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-rw-r--r--include/linux/nfsd/state.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/nfsd/state.h b/include/linux/nfsd/state.h
index 0e5b5aecde03..9cc40a137c34 100644
--- a/include/linux/nfsd/state.h
+++ b/include/linux/nfsd/state.h
@@ -219,7 +219,11 @@ struct nfs4_client {
struct nfs4_sessionid cl_sessionid;
/* for nfs41 callbacks */
+ /* We currently support a single back channel with a single slot */
+ unsigned long cl_cb_slot_busy;
struct svc_xprt *cl_cb_xprt; /* 4.1 callback transport */
+ struct rpc_wait_queue cl_cb_waitq; /* backchannel callers may */
+ /* wait here for slots */
};
/* struct nfs4_client_reset