vmbus: remove unused vmbus_sendpacket_multipagebuffer

This function is not used anywhere in current code.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/hv/channel.c b/drivers/hv/channel.c
index e57cc40..756a1e8 100644 (file)
--- a/drivers/hv/channel.c
+++ b/drivers/hv/channel.c
@@ -814,62 +814,6 @@ int vmbus_sendpacket_mpb_desc(struct vmbus_channel *channel,
 }
 EXPORT_SYMBOL_GPL(vmbus_sendpacket_mpb_desc);
 
-/*
- * vmbus_sendpacket_multipagebuffer - Send a multi-page buffer packet
- * using a GPADL Direct packet type.
- */
-int vmbus_sendpacket_multipagebuffer(struct vmbus_channel *channel,
-                               struct hv_multipage_buffer *multi_pagebuffer,
-                               void *buffer, u32 bufferlen, u64 requestid)
-{
-       struct vmbus_channel_packet_multipage_buffer desc;
-       u32 descsize;
-       u32 packetlen;
-       u32 packetlen_aligned;
-       struct kvec bufferlist[3];
-       u64 aligned_data = 0;
-       u32 pfncount = NUM_PAGES_SPANNED(multi_pagebuffer->offset,
-                                        multi_pagebuffer->len);
-
-       if (pfncount > MAX_MULTIPAGE_BUFFER_COUNT)
-               return -EINVAL;
-
-       /*
-        * Adjust the size down since vmbus_channel_packet_multipage_buffer is
-        * the largest size we support
-        */
-       descsize = sizeof(struct vmbus_channel_packet_multipage_buffer) -
-                         ((MAX_MULTIPAGE_BUFFER_COUNT - pfncount) *
-                         sizeof(u64));
-       packetlen = descsize + bufferlen;
-       packetlen_aligned = ALIGN(packetlen, sizeof(u64));
-
-
-       /* Setup the descriptor */
-       desc.type = VM_PKT_DATA_USING_GPA_DIRECT;
-       desc.flags = VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED;
-       desc.dataoffset8 = descsize >> 3; /* in 8-bytes granularity */
-       desc.length8 = (u16)(packetlen_aligned >> 3);
-       desc.transactionid = requestid;
-       desc.rangecount = 1;
-
-       desc.range.len = multi_pagebuffer->len;
-       desc.range.offset = multi_pagebuffer->offset;
-
-       memcpy(desc.range.pfn_array, multi_pagebuffer->pfn_array,
-              pfncount * sizeof(u64));
-
-       bufferlist[0].iov_base = &desc;
-       bufferlist[0].iov_len = descsize;
-       bufferlist[1].iov_base = buffer;
-       bufferlist[1].iov_len = bufferlen;
-       bufferlist[2].iov_base = &aligned_data;
-       bufferlist[2].iov_len = (packetlen_aligned - packetlen);
-
-       return hv_ringbuffer_write(channel, bufferlist, 3);
-}
-EXPORT_SYMBOL_GPL(vmbus_sendpacket_multipagebuffer);
-
 /**
  * vmbus_recvpacket() - Retrieve the user packet on the specified channel
  * @channel: Pointer to vmbus_channel structure.

diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index b7d7bbe..39a080c 100644 (file)
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -1052,12 +1052,6 @@ extern int vmbus_sendpacket_pagebuffer_ctl(struct vmbus_channel *channel,
                                           u64 requestid,
                                           u32 flags);
 
-extern int vmbus_sendpacket_multipagebuffer(struct vmbus_channel *channel,
-                                       struct hv_multipage_buffer *mpb,
-                                       void *buffer,
-                                       u32 bufferlen,
-                                       u64 requestid);
-
 extern int vmbus_sendpacket_mpb_desc(struct vmbus_channel *channel,
                                     struct vmbus_packet_mpb_array *mpb,
                                     u32 desc_size,