linux-kernel - Re: [PATCH RESEND 11/12] xfstests: fsx: Add fallocate insert range operation

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20150217010033.GG4251@dastard>
Date:	Tue, 17 Feb 2015 12:00:33 +1100
From:	Dave Chinner <david@...morbit.com>
To:	Namjae Jeon <linkinjeon@...il.com>
Cc:	tytso@....edu, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-ext4@...r.kernel.org,
	xfs@....sgi.com, a.sangwan@...sung.com, bfoster@...hat.com,
	mtk.manpages@...il.com, linux-man@...r.kernel.org,
	linux-api@...r.kernel.org, Namjae Jeon <namjae.jeon@...sung.com>
Subject: Re: [PATCH RESEND 11/12] xfstests: fsx: Add fallocate insert range
 operation

On Tue, Feb 17, 2015 at 12:47:58AM +0900, Namjae Jeon wrote:
> From: Namjae Jeon <namjae.jeon@...sung.com>
> 
> This commit adds fallocate FALLOC_FL_INSERT_RANGE support for fsx.
> 
> Signed-off-by: Namjae Jeon <namjae.jeon@...sung.com>
> Signed-off-by: Ashish Sangwan <a.sangwan@...sung.com>
> Reviewed-by: Brian Foster <bfoster@...hat.com>
> ---
>  ltp/fsx.c |  124 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++-----
>  1 file changed, 114 insertions(+), 10 deletions(-)
.....
> @@ -339,6 +341,14 @@ logdump(void)
>  						     lp->args[0] + lp->args[1])
>  				prt("\t******CCCC");
>  			break;
> +		case OP_INSERT_RANGE:
> +			prt("INSERT 0x%x thru 0x%x\t(0x%x bytes)",
> +			    lp->args[0], lp->args[0] + lp->args[1] - 1,
> +			    lp->args[1]);
> +			if (badoff >= lp->args[0] && badoff <
> +						     lp->args[0] + lp->args[1])
> +				prt("\t******CCCC");

Probably should output "*****IIII" so we can distinguish it from
collapse operations easily.

> @@ -1307,6 +1403,9 @@ usage(void)
>  #ifdef FALLOC_FL_COLLAPSE_RANGE
>  "	-C: Do not use collapse range calls\n"
>  #endif
> +#ifdef FALLOC_FL_INSERT_RANGE
> +"	-i: Do not use insert range calls\n"
> +#endif

I'd make that "-I" rather than "-i" so it matches with the "-C" of
collapse range.

Cheers,

Dave.
-- 
Dave Chinner
david@...morbit.com
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/