linux-ext4 - Re: Boot failure with ext2 and initrds

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Message-Id: <20061115223937.fa7c1bad.akpm@osdl.org>
Date:	Wed, 15 Nov 2006 22:39:37 -0800
From:	Andrew Morton <akpm@...l.org>
To:	Hugh Dickins <hugh@...itas.com>, Mel Gorman <mel@...net.ie>,
	"Martin J. Bligh" <mbligh@...igh.org>,
	linux-kernel@...r.kernel.org,
	"linux-ext4@...r.kernel.org" <linux-ext4@...r.kernel.org>,
	Mingming Cao <cmm@...ibm.com>
Subject: Re: Boot failure with ext2 and initrds

On Wed, 15 Nov 2006 21:45:34 -0800
Andrew Morton <akpm@...l.org> wrote:

> --- a/fs/ext2/balloc.c~a
> +++ a/fs/ext2/balloc.c
> @@ -524,7 +524,7 @@ bitmap_search_next_usable_block(ext2_grp
>  	ext2_grpblk_t next;
>  
>  	next = ext2_find_next_zero_bit(bh->b_data, maxblocks, start);
> -	if (next >= maxblocks)
> +	if (next >= start + maxblocks)
>  		return -1;
>  	return next;
>  }
> _
> 
> Anyway, I think that's the bug.

Changed my mind.  Drat.
-
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