nfsd4: Convert NFSv4 to new lock interface
Convert NFSv4 to the new lock interface. We don't define any callback for now, so we're not taking advantage of the asynchronous feature--that's less critical for the multi-threaded nfsd then it is for the single-threaded lockd. But this does allow a cluster filesystems to export cluster-coherent locking to NFS. Note that it's cluster filesystems that are the issue--of the filesystems that define lock methods (nfs, cifs, etc.), most are not exportable by nfsd. Signed-off-by: NMarc Eshel <eshel@almaden.ibm.com> Signed-off-by: NJ. Bruce Fields <bfields@citi.umich.edu>
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