tree 5031caab94e52b30e48515e881ea87a32daaeaeb
parent 13816c768d46586e925b22736992258d6105ad2c
author Rusty Russell <rusty@rustcorp.com.au> 1363756466 +1030
committer Rusty Russell <rusty@rustcorp.com.au> 1363756492 +1030

virtio_ring: virtqueue_add_outbuf / virtqueue_add_inbuf.

These are specialized versions of virtqueue_add_buf(), which cover
over 80% of cases and are far clearer.

In particular, the scatterlists passed to these functions don't have
to be clean (ie. we ignore end markers).

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>