linux-ext4 - Re: Far too long mount time

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Message-ID: <20120817135506.GC11439@thunk.org>
Date:	Fri, 17 Aug 2012 09:55:06 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	Calvin Walton <calvin.walton@...stin.ca>
Cc:	Andreas Dilger <adilger@...ger.ca>,
	Javier Marcet <jmarcet@...il.com>,
	Linux Ext4 Mailing List <linux-ext4@...r.kernel.org>,
	jpiszcz@...idpixels.com
Subject: Re: Far too long mount time

On Thu, Aug 16, 2012 at 02:53:37PM -0400, Theodore Ts'o wrote:
> This patch should solve the problem (as an alternative to reverting
> 8aeb00ff85a).
> 
> 
> diff --git a/fs/ext4/super.c b/fs/ext4/super.c
> index 603023b..055c65b 100644
> --- a/fs/ext4/super.c
> +++ b/fs/ext4/super.c
> @@ -3129,6 +3129,10 @@ static int count_overhead(struct super_block *sb, ext4_group_t grp,
>  	ext4_group_t		i, ngroups = ext4_get_groups_count(sb);
>  	int			s, j, count = 0;
>  
> +	if (!EXT4_HAS_RO_COMPAT_FEATURE(sb, EXT4_FEATURE_RO_COMPAT_BIGALLOC))
> +		return (ext4_bg_has_super(sb, grp) + ext4_bg_num_gdb(sb, i) +
                                                                        ^^^

This should be "grp"; stupid typo on my part.

This patch with the fix-up will be pushed to Linus shortly and tagged
for the stable tree.

     	       	      	     	     	- Ted
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