John Landamore started an interesting thread on the Linux CIFS Client mailing list. He pointed out that W2K, W2K3, and W/XP can all mount subdirectories of a share, as in:

Kenneth MacDonald claimed that Microsoft calls this "deep mapping" (which sounds reasonable, though I can't find any reference to that term when I search Microsoft's website).

Watching on the wire, it seems that the client is performing a traditional TREE_CONNECT_ANDX to the share itself (not the subdirectory). After that, the client performs all operations relative to the specified subdirectory. In other words deep mapping occurs on the client side.


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