NFSd: make nfsd4_manager allocated per network namespace context.

Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/netns.h b/fs/nfsd/netns.h
index 3936563..e99767d 100644
--- a/fs/nfsd/netns.h
+++ b/fs/nfsd/netns.h
@@ -34,6 +34,8 @@
 
 	struct cache_detail *idtoname_cache;
 	struct cache_detail *nametoid_cache;
+
+	struct lock_manager nfsd4_manager;
 };
 
 extern int nfsd_net_id;