nfsd: make find_any_file available outside nfs4state.c

Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index f5fc5d7..eefd29e 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -342,7 +342,7 @@
 	return ret;
 }
 
-static struct file *
+struct file *
 find_any_file(struct nfs4_file *f)
 {
 	struct file *ret;
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index 8bc961e..38ebb12 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -579,6 +579,7 @@
 {
 	atomic_inc(&fi->fi_ref);
 }
+struct file *find_any_file(struct nfs4_file *f);
 
 /* grace period management */
 void nfsd4_end_grace(struct nfsd_net *nn);