X-Git-Url: http://ftp.safe.ca/?p=safe%2Fjmp%2Flinux-2.6;a=blobdiff_plain;f=include%2Flinux%2Fnfsd%2Fstate.h;h=c0c49215ddc52150738a52ce797e740d46326df3;hp=baea7f1fdb4a8db6b0ab3f6b319c3282a85b00d9;hb=3aea09dc9106407d8bc18e593fbffda9ad632844;hpb=7116ed6b9973021ff43edeb10f4cb834db94000f

diff --git a/include/linux/nfsd/state.h b/include/linux/nfsd/state.h
index baea7f1..c0c4921 100644
--- a/include/linux/nfsd/state.h
+++ b/include/linux/nfsd/state.h
@@ -61,15 +61,6 @@ typedef struct {
 #define si_stateownerid   si_opaque.so_stateownerid
 #define si_fileid         si_opaque.so_fileid
 
-
-struct nfs4_cb_recall {
-	u32			cbr_ident;
-	int			cbr_trunc;
-	stateid_t		cbr_stateid;
-	struct knfsd_fh		cbr_fh;
-	struct nfs4_delegation	*cbr_dp;
-};
-
 struct nfs4_delegation {
 	struct list_head	dl_perfile;
 	struct list_head	dl_perclnt;
@@ -81,14 +72,15 @@ struct nfs4_delegation {
 	struct file		*dl_vfs_file;
 	u32			dl_type;
 	time_t			dl_time;
-	struct nfs4_cb_recall	dl_recall;
+/* For recall: */
+	u32			dl_ident;
+	stateid_t		dl_stateid;
+	struct knfsd_fh		dl_fh;
+	int			dl_retries;
 };
 
-#define dl_stateid      dl_recall.cbr_stateid
-#define dl_fh           dl_recall.cbr_fh
-
 /* client delegation callback info */
-struct nfs4_callback {
+struct nfs4_cb_conn {
 	/* SETCLIENTID info */
 	u32                     cb_addr;
 	unsigned short          cb_port;
@@ -97,11 +89,30 @@ struct nfs4_callback {
 	/* RPC client info */
 	atomic_t		cb_set;     /* successful CB_NULL call */
 	struct rpc_clnt *       cb_client;
+	struct rpc_cred	*	cb_cred;
+};
+
+/* Maximum number of slots per session. 128 is useful for long haul TCP */
+#define NFSD_MAX_SLOTS_PER_SESSION	128
+/* Maximum number of pages per slot cache entry */
+#define NFSD_PAGES_PER_SLOT	1
+/* Maximum number of operations per session compound */
+#define NFSD_MAX_OPS_PER_COMPOUND	16
+
+struct nfsd4_cache_entry {
+	__be32		ce_status;
+	struct kvec	ce_datav; /* encoded NFSv4.1 data in rq_res.head[0] */
+	struct page	*ce_respages[NFSD_PAGES_PER_SLOT + 1];
+	int		ce_cachethis;
+	short		ce_resused;
+	int		ce_opcnt;
+	int		ce_rpchdrlen;
 };
 
 struct nfsd4_slot {
 	bool				sl_inuse;
 	u32				sl_seqid;
+	struct nfsd4_cache_entry	sl_cache_entry;
 };
 
 struct nfsd4_session {
@@ -116,7 +127,7 @@ struct nfsd4_session {
 	u32			se_fmaxresp_cached;
 	u32			se_fmaxops;
 	u32			se_fnumslots;
-	struct nfsd4_slot	*se_slots;	/* forward channel slots */
+	struct nfsd4_slot	se_slots[];	/* forward channel slots */
 };
 
 static inline void
@@ -132,6 +143,13 @@ nfsd4_get_session(struct nfsd4_session *ses)
 	kref_get(&ses->se_ref);
 }
 
+/* formatted contents of nfs4_sessionid */
+struct nfsd4_sessionid {
+	clientid_t	clientid;
+	u32		sequence;
+	u32		reserved;
+};
+
 #define HEXDIR_LEN     33 /* hex version of 16 byte md5 of cl_name plus '\0' */
 
 /*
@@ -160,9 +178,15 @@ struct nfs4_client {
 	struct svc_cred		cl_cred; 	/* setclientid principal */
 	clientid_t		cl_clientid;	/* generated by server */
 	nfs4_verifier		cl_confirm;	/* generated by server */
-	struct nfs4_callback	cl_callback;    /* callback info */
+	struct nfs4_cb_conn	cl_cb_conn;     /* callback info */
 	atomic_t		cl_count;	/* ref count */
 	u32			cl_firststate;	/* recovery dir creation */
+
+	/* for nfs41 */
+	struct list_head	cl_sessions;
+	struct nfsd4_slot	cl_slot;	/* create_session slot */
+	u32			cl_exchange_flags;
+	struct nfs4_sessionid	cl_sessionid;
 };
 
 /* struct nfs4_client_reset
@@ -289,6 +313,7 @@ struct nfs4_stateid {
 };
 
 /* flags for preprocess_seqid_op() */
+#define HAS_SESSION             0x00000001
 #define CONFIRM                 0x00000002
 #define OPEN_STATE              0x00000004
 #define LOCK_STATE              0x00000008
@@ -302,7 +327,9 @@ struct nfs4_stateid {
 	((err) != nfserr_stale_stateid) &&      \
 	((err) != nfserr_bad_stateid))
 
-extern __be32 nfs4_preprocess_stateid_op(struct svc_fh *current_fh,
+struct nfsd4_compound_state;
+
+extern __be32 nfs4_preprocess_stateid_op(struct nfsd4_compound_state *cstate,
 		stateid_t *stateid, int flags, struct file **filp);
 extern void nfs4_lock_state(void);
 extern void nfs4_unlock_state(void);
@@ -318,7 +345,7 @@ extern void nfsd4_init_recdir(char *recdir_name);
 extern int nfsd4_recdir_load(void);
 extern void nfsd4_shutdown_recdir(void);
 extern int nfs4_client_to_reclaim(const char *name);
-extern int nfs4_has_reclaimed_state(const char *name);
+extern int nfs4_has_reclaimed_state(const char *name, bool use_exchange_id);
 extern void nfsd4_recdir_purge_old(void);
 extern int nfsd4_create_clid_dir(struct nfs4_client *clp);
 extern void nfsd4_remove_clid_dir(struct nfs4_client *clp);