7efc2d2 Ticket 49298 - force sync() on shutdown

Authored and Committed by William Brown 6 years ago
    Ticket 49298 - force sync() on shutdown
    
    Bug Description:  During shutdown on xfs we would occasionally
    see a broke dse.ldif (specifically, empty). This happens due to
    a bug in xfs where the directory isn't synced on rename().
    
    Fix Description:  As we shutdown call sync() to force all our
    writes to disk - dse.ldif, logs, db, all of it.
    
    https://pagure.io/389-ds-base/issue/49298
    
    Author: wibrown
    
    Review by: mreynolds (Thanks!)
    
        
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