Re: [RFC PATCH v2 0/5] Add buffered write-through support to iomap & xfs

[Pankaj Raghav <pankaj.raghav@linux.dev>]

> Ohk, just noticed your reply, after sending a response...
> 
> Thinking it again, I agree we should just always ftruncate it back to
> the original file_size. Because we might have changed to file size while
> testing the writethrough support.
> 
> Thanks for fixing it! This fix looks right to me.
> 
> ~# git diff
> diff --git a/ltp/fsx.c b/ltp/fsx.c
> index c9901f65..720bca83 100644
> --- a/ltp/fsx.c
> +++ b/ltp/fsx.c
> @@ -2095,7 +2095,7 @@ test_writethrough_io(void)
>                 return 0;
>         }
> 
> -       if (ftruncate(fd, 0) != 0) {
> +       if (ftruncate(fd, file_size) != 0) {
>                 perror("test_writethrough_io: failed to ftruncate to 0\n");
>                 exit(132);
>         }
> 

Yes, this fixes it. I knew it was some issue with fsx itself.

--
Pankaj