NFSv4: Make NFS clean up byte range locks asynchronously

 Currently we fail to do so if the process was signalled.

 Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index bb35743..23834c8 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -600,7 +600,7 @@
  * Release reference to lock_state, and free it if we see that
  * it is no longer in use
  */
-static void nfs4_put_lock_state(struct nfs4_lock_state *lsp)
+void nfs4_put_lock_state(struct nfs4_lock_state *lsp)
 {
 	struct nfs4_state *state;