfbebf34eab707b065116cdc9699d25ba4252a
tree8cecf55980c72085dcc6e6af39bdfc7cccf18b69tree | snapshot
parent28aecb9d7728dc26bf03ce7925fe622023a83a2acommit | 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>
drivers/virtio/virtio_ring.c diff | blob | history
include/linux/virtio.h diff | blob | history
Full containers within linux kernel