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c9918ff56d
FRWR's ro_unmap is asynchronous. The new ro_unmap_sync posts LOCAL_INV Work Requests and waits for them to complete before returning. Note also, DMA unmapping is now done _after_ invalidation. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Tested-by: Devesh Sharma <devesh.sharma@avagotech.com> Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>