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<mst@xxxxxxxxxx>
---
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
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