xfs: validate the realtime geometry in xfs_validate_sb_common

Source kernel commit: f8e566c0f5e1fd8de33ccec6eb1ff815cd4b0dc3

Validate the geometry of the realtime geometry when we mount the
filesystem, so that we don't abruptly shut down the filesystem later on.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
Signed-off-by: Eric Sandeen <sandeen@sandeen.net>

2 files changed