From: Steven Whitehouse <swhiteho@redhat.com>
Date: Mon, 11 Jun 2012 12:16:35 +0000 (+0100)
Subject: seq_file: Add seq_vprintf function and export it
X-Git-Tag: v3.6-rc1~104^2~8
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a4808147dcf1ecf2f76212a78fd9692b3c112f47;p=pandora-kernel.git

seq_file: Add seq_vprintf function and export it

The existing seq_printf function is rewritten in terms of the new
seq_vprintf which is also exported to modules. This allows GFS2
(and potentially other seq_file users) to have a vprintf based
interface and to avoid an extra copy into a temporary buffer in
some cases.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Reported-by: Eric Dumazet <eric.dumazet@gmail.com>
Acked-by: Al Viro <viro@ZenIV.linux.org.uk>
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