Re: [Qemu-devel] [PATCH 24/27] file-posix: Fix no-op bdrv_truncate() with falloc preallocation

[Max Reitz]

On 2018-02-08 20:23, Kevin Wolf wrote:
> If bdrv_truncate() is called, but the requested size is the same as
> before, don't call posix_fallocate(), which returns -EINVAL for length
> zero and would therefore make bdrv_truncate() fail.
> 
> The problem can be triggered by creating a zero-sized raw image with
> 'falloc' preallocation mode.
> 
> Signed-off-by: Kevin Wolf <address@hidden>
> ---
>  block/file-posix.c | 14 +++++++++-----
>  1 file changed, 9 insertions(+), 5 deletions(-)

Reviewed-by: Max Reitz <address@hidden>

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