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  • Peng Tao's avatar
    nfs: add export operations · 20fa1902
    Peng Tao authored
    
    
    This support for opening files on NFS by file handle, both through the
    open_by_handle syscall, and for re-exporting NFS (for example using a
    different version).  The support is very basic for now, as each open by
    handle will have to do an NFSv4 open operation on the wire.  In the
    future this will hopefully be mitigated by an open file cache, as well
    as various optimizations in NFS for this specific case.
    
    Signed-off-by: default avatarPeng Tao <tao.peng@primarydata.com>
    [hch: incorporated various changes, resplit the patches, new changelog]
    Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
    Signed-off-by: default avatarAnna Schumaker <Anna.Schumaker@Netapp.com>
    20fa1902