Dirsync is somewhat similar, except it's used to guarantee the write completes serially and synchronously. It's therefor a performance pessimization, somewhat like the sync mount option (;-)) I was just talking about the need to request directory updates as they come in and in order, as opposed to delaying and reordering them. Ian's thesis actualy went into the degree to which one could delay and reorder directory writes, but I didn't want to add that complexity to a very short email. --dave
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