On 2020/6/7 下午10:11, Michael S. Tsirkin wrote:
Everyone's using buf APIs, no need for head based ones anymore. Signed-off-by: Michael S. Tsirkin<m...@redhat.com> --- drivers/vhost/vhost.c | 36 ++++++++---------------------------- drivers/vhost/vhost.h | 12 ------------ 2 files changed, 8 insertions(+), 40 deletions(-) diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c index 72ee55c810c4..e6931b760b61 100644 --- a/drivers/vhost/vhost.c +++ b/drivers/vhost/vhost.c @@ -2299,12 +2299,12 @@ static int fetch_buf(struct vhost_virtqueue *vq) return 1; }-/* Reverse the effect of vhost_get_vq_desc. Useful for error handling. */+/* Revert the effect of fetch_buf. Useful for error handling. */ +static void vhost_discard_vq_desc(struct vhost_virtqueue *vq, int n) { vq->last_avail_idx -= n; } -EXPORT_SYMBOL_GPL(vhost_discard_vq_desc);
The same question as previous version. Do we need to rewind cached descriptor here? Thanks
