nfsd4: remove HAS_SESSION

This flag doesn't really buy us anything.

Signed-off-by: J. Bruce Fields <bfields@redhat.com>
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index 12c1b1e..f02badd 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -439,7 +439,6 @@
 };
 
 /* flags for preprocess_seqid_op() */
-#define HAS_SESSION             0x00000001
 #define CONFIRM                 0x00000002
 #define OPEN_STATE              0x00000004
 #define LOCK_STATE              0x00000008
@@ -476,7 +475,7 @@
 extern int nfsd4_create_clid_dir(struct nfs4_client *clp);
 extern void nfsd4_remove_clid_dir(struct nfs4_client *clp);
 extern void release_session_client(struct nfsd4_session *);
-extern __be32 nfs4_validate_stateid(stateid_t *, int);
+extern __be32 nfs4_validate_stateid(stateid_t *, bool);
 
 static inline void
 nfs4_put_stateowner(struct nfs4_stateowner *so)