[PATCH 4/5] xfs: don't need dirv2 checks anymore

[Christoph Hellwig]

> -	ASSERT(xfs_sb_version_hasdirv2(&mp->m_sb));
> +	ASSERT(mp->m_sb.sb_versionnum & XFS_SB_VERSION_DIRV2BIT);

How is this going to work for v5 filesystems?  Probably better to just
kill the assert..

Otherwise looks good,

Reviewed-by: Christoph Hellwig <hch at lst.de>