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authorAl Viro <viro@zeniv.linux.org.uk>2015-07-12 21:06:44 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2015-12-06 21:17:11 -0500
commit474fe9f7f551b151222db07a968b15bf05ffe4c4 (patch)
tree689470c35a5cd16dec736ddd28223387f94b36de /net/9p
parent527e9316f8ec44bd53d90fb9f611fa7ffff52bb9 (diff)
downloadlinux-474fe9f7f551b151222db07a968b15bf05ffe4c4.tar.bz2
9p/trans_virtio: don't bother with p9_tag_lookup()
Just store the pointer to req instead of that to req->tc as opaque data. Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'net/9p')
-rw-r--r--net/9p/trans_virtio.c12
1 files changed, 4 insertions, 8 deletions
diff --git a/net/9p/trans_virtio.c b/net/9p/trans_virtio.c
index 6e70ddb158b4..9fc6a56c506a 100644
--- a/net/9p/trans_virtio.c
+++ b/net/9p/trans_virtio.c
@@ -143,7 +143,6 @@ static void p9_virtio_close(struct p9_client *client)
static void req_done(struct virtqueue *vq)
{
struct virtio_chan *chan = vq->vdev->priv;
- struct p9_fcall *rc;
unsigned int len;
struct p9_req_t *req;
unsigned long flags;
@@ -152,8 +151,8 @@ static void req_done(struct virtqueue *vq)
while (1) {
spin_lock_irqsave(&chan->lock, flags);
- rc = virtqueue_get_buf(chan->vq, &len);
- if (rc == NULL) {
+ req = virtqueue_get_buf(chan->vq, &len);
+ if (req == NULL) {
spin_unlock_irqrestore(&chan->lock, flags);
break;
}
@@ -161,9 +160,6 @@ static void req_done(struct virtqueue *vq)
spin_unlock_irqrestore(&chan->lock, flags);
/* Wakeup if anyone waiting for VirtIO ring space. */
wake_up(chan->vc_wq);
- p9_debug(P9_DEBUG_TRANS, ": rc %p\n", rc);
- p9_debug(P9_DEBUG_TRANS, ": lookup tag %d\n", rc->tag);
- req = p9_tag_lookup(chan->client, rc->tag);
p9_client_cb(chan->client, req, REQ_STATUS_RCVD);
}
}
@@ -284,7 +280,7 @@ req_retry:
if (in)
sgs[out_sgs + in_sgs++] = chan->sg + out;
- err = virtqueue_add_sgs(chan->vq, sgs, out_sgs, in_sgs, req->tc,
+ err = virtqueue_add_sgs(chan->vq, sgs, out_sgs, in_sgs, req,
GFP_ATOMIC);
if (err < 0) {
if (err == -ENOSPC) {
@@ -469,7 +465,7 @@ req_retry_pinned:
}
BUG_ON(out_sgs + in_sgs > ARRAY_SIZE(sgs));
- err = virtqueue_add_sgs(chan->vq, sgs, out_sgs, in_sgs, req->tc,
+ err = virtqueue_add_sgs(chan->vq, sgs, out_sgs, in_sgs, req,
GFP_ATOMIC);
if (err < 0) {
if (err == -ENOSPC) {