From 3f7c579c41a3d20af76fd6ff1f6b949edf105fd1 Mon Sep 17 00:00:00 2001
From: Chris Mason <chris.mason@oracle.com>
Date: Wed, 26 May 2010 10:59:53 -0400
Subject: [PATCH] Btrfs: move O_DIRECT space reservation to btrfs_direct_IO

This moves the delalloc space reservation done for O_DIRECT
into btrfs_direct_IO.  This way we don't leak reserved space
if the generic O_DIRECT write code errors out before it
calls into btrfs_direct_IO.

Signed-off-by: Chris Mason <chris.mason@oracle.com>
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