From 024949ec8fc165bfac8eb051e537bc303adb365f Mon Sep 17 00:00:00 2001
From: Patrick Palka <patrick@parcs.ath.cx>
Date: Mon, 17 Feb 2014 20:50:59 -0500
Subject: [PATCH] ext4: address a benign compiler warning
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When !defined(CONFIG_EXT4_DEBUG), mb_debug() should be defined as a
no_printk() statement instead of an empty statement in order to suppress
the following compiler warning:

fs/ext4/mballoc.c: In function ‘ext4_mb_cleanup_pa’:
fs/ext4/mballoc.c:2659:47: warning: suggest braces around empty body in an ‘if’ statement [-Wempty-body]
   mb_debug(1, "mballoc: %u PAs left\n", count);

Signed-off-by: Patrick Palka <patrick@parcs.ath.cx>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
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