[Ocfs2-tools-commits] branch, reinstall-hb-ctl, created. ocfs2-tools-1.4.0-70-g6ab98e0

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- Log -----------------------------------------------------------------
commit 6ab98e0ba6a514f2c27d7c6109432953dfb976a2
Author: Joel Becker <joel.becker at oracle.com>
Date:   Mon Jun 2 15:04:46 2008 -0700

    ocfs2_hb_ctl: Use ocfs2_hb_ctl again for o2cb umount(2).
    
    We've determined that mountpoints cannot be safely tracked from
    userspace.  The only safe place to leave a filesystem group is in
    put_super(7).  We used to do this via ocfs2_hb_ctl, and we're going to
    do so again.
    
    This change does three things:
    
    1) Puts ocfs2_hb_ctl(8) back in /proc/sys/fs/ocfs2/nm/hb_ctl_path
    2) Teaches ocfs2_hb_ctl(8) to do nothing when the cluster stack isn't o2cb
    3) Teaches umount.ocfs2(8) to skip cluster interaction when the cluster
       stack *is* o2cb.
    
    Thus, ocfs2_hb_ctl(8) is used for o2cb clusters and umount.ocfs2(8) is
    used for all other cluster stacks.  Future changes will add support for
    all cluster stacks to ocfs2_hb_ctk(8), removing the need for
    umount.ocfs2(8).
    
    Signed-off-by: Joel Becker <joel.becker at oracle.com>

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