From 2a0e33889b3f5e3c270dd1b746f4c0a75efa4790 Mon Sep 17 00:00:00 2001
From: Namhyung Kim <namhyung@gmail.com>
Date: Wed, 13 Oct 2010 17:17:18 +0900
Subject: [PATCH] jbd: Check return value of __getblk()

Fail journal creation if __getblk() returns NULL.  unlikely() is
added because it is called in a loop and we've been OK without
the check until now.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Signed-off-by: Jan Kara <jack@suse.cz>
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Reading git-format-patch failed