[PATCH] xfs_db: exit on invalid magic number

[Felix Blyakher]

On Jan 30, 2009, at 1:47 AM, Christoph Hellwig wrote:

> Fail gracefully and with a useful error message when we detect an
> invalid superblock magic in xfs_db.  Add a new -F flag to continue
> when seeing the invalid magic number - that way xfs_check and
> xfs_metadump can be used on a filesystem that has a corrupted primary
> superblock.
>
>
> Signed-off-by: Christoph Hellwig <hch at lst.de>

Reviewed-by: Felix Blyakher <felixb at sgi.com>