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gfs2: Fix filesystem freeze deadlocks

Andreas Gruenbacher requested to merge agruenba/centos-stream-9:bz2228849 into main

Bugzilla: https://bugzilla.redhat.com/2228849

When a filesystem freeze is initiated from multiple nodes at the same time, gfs2 can deadlock, leading to a filesystem withdraw. Rework the freeze/thaw logic to prevent that from happening.

Signed-off-by: Andreas Gruenbacher agruenba@redhat.com

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