Re: [PATCH 02/19] e2fsck: never free critical metadata blocks in the block found map

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On Fri, Aug 01, 2014 at 11:11:53AM -0700, Darrick J. Wong wrote:
> From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
> 
> Don't allow critical metadata blocks to be marked free in the block
> found map.  This can theoretically happen on an FS where a first
> inode's ETB/indirect map block is in the inode table, the first inode
> is itself unclonable (and thus gets deleted) and there are enough
> crosslinked files before and after the first inode to use up all the
> free blocks during pass 1b.
> 
> (I do actually have a test FS image but it's 256M and it proved very
> difficult to craft a bite-sized test case that actually hit this bug.)
> 
> Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>

Applied, thanks.

						- Ted
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