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OpenCloudOS-Kernel
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[net/9p] Don't re-pin pages on retrying virtqueue_add_buf(). 

Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
This commit is contained in:
Venkateswararao Jujjuri (JV) 2011-03-14 14:22:41 -07:00 committed by Eric Van Hensbergen
parent a01a984035
commit 316ad5501c
1 changed files with 2 additions and 2 deletions
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4
net/9p/trans_virtio.c
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@ -262,7 +262,6 @@ p9_virtio_request(struct p9_client *client, struct p9_req_t *req)
P9_DPRINTK(P9_DEBUG_TRANS, "9p debug: virtio request\n"); P9_DPRINTK(P9_DEBUG_TRANS, "9p debug: virtio request\n");
req_retry:
req->status = REQ_STATUS_SENT; req->status = REQ_STATUS_SENT;
if (req->tc->pbuf_size && (req->tc->pubuf && P9_IS_USER_CONTEXT)) { if (req->tc->pbuf_size && (req->tc->pubuf && P9_IS_USER_CONTEXT)) {
@ -295,6 +294,7 @@ req_retry:
} }
} }
req_retry_pinned:
spin_lock_irqsave(&chan->lock, flags); spin_lock_irqsave(&chan->lock, flags);
/* Handle out VirtIO ring buffers */ /* Handle out VirtIO ring buffers */
@ -355,7 +355,7 @@ req_retry:
return err; return err;
P9_DPRINTK(P9_DEBUG_TRANS, "9p:Retry virtio request\n"); P9_DPRINTK(P9_DEBUG_TRANS, "9p:Retry virtio request\n");
goto req_retry; goto req_retry_pinned;
} else { } else {
spin_unlock_irqrestore(&chan->lock, flags); spin_unlock_irqrestore(&chan->lock, flags);
P9_DPRINTK(P9_DEBUG_TRANS, P9_DPRINTK(P9_DEBUG_TRANS,