[Ocfs2-tools-commits] branch, libdlmcontrol, created. ocfs2-tools-1.4.0-130-gff6966b

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The branch, libdlmcontrol has been created
        at  ff6966bae87937814a10a4eabf37f74afa1e36f3 (commit)

- Log -----------------------------------------------------------------
commit ff6966bae87937814a10a4eabf37f74afa1e36f3
Author: Joel Becker <joel.becker at oracle.com>
Date:   Tue Aug 12 15:59:05 2008 -0700

    ocfs2_controld: Notify dlm_controld when we have a node go down.
    
    ocfs2 must start recovery before the dlm completes its recovery.
    Otherwise, the dlm might give out locks that belonged to the dead node
    before ocfs2 has had a chance to replay its journal.
    
    libdlmcontrol implements this ordering.  When ocfs2_controld sees a node
    go down, it tells dlm_controld via dlmc_fs_notified().  dlm_controld
    responds with success if it also has seen the node go down.  It
    responds nonzero otherwise.  dlm_controld knows to wait until it has
    seen the notification from ocfs2_controld.
    
    The ocfs2_controld implementation is simple.  It first notifies ocfs2,
    then sends the notification to dlm_controld.  ocfs2_controld will keep
    resending it while dlm_controld responds in the negative.  When
    dlm_controld finally gets the node down event, ocfs2_controld will stop
    sending.  We keep such a simple busy-looping scheme because the
    back-and-forth traffic actually means context switches and process
    sleeping.
    
    Signed-off-by: Joel Becker <joel.becker at oracle.com>

commit cffa83d340b3a3ffa58ebe16210fae298315f71f
Author: Joel Becker <joel.becker at oracle.com>
Date:   Tue Aug 12 15:09:15 2008 -0700

    ocfs2_controld: De-register all filesystems on exit.
    
    If we're exiting uncleanly, we'll have a list of registered filesystems.
    Send fire-and-forget unregister events to dlm_controld.
    
    Signed-off-by: Joel Becker <joel.becker at oracle.com>

commit 98f045c8b89cb6f513aa3329bb1b1dcc49c0d0ac
Author: Joel Becker <joel.becker at oracle.com>
Date:   Fri Aug 1 19:55:23 2008 -0700

    ocfs2_controld: Register mountgroups with dlm_controld
    
    Links up the mountgroup code with the dlmcontrol code.
    
    Signed-off-by: Joel Becker <joel.becker at oracle.com>

commit f7e45e0ef68dcd5fd125e8fcfac80000661834d4
Author: Joel Becker <joel.becker at oracle.com>
Date:   Fri Aug 1 19:13:29 2008 -0700

    ocfs2_controld: Registration function for lockspaces.
    
    We want to register a filesystem uuid with dlm_controld so that the
    lockspace waits on us before recovery.  We use libdlmcontrol's
    registration functions.
    
    Signed-off-by: Joel Becker <joel.becker at oracle.com>

commit 7cb8df5a1fb39f48e1768148f08f2e19349a09ac
Author: Joel Becker <joel.becker at oracle.com>
Date:   Fri Aug 1 19:13:03 2008 -0700

    ocfs2_control: udev rule update
    
    We only have one filename, so there is no need to use %k.  udevd didn't
    like it somehow.
    
    Signed-off-by: Joel Becker <joel.becker at oracle.com>

commit 2699aa1dfc77a6cfaf145af40720a0ccea1876ee
Author: Joel Becker <joel.becker at oracle.com>
Date:   Fri Aug 1 15:52:26 2008 -0700

    ocfs2_controld: Connect to dlm_controld.
    
    Our first step in introducing the dlmcontrol API is to connect and
    disconnect from dlm_controld at start and exit.
    
    Signed-off-by: Joel Becker <joel.becker at oracle.com>

commit 06432a1368968ac43b616a9671ca66fb70ba50a3
Author: Joel Becker <joel.becker at oracle.com>
Date:   Tue Jul 29 18:15:01 2008 -0700

    ocfs2_controld: Make libdlmcontrol required
    
    ocfs2_controld needs to use libdlmcontrol to talk to dlm_controld.  This
    makes configure detect its presence.  It also separates
    BUILD_OCFS2_CONTROLD from BUILD_CMAN_SUPPORT.  The parts required for
    all ocfs2_controlds (cpg, openais, libdlm, libdlmcontrol) are tested
    separately then the cman part specific to a cman controld.
    
    This allows other stacks to check and set BUILD_XXX_SUPPORT for their
    own controld independent of cpg/libdlm.
    
    Signed-off-by: Joel Becker <joel.becker at oracle.com>

commit 70ff146b924343dc06dfbdc238479705285b7f93
Author: Joel Becker <joel.becker at oracle.com>
Date:   Fri Aug 8 18:07:50 2008 -0700

    libo2dlm: Fix a couple of bugs accessing libdlm.
    
    This fixes two bugs with libdlm.  First, older versions of fs/dlm could
    return EEXIST while the filesystem is mounted.  Handle that.  Second,
    and uninitialized dlm_ctxt sometimes prevented us from loading libdlm in
    the first place.
    
    Signed-off-by: Joel Becker <joel.becker at oracle.com>

commit f07477da2af1c5da8a51c4a5e9c45bbda74f8496
Author: Joel Becker <joel.becker at oracle.com>
Date:   Tue Jul 29 17:08:36 2008 -0700

    libo2dlm: We create libdlm.h for compatibility when we don't find libdlm.  Let's ignore that file.
    
    Signed-off-by: Joel Becker <joel.becker at oracle.com>

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