2.6.30 panic - xfs_fs_destroy_inode

[Christoph Hellwig]

On Tue, Jun 23, 2009 at 04:17:13AM -0400, Lachlan McIlroy wrote:
> It looks to me like xfs_reclaim_inode() has returned EAGAIN because the
> XFS_RECLAIM flag was set on the xfs inode.  This implies we are trying
> to reclaim an inode that is already in the process of being reclaimed.
> I'm not sure how this happened but it could be a simple case of ignoring
> this error since the reclaim is already in progress.

Well, having the reclaim already in progress means we're racing here.
And I suspect this fits into the other bugs with possibly duplicat
inodes we see after the inode+xfs_inode unification.