Re: [PATCH] fstests: btrfs regression test for fsync after extent cloning

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On Wed, Aug 19, 2015 at 11:12:08AM +0100, fdmanana@xxxxxxxxxx wrote:
> From: Filipe Manana <fdmanana@xxxxxxxx>
> 
> Test that if we fsync a file that got one extent partially cloned into a
> lower file offset, after a power failure our file has the same content it
> had before the power failure and after the extent cloning operation.
> 
> This test is motivated by an issue found in btrfs that is fixed by the
> linux kernel patch titled:
> 
>   "Btrfs: fix file read corruption after extent cloning and fsync"
> 
> Signed-off-by: Filipe Manana <fdmanana@xxxxxxxx>

Looks good to me.

Reviewed-by: Eryu Guan <eguan@xxxxxxxxxx>
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