nfsd: introduce a generic nfsd4_cb

[firefly-linux-kernel-4.4.55.git] / fs / nfsd / state.h

diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index 4a89e00d7461c8658293504e14c3c5646b5ff240..5fb6ab17f386d25ccef98280a4c6f42c8c5b6263 100644 (file)
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -62,7 +62,6 @@ typedef struct {
        (s)->si_generation
 
 struct nfsd4_callback {
-       void *cb_op;
        struct nfs4_client *cb_clp;
        struct list_head cb_per_client;
        u32 cb_minorversion;
@@ -306,6 +305,7 @@ struct nfs4_client {
 #define NFSD4_CLIENT_STABLE            (2)     /* client on stable storage */
 #define NFSD4_CLIENT_RECLAIM_COMPLETE  (3)     /* reclaim_complete done */
 #define NFSD4_CLIENT_CONFIRMED         (4)     /* client is confirmed */
+#define NFSD4_CLIENT_UPCALL_LOCK       (5)     /* upcall serialization */
 #define NFSD4_CLIENT_CB_FLAG_MASK      (1 << NFSD4_CLIENT_CB_UPDATE | \
                                         1 << NFSD4_CLIENT_CB_KILL)
        unsigned long           cl_flags;
@@ -517,6 +517,13 @@ static inline struct nfs4_ol_stateid *openlockstateid(struct nfs4_stid *s)
 #define RD_STATE               0x00000010
 #define WR_STATE               0x00000020
 
+enum nfsd4_cb_op {
+       NFSPROC4_CLNT_CB_NULL = 0,
+       NFSPROC4_CLNT_CB_RECALL,
+       NFSPROC4_CLNT_CB_SEQUENCE,
+};
+
+
 struct nfsd4_compound_state;
 struct nfsd_net;
 
@@ -536,7 +543,8 @@ void nfsd4_run_cb_recall(struct work_struct *w);
 extern void nfsd4_probe_callback(struct nfs4_client *clp);
 extern void nfsd4_probe_callback_sync(struct nfs4_client *clp);
 extern void nfsd4_change_callback(struct nfs4_client *clp, struct nfs4_cb_conn *);
-extern void nfsd4_cb_recall(struct nfs4_delegation *dp);
+extern void nfsd4_cb(struct nfsd4_callback *cb, struct nfs4_client *clp,
+               enum nfsd4_cb_op op);
 extern int nfsd4_create_callback_queue(void);
 extern void nfsd4_destroy_callback_queue(void);
 extern void nfsd4_shutdown_callback(struct nfs4_client *);
@@ -545,13 +553,16 @@ extern struct nfs4_client_reclaim *nfs4_client_to_reclaim(const char *name,
                                                        struct nfsd_net *nn);
 extern bool nfs4_has_reclaimed_state(const char *name, struct nfsd_net *nn);
 
+/* grace period management */
+void nfsd4_end_grace(struct nfsd_net *nn);
+
 /* nfs4recover operations */
 extern int nfsd4_client_tracking_init(struct net *net);
 extern void nfsd4_client_tracking_exit(struct net *net);
 extern void nfsd4_client_record_create(struct nfs4_client *clp);
 extern void nfsd4_client_record_remove(struct nfs4_client *clp);
 extern int nfsd4_client_record_check(struct nfs4_client *clp);
-extern void nfsd4_record_grace_done(struct nfsd_net *nn, time_t boot_time);
+extern void nfsd4_record_grace_done(struct nfsd_net *nn);
 
 /* nfs fault injection functions */
 #ifdef CONFIG_NFSD_FAULT_INJECTION