From 59b802e5a453d413e7222d179be405cbadca3a8e Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim <jaegeuk@kernel.org>
Date: Mon, 9 Feb 2015 12:09:53 -0800
Subject: [PATCH] f2fs: allocate data blocks in advance for f2fs_direct_IO

This patch adds preallocation for data blocks to prepare f2fs_direct_IO.

Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
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