From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joe Perches <joe@perches.com>
Date: Wed, 10 Nov 2010 15:01:23 -0800
Subject: [Cluster-devel] [PATCH 0/9] treewide: convert vprintk uses to
	%pV
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	<AANLkTinhcbdm8YQOrFVdONODo6K6PcxHYtx5vqnap_3T@mail.gmail.com>
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On Wed, 2010-11-10 at 14:48 -0800, Luis R. Rodriguez wrote:
> When was this added upstream BTW? I ask for backport considerations.

commit 7db6f5fb65a82af03229eef104dc9899c5eecf33
Author: Joe Perches <joe@perches.com>
Date:   Sun Jun 27 01:02:33 2010 +0000

    vsprintf: Recursive vsnprintf: Add "%pV", struct va_format
    
    Add the ability to print a format and va_list from a structure pointer
    
    Allows __dev_printk to be implemented as a single printk while
    minimizing string space duplication.
    
    %pV should not be used without some mechanism to verify the
    format and argument use ala __attribute__(format (printf(...))).
    
    Signed-off-by: Joe Perches <joe@perches.com>
    Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
    Signed-off-by: David S. Miller <davem@davemloft.net>