From: Neal Cardwell <ncardwell@google.com>
Date: Sun, 12 Feb 2012 18:37:09 +0000 (+0000)
Subject: tcp: allow tcp_sacktag_one() to tag ranges not aligned with skbs
X-Git-Tag: v3.2.9~41
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aaa9bcd96008a3d7879c3a679625c7ff61b6360b;p=pandora-kernel.git

tcp: allow tcp_sacktag_one() to tag ranges not aligned with skbs

[ Upstream commit cc9a672ee522d4805495b98680f4a3db5d0a0af9 ]

This commit allows callers of tcp_sacktag_one() to pass in sequence
ranges that do not align with skb boundaries, as tcp_shifted_skb()
needs to do in an upcoming fix in this patch series.

In fact, now tcp_sacktag_one() does not need to depend on an input skb
at all, which makes its semantics and dependencies more clear.

Signed-off-by: Neal Cardwell <ncardwell@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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