[PATCH 2/2] generic/15[78]: fix error messages in the golden output

[Christoph Hellwig]

> --- a/tests/generic/158.out
> +++ b/tests/generic/158.out
>  Try to dedupe a device
> -XFS_IOC_FILE_EXTENT_SAME: Permission denied
> +XFS_IOC_FILE_EXTENT_SAME: Invalid argument
>  Try to dedupe to a dir
> -/mnt/test-158/dir1: Is a directory
> +TEST_DIR/test-158/dir1: Is a directory
>  Try to dedupe to a device
> -dedupe: Permission denied
> +dedupe: Operation not supported
>  Try to dedupe to a fifo
> -dedupe: Permission denied
> +dedupe: Operation not supported

Shouldn't these be Invalid argument just like the
to a device case above or the clone case?

Otherwise looks good,

Reviewed-by: Christoph Hellwig <hch at lst.de>