1 files changed, 33 insertions, 0 deletions

diff --git a/include/linux/nfsd/state.h b/include/linux/nfsd/state.h
index a6e4a00fa392..baea7f1fdb4a 100644
--- a/include/linux/nfsd/state.h
+++ b/include/linux/nfsd/state.h
@@ -99,6 +99,39 @@ struct nfs4_callback {
         struct rpc_clnt *       cb_client;
 };
 
+struct nfsd4_slot {
+        bool                            sl_inuse;
+        u32                             sl_seqid;
+};
+
+struct nfsd4_session {
+        struct kref             se_ref;
+        struct list_head        se_hash;        /* hash by sessionid */
+        struct list_head        se_perclnt;
+        u32                     se_flags;
+        struct nfs4_client      *se_client;     /* for expire_client */
+        struct nfs4_sessionid   se_sessionid;
+        u32                     se_fmaxreq_sz;
+        u32                     se_fmaxresp_sz;
+        u32                     se_fmaxresp_cached;
+        u32                     se_fmaxops;
+        u32                     se_fnumslots;
+        struct nfsd4_slot       *se_slots;      /* forward channel slots */
+};
+
+static inline void
+nfsd4_put_session(struct nfsd4_session *ses)
+{
+        extern void free_session(struct kref *kref);
+        kref_put(&ses->se_ref, free_session);
+}
+
+static inline void
+nfsd4_get_session(struct nfsd4_session *ses)
+{
+        kref_get(&ses->se_ref);
+}
+
 #define HEXDIR_LEN     33 /* hex version of 16 byte md5 of cl_name plus '\0' */
 
 /*