linux-ext4 - Re: metadata_csum + unclean shutdown = failure to boot

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Date:	Mon, 08 Oct 2012 12:03:26 +0800
From:	Tao Ma <tm@....ma>
To:	George Spelvin <linux@...izon.com>
CC:	tytso@....edu, linux-ext4@...r.kernel.org
Subject: Re: metadata_csum + unclean shutdown = failure to boot

On 10/08/2012 11:17 AM, George Spelvin wrote:
> I'm testing that patch, but you may want to fix it a bit more before submitting to
> stable@...
> fs/ext4/resize.c: In function 'update_backups':
> fs/ext4/resize.c:973:39: error: too many arguments to function 'ext4_superblock_csum_set'
> In file included from fs/ext4/ext4_jbd2.h:20:0,
>                  from fs/ext4/resize.c:17:
> fs/ext4/ext4.h:2049:13: note: declared here
> 
> The fix is of course obvious and I'm compiling it now.
> 
> diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
> index 41f6ef6..e781259 100644
> --- a/fs/ext4/resize.c
> +++ b/fs/ext4/resize.c
> @@ -970,7 +970,7 @@ static void update_backups(struct super_block *sb,
>  		goto exit_err;
>  	}
>  
> -	ext4_superblock_csum_set(sb, (struct ext4_super_block *)data);
> +	ext4_superblock_csum_set(sb);
this line is already removed in my commit bef53b01 and will be in
stable. So this patch should work as expected.

Thanks
Tao
>  
>  	while ((group = ext4_list_backups(sb, &three, &five, &seven)) < last) {
>  		struct buffer_head *bh;
> --
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