a54e7ac gfs-kernel: bz487610 - Change gfs freeze/unfreeze to use new standard

Authored and Committed by adas 14 years ago
    gfs-kernel: bz487610 - Change gfs freeze/unfreeze to use new standard
    
    This patch adds support to gfs(FS_HAS_FREEZE) to freeze/thaw through
    the new ioctl interface.
    
    Signed-off-by: Abhi Das <adas@redhat.com>