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![Benjamin Coddington](https://secure.gravatar.com/avatar/965cbf403c22b464ee3f8e0d4ab5ddbc.jpg?s=96&d=mm)
Benjamin Coddington committed 7d6ddf88c4d
NFS: Add an iocounter wait function for async RPC tasks By sleeping on a new NFS Unlock-On-Close waitqueue, rpc tasks may wait for a lock context's iocounter to reach zero. The rpc waitqueue is only woken when the open_context has the NFS_CONTEXT_UNLOCK flag set in order to mitigate spurious wake-ups for any iocounter reaching zero. Signed-off-by: Benjamin Coddington <bcodding@redhat.com> Reviewed-by: Jeff Layton <jlayton@redhat.com> Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>