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Message-ID: <20140225201854.GA13647@dastard>
Date:	Wed, 26 Feb 2014 07:18:54 +1100
From:	Dave Chinner <david@...morbit.com>
To:	Lukas Czerner <lczerner@...hat.com>
Cc:	linux-ext4@...r.kernel.org, xfs@....sgi.com,
	linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 3/6] xfstests: fsstress punch should always have
 FALLOC_FL_KEEP_SIZE set

On Tue, Feb 25, 2014 at 08:15:25PM +0100, Lukas Czerner wrote:
> Signed-off-by: Lukas Czerner <lczerner@...hat.com>
> ---
>  ltp/fsstress.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/ltp/fsstress.c b/ltp/fsstress.c
> index 4c3368f..42c8a5a 100644
> --- a/ltp/fsstress.c
> +++ b/ltp/fsstress.c
> @@ -2555,8 +2555,8 @@ punch_f(int opno, long r)
>  	off = (off64_t)(lr % MIN(stb.st_size + (1024 * 1024), MAXFSIZE));
>  	off %= maxfsize;
>  	len = (off64_t)(random() % (1024 * 1024));
> -	mode |= FALLOC_FL_KEEP_SIZE & random();
>  	e = fallocate(fd, mode, (loff_t)off, (loff_t)len) < 0 ? errno : 0;
> +	mode |= FALLOC_FL_KEEP_SIZE;
>  	if (v)
>  		printf("%d/%d: punch hole(%d) %s %s %lld %lld %d\n",
>  		       procid, opno, mode,

NACK. There's nothing wrong with testing a set of parameters that
should fail in a stress test.

Regardless, the patch is wrong...

Cheers,

Dave.
-- 
Dave Chinner
david@...morbit.com
--
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