linux-ext4 - Re: [PATCH 5/5] ext4: Mark group corrupt on group descriptor checksum error

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Message-ID: <20130828224947.GK27079@thunk.org>
Date:	Wed, 28 Aug 2013 18:49:47 -0400
From:	Theodore Ts'o <tytso@....edu>
To:	"Darrick J. Wong" <darrick.wong@...cle.com>
Cc:	linux-ext4@...r.kernel.org
Subject: Re: [PATCH 5/5] ext4: Mark group corrupt on group descriptor
 checksum error

On Fri, Jul 19, 2013 at 04:56:05PM -0700, Darrick J. Wong wrote:
> If the group descriptor fails validation, mark the whole blockgroup corrupt so
> that the inode/block allocators skip this group.  The previous approach takes
> the risk of writing to a damaged group descriptor; hopefully it was never the
> case that the [ib]bitmap fields pointed to another valid block and got dirtied,
> since the memset would fill the page with 1s.
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@...cle.com>

Thanks, applied.

						- Ted
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