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Re: [Qemu-devel] [Qemu-block] [PATCH v2 for-2.10 07/16] block/file-posix

From: Stefan Hajnoczi
Subject: Re: [Qemu-devel] [Qemu-block] [PATCH v2 for-2.10 07/16] block/file-posix: Generalize raw_regular_truncate
Date: Thu, 6 Apr 2017 13:33:15 +0100
User-agent: Mutt/1.8.0 (2017-02-23)

On Mon, Apr 03, 2017 at 06:09:27PM +0200, Max Reitz wrote:
> Currently, raw_regular_truncate() is intended for setting the size of a
> newly created file. However, we also want to use it for truncating an
> existing file in which case only the newly added space (when growing)
> should be preallocated.
> This also means that if resizing failed, we should try to restore the
> original file size. This is important when using preallocation.
> Signed-off-by: Max Reitz <address@hidden>
> ---
>  block/file-posix.c | 61 
> ++++++++++++++++++++++++++++++++++++++++++++----------
>  1 file changed, 50 insertions(+), 11 deletions(-)

Reviewed-by: Stefan Hajnoczi <address@hidden>

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