From: Fan Du <fan.du@windriver.com>
Date: Sat, 18 Jan 2014 01:54:23 +0000 (+0800)
Subject: skbuff: Introduce skb_to_sgvec_nomark to map skb without mark new end
X-Git-Tag: v3.15-rc1~113^2~287^2~12
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=25a91d8d91911f84a03a039339b29537e7f1970d;p=pandora-kernel.git

skbuff: Introduce skb_to_sgvec_nomark to map skb without mark new end

As compared with skb_to_sgvec, skb_to_sgvec_nomark only map skb to given sglist
without mark the sg which contain last skb data as the end. So the caller can
mannipulate sg list as will when padding new data after the first call without
calling sg_unmark_end to expend sg list.

Signed-off-by: Fan Du <fan.du@windriver.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
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