linux-ext4 - Re: [PATCH] mke2fs: clarify inline data inode size error message

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Date:	Sun, 28 Sep 2014 22:53:50 -0700
From:	"Darrick J. Wong" <darrick.wong@...cle.com>
To:	Eric Whitney <enwlinux@...il.com>
Cc:	linux-ext4@...r.kernel.org, tytso@....edu
Subject: Re: [PATCH] mke2fs: clarify inline data inode size error message

On Sat, Sep 27, 2014 at 11:55:15AM -0400, Eric Whitney wrote:
> The existing error message can be made more helpful by more clearly
> implying the attempt to make a file system with undersized inodes is
> failing and suggesting a corrective action.
> 
> Signed-off-by: Eric Whitney <enwlinux@...il.com>
> ---
>  misc/mke2fs.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/misc/mke2fs.c b/misc/mke2fs.c
> index 2bc435b..00bb00d 100644
> --- a/misc/mke2fs.c
> +++ b/misc/mke2fs.c
> @@ -2358,7 +2358,8 @@ profile_error:
>  	     EXT4_FEATURE_INCOMPAT_INLINE_DATA) &&
>  	    fs_param.s_inode_size == EXT2_GOOD_OLD_INODE_SIZE) {
>  		com_err(program_name, 0,
> -			_("inode size is %d, inline data is useless"),
> +			_("%d byte inodes are too small for inline data; "
> +			  "specify larger size"),

How much larger?  The next larger inode size is 256 bytes, so we ought to tell
the user that.  ("specify a size at least 256 bytes"?)

--D

>  			fs_param.s_inode_size);
>  		exit(1);
>  	}
> -- 
> 1.9.1
> 
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