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authorJason Wang <jasowang@redhat.com>2013-08-06 17:45:03 +0800
committerDavid S. Miller <davem@davemloft.net>2013-08-07 16:52:33 -0700
commitb4bf07771faaf959b0a916d35b1b930c030e30a8 (patch)
tree9292ea7010fc74fb5c3f5039ee3886b1f42702f3 /drivers/net/macvtap.c
parent6261d983f226f0a6a8d4d32b57a032bc23a5ebb6 (diff)
net: move iov_pages() to net/core/iovec.c
To let it be reused and reduce code duplication. Signed-off-by: Jason Wang <jasowang@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/macvtap.c')
-rw-r--r--drivers/net/macvtap.c23
1 files changed, 0 insertions, 23 deletions
diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
index a98fb0ed6aef..dfec20df17ba 100644
--- a/drivers/net/macvtap.c
+++ b/drivers/net/macvtap.c
@@ -698,29 +698,6 @@ static int macvtap_skb_to_vnet_hdr(const struct sk_buff *skb,
return 0;
}
-static unsigned long iov_pages(const struct iovec *iv, int offset,
- unsigned long nr_segs)
-{
- unsigned long seg, base;
- int pages = 0, len, size;
-
- while (nr_segs && (offset >= iv->iov_len)) {
- offset -= iv->iov_len;
- ++iv;
- --nr_segs;
- }
-
- for (seg = 0; seg < nr_segs; seg++) {
- base = (unsigned long)iv[seg].iov_base + offset;
- len = iv[seg].iov_len - offset;
- size = ((base & ~PAGE_MASK) + len + ~PAGE_MASK) >> PAGE_SHIFT;
- pages += size;
- offset = 0;
- }
-
- return pages;
-}
-
/* Get packet from user space buffer */
static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m,
const struct iovec *iv, unsigned long total_len,