Merge tag 'for-linus-4.5-merge-window' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-drm-fsl-dcu.git] / net / 9p / trans_virtio.c
index 3827760c8eefd4d2766015679311e3222aa890b2..4acb1d5417aaf980bc7797c817eb9a9a350ecbf5 100644 (file)
@@ -105,7 +105,7 @@ static struct list_head virtio_chan_list;
 /* How many bytes left in this page. */
 static unsigned int rest_of_page(void *data)
 {
-       return PAGE_SIZE - ((unsigned long)data % PAGE_SIZE);
+       return PAGE_SIZE - offset_in_page(data);
 }
 
 /**
@@ -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) {
@@ -369,7 +365,7 @@ static int p9_get_mapped_pages(struct virtio_chan *chan,
                        return -ENOMEM;
 
                *need_drop = 0;
-               p -= (*offs = (unsigned long)p % PAGE_SIZE);
+               p -= (*offs = offset_in_page(p));
                for (index = 0; index < nr_pages; index++) {
                        if (is_vmalloc_addr(p))
                                (*pages)[index] = vmalloc_to_page(p);
@@ -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) {