[PATCH V3 09/15] vhost: do not export vhost_add_used_n() and vhost_add_used_and_signal_n()

From: Jason Wang
Date: Wed Jul 17 2019 - 06:53:55 EST


We would request device to use shadow used ring API. Then there's no
need for exposing those to device.

Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
---
drivers/vhost/vhost.c | 13 +++++++------
drivers/vhost/vhost.h | 4 ----
2 files changed, 7 insertions(+), 10 deletions(-)

diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 5bfca5b76b05..50ba382f0981 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -2883,8 +2883,9 @@ EXPORT_SYMBOL_GPL(vhost_get_shadow_used_count);

/* After we've used one of their buffers, we tell them about it. We'll then
* want to notify the guest, using eventfd. */
-int vhost_add_used_n(struct vhost_virtqueue *vq, struct vring_used_elem *heads,
- unsigned count)
+static int vhost_add_used_n(struct vhost_virtqueue *vq,
+ struct vring_used_elem *heads,
+ unsigned count)
{
int start, n, r;

@@ -2988,14 +2989,14 @@ void vhost_add_used_and_signal(struct vhost_dev *dev,
EXPORT_SYMBOL_GPL(vhost_add_used_and_signal);

/* multi-buffer version of vhost_add_used_and_signal */
-void vhost_add_used_and_signal_n(struct vhost_dev *dev,
- struct vhost_virtqueue *vq,
- struct vring_used_elem *heads, unsigned count)
+static void vhost_add_used_and_signal_n(struct vhost_dev *dev,
+ struct vhost_virtqueue *vq,
+ struct vring_used_elem *heads,
+ unsigned count)
{
vhost_add_used_n(vq, heads, count);
vhost_signal(dev, vq);
}
-EXPORT_SYMBOL_GPL(vhost_add_used_and_signal_n);

void vhost_flush_shadow_used_and_signal(struct vhost_virtqueue *vq)

diff --git a/drivers/vhost/vhost.h b/drivers/vhost/vhost.h
index 175eb5ebf954..481baba20c3d 100644
--- a/drivers/vhost/vhost.h
+++ b/drivers/vhost/vhost.h
@@ -240,13 +240,9 @@ void vhost_discard_vq_desc(struct vhost_virtqueue *, int n);

int vhost_vq_init_access(struct vhost_virtqueue *);
int vhost_add_used(struct vhost_virtqueue *, unsigned int head, int len);
-int vhost_add_used_n(struct vhost_virtqueue *, struct vring_used_elem *heads,
- unsigned count);

void vhost_add_used_and_signal(struct vhost_dev *, struct vhost_virtqueue *,
unsigned int id, int len);
-void vhost_add_used_and_signal_n(struct vhost_dev *, struct vhost_virtqueue *,
- struct vring_used_elem *heads, unsigned count);

/* Zerocopy shadow used ring API */
void vhost_set_zc_used_len(struct vhost_virtqueue *vq,
--
2.18.1