linux-kernel - Re: [PATCH v2] f2fs-tools: fix the usage message of overprovision option

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Message-ID: <4f0395b6-82a6-e009-0332-f64b197ceb43@huawei.com>
Date:   Tue, 15 Aug 2017 20:09:52 +0800
From:   Chao Yu <yuchao0@...wei.com>
To:     Yunlong Song <yunlong.song@...wei.com>, <jaegeuk@...nel.org>,
        <chao@...nel.org>, <yunlong.song@...oud.com>
CC:     <miaoxie@...wei.com>, <bintian.wang@...wei.com>,
        <linux-fsdevel@...r.kernel.org>,
        <linux-f2fs-devel@...ts.sourceforge.net>,
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2] f2fs-tools: fix the usage message of overprovision
 option

On 2017/8/15 15:41, Yunlong Song wrote:
> The usage message shows a wrong message for ovp option, so fix it.
> 
> Signed-off-by: Yunlong Song <yunlong.song@...wei.com>
> ---
>  mkfs/f2fs_format_main.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/mkfs/f2fs_format_main.c b/mkfs/f2fs_format_main.c
> index a3652a9..3279829 100644
> --- a/mkfs/f2fs_format_main.c
> +++ b/mkfs/f2fs_format_main.c
> @@ -41,7 +41,7 @@ static void mkfs_usage()
>  	MSG(0, "  -f force overwrite the exist filesystem\n");
>  	MSG(0, "  -l label\n");
>  	MSG(0, "  -m support zoned block device [default:0]\n");
> -	MSG(0, "  -o overprovision ratio [default:5]\n");
> +	MSG(0, "  -o overprovision ratio [initial value 0 lets mkfs determine its best value]\n");

[mkfs decides, the value trends to maximize user visible space]  ?

Thanks,

>  	MSG(0, "  -O [feature list] e.g. \"encrypt\"\n");
>  	MSG(0, "  -q quiet mode\n");
>  	MSG(0, "  -s # of segments per section [default:1]\n");
>