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Diffstat (limited to 'fs/nfsd/state.h')
-rw-r--r--fs/nfsd/state.h104
1 files changed, 65 insertions, 39 deletions
diff --git a/fs/nfsd/state.h b/fs/nfsd/state.h
index 849091e16ea6..424d8f5f2317 100644
--- a/fs/nfsd/state.h
+++ b/fs/nfsd/state.h
@@ -79,6 +79,8 @@ struct nfs4_stid {
#define NFS4_DELEG_STID 4
/* For an open stateid kept around *only* to process close replays: */
#define NFS4_CLOSED_STID 8
+/* For a deleg stateid kept around only to process free_stateid's: */
+#define NFS4_REVOKED_DELEG_STID 16
unsigned char sc_type;
stateid_t sc_stateid;
struct nfs4_client *sc_client;
@@ -150,6 +152,12 @@ struct nfsd4_channel_attrs {
u32 rdma_attrs;
};
+struct nfsd4_cb_sec {
+ u32 flavor; /* (u32)(-1) used to mean "no valid flavor" */
+ kuid_t uid;
+ kgid_t gid;
+};
+
struct nfsd4_create_session {
clientid_t clientid;
struct nfs4_sessionid sessionid;
@@ -158,8 +166,12 @@ struct nfsd4_create_session {
struct nfsd4_channel_attrs fore_channel;
struct nfsd4_channel_attrs back_channel;
u32 callback_prog;
- u32 uid;
- u32 gid;
+ struct nfsd4_cb_sec cb_sec;
+};
+
+struct nfsd4_backchannel_ctl {
+ u32 bc_cb_program;
+ struct nfsd4_cb_sec bc_cb_sec;
};
struct nfsd4_bind_conn_to_session {
@@ -184,14 +196,17 @@ struct nfsd4_conn {
};
struct nfsd4_session {
- struct kref se_ref;
+ atomic_t se_ref;
struct list_head se_hash; /* hash by sessionid */
struct list_head se_perclnt;
+/* See SESSION4_PERSIST, etc. for standard flags; this is internal-only: */
+#define NFS4_SESSION_DEAD 0x010
u32 se_flags;
struct nfs4_client *se_client;
struct nfs4_sessionid se_sessionid;
struct nfsd4_channel_attrs se_fchannel;
struct nfsd4_channel_attrs se_bchannel;
+ struct nfsd4_cb_sec se_cb_sec;
struct list_head se_conns;
u32 se_cb_prog;
u32 se_cb_seq_nr;
@@ -221,17 +236,17 @@ struct nfsd4_sessionid {
*/
struct nfs4_client {
struct list_head cl_idhash; /* hash by cl_clientid.id */
- struct list_head cl_strhash; /* hash by cl_name */
+ struct rb_node cl_namenode; /* link into by-name trees */
struct list_head cl_openowners;
struct idr cl_stateids; /* stateid lookup */
struct list_head cl_delegations;
+ struct list_head cl_revoked; /* unacknowledged, revoked 4.1 state */
struct list_head cl_lru; /* tail queue */
struct xdr_netobj cl_name; /* id generated by client */
- char cl_recdir[HEXDIR_LEN]; /* recovery dir */
nfs4_verifier cl_verifier; /* generated by client */
time_t cl_time; /* time of last lease renewal */
struct sockaddr_storage cl_addr; /* client ipaddress */
- u32 cl_flavor; /* setclientid pseudoflavor */
+ bool cl_mach_cred; /* SP4_MACH_CRED in force */
struct svc_cred cl_cred; /* setclientid principal */
clientid_t cl_clientid; /* generated by server */
nfs4_verifier cl_confirm; /* generated by server */
@@ -243,9 +258,11 @@ struct nfs4_client {
#define NFSD4_CLIENT_CB_KILL (1)
#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_CB_FLAG_MASK (1 << NFSD4_CLIENT_CB_UPDATE | \
1 << NFSD4_CLIENT_CB_KILL)
unsigned long cl_flags;
+ struct rpc_cred *cl_cb_cred;
struct rpc_clnt *cl_cb_client;
u32 cl_cb_ident;
#define NFSD4_CB_UP 0
@@ -272,20 +289,9 @@ struct nfs4_client {
unsigned long cl_cb_slot_busy;
struct rpc_wait_queue cl_cb_waitq; /* backchannel callers may */
/* wait here for slots */
+ struct net *net;
};
-static inline void
-mark_client_expired(struct nfs4_client *clp)
-{
- clp->cl_time = 0;
-}
-
-static inline bool
-is_client_expired(struct nfs4_client *clp)
-{
- return clp->cl_time == 0;
-}
-
/* struct nfs4_client_reset
* one per old client. Populates reset_str_hashtbl. Filled from conf_id_hashtbl
* upon lease reset, or from upcall to state_daemon (to read in state
@@ -293,6 +299,7 @@ is_client_expired(struct nfs4_client *clp)
*/
struct nfs4_client_reclaim {
struct list_head cr_strhash; /* hash by cr_name */
+ struct nfs4_client *cr_clp; /* pointer to associated clp */
char cr_recdir[HEXDIR_LEN]; /* recover dir */
};
@@ -352,7 +359,6 @@ struct nfs4_openowner {
struct nfs4_ol_stateid *oo_last_closed_stid;
time_t oo_time; /* time of placement on so_close_lru */
#define NFS4_OO_CONFIRMED 1
-#define NFS4_OO_PURGE_CLOSE 2
#define NFS4_OO_NEW 4
unsigned char oo_flags;
};
@@ -360,7 +366,7 @@ struct nfs4_openowner {
struct nfs4_lockowner {
struct nfs4_stateowner lo_owner; /* must be first element */
struct list_head lo_owner_ino_hash; /* hash by owner,file */
- struct list_head lo_perstateid; /* for lockowners only */
+ struct list_head lo_perstateid;
struct list_head lo_list; /* for temporary uses */
};
@@ -374,14 +380,10 @@ static inline struct nfs4_lockowner * lockowner(struct nfs4_stateowner *so)
return container_of(so, struct nfs4_lockowner, lo_owner);
}
-/*
-* nfs4_file: a file opened by some number of (open) nfs4_stateowners.
-* o fi_perfile list is used to search for conflicting
-* share_acces, share_deny on the file.
-*/
+/* nfs4_file: a file opened by some number of (open) nfs4_stateowners. */
struct nfs4_file {
atomic_t fi_ref;
- struct list_head fi_hash; /* hash by "struct inode *" */
+ struct hlist_node fi_hash; /* hash by "struct inode *" */
struct list_head fi_stateids;
struct list_head fi_delegations;
/* One each for O_RDONLY, O_WRONLY, O_RDWR: */
@@ -450,33 +452,34 @@ static inline struct nfs4_ol_stateid *openlockstateid(struct nfs4_stid *s)
#define WR_STATE 0x00000020
struct nfsd4_compound_state;
+struct nfsd_net;
-extern __be32 nfs4_preprocess_stateid_op(struct nfsd4_compound_state *cstate,
+extern __be32 nfs4_preprocess_stateid_op(struct net *net,
+ 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);
-extern int nfs4_in_grace(void);
-extern void nfs4_release_reclaim(void);
-extern struct nfs4_client_reclaim *nfsd4_find_reclaim_client(struct nfs4_client *crp);
-extern __be32 nfs4_check_open_reclaim(clientid_t *clid);
+void nfs4_remove_reclaim_record(struct nfs4_client_reclaim *, struct nfsd_net *);
+extern void nfs4_release_reclaim(struct nfsd_net *);
+extern struct nfs4_client_reclaim *nfsd4_find_reclaim_client(const char *recdir,
+ struct nfsd_net *nn);
+extern __be32 nfs4_check_open_reclaim(clientid_t *clid, bool sessions, struct nfsd_net *nn);
extern void nfs4_free_openowner(struct nfs4_openowner *);
extern void nfs4_free_lockowner(struct nfs4_lockowner *);
extern int set_callback_cred(void);
+extern void nfsd4_init_callback(struct nfsd4_callback *);
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_do_callback_rpc(struct work_struct *);
extern void nfsd4_cb_recall(struct nfs4_delegation *dp);
extern int nfsd4_create_callback_queue(void);
extern void nfsd4_destroy_callback_queue(void);
extern void nfsd4_shutdown_callback(struct nfs4_client *);
extern void nfs4_put_delegation(struct nfs4_delegation *dp);
-extern __be32 nfs4_make_rec_clidname(char *clidname, struct xdr_netobj *clname);
-extern int nfs4_client_to_reclaim(const char *name);
-extern int nfs4_has_reclaimed_state(const char *name, bool use_exchange_id);
-extern void release_session_client(struct nfsd4_session *);
-extern __be32 nfs4_validate_stateid(struct nfs4_client *, stateid_t *);
-extern void nfsd4_purge_closed_stateid(struct nfs4_stateowner *);
+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);
+extern void put_client_renew(struct nfs4_client *clp);
/* nfs4recover operations */
extern int nfsd4_client_tracking_init(struct net *net);
@@ -484,5 +487,28 @@ 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 net *net, time_t boot_time);
+extern void nfsd4_record_grace_done(struct nfsd_net *nn, time_t boot_time);
+
+/* nfs fault injection functions */
+#ifdef CONFIG_NFSD_FAULT_INJECTION
+int nfsd_fault_inject_init(void);
+void nfsd_fault_inject_cleanup(void);
+u64 nfsd_for_n_state(u64, u64 (*)(struct nfs4_client *, u64));
+struct nfs4_client *nfsd_find_client(struct sockaddr_storage *, size_t);
+
+u64 nfsd_forget_client(struct nfs4_client *, u64);
+u64 nfsd_forget_client_locks(struct nfs4_client*, u64);
+u64 nfsd_forget_client_openowners(struct nfs4_client *, u64);
+u64 nfsd_forget_client_delegations(struct nfs4_client *, u64);
+u64 nfsd_recall_client_delegations(struct nfs4_client *, u64);
+
+u64 nfsd_print_client(struct nfs4_client *, u64);
+u64 nfsd_print_client_locks(struct nfs4_client *, u64);
+u64 nfsd_print_client_openowners(struct nfs4_client *, u64);
+u64 nfsd_print_client_delegations(struct nfs4_client *, u64);
+#else /* CONFIG_NFSD_FAULT_INJECTION */
+static inline int nfsd_fault_inject_init(void) { return 0; }
+static inline void nfsd_fault_inject_cleanup(void) {}
+#endif /* CONFIG_NFSD_FAULT_INJECTION */
+
#endif /* NFSD4_STATE_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-17 11:52:27 +0000