From e013ac312c79379b26cf29012cfbb37c68f79283 Mon Sep 17 00:00:00 2001
From: Yue Zhang <yuezha@microsoft.com>
Date: Fri, 27 Jun 2014 18:19:48 -0700
Subject: [PATCH] Tools: hv: fix file overwriting of hv_fcopy_daemon

hv_fcopy_daemon fails to overwrite a file if the target file already
exits.

Add O_TRUNC flag on opening.

Signed-off-by: Yue Zhang <yuezha@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Reading git-format-patch failed