diff options
Diffstat (limited to 'fs/nfs/nfs4_fs.h')
| -rw-r--r-- | fs/nfs/nfs4_fs.h | 57 |
1 files changed, 47 insertions, 10 deletions
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index c538c6106e16..311e15cc8af0 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -45,10 +45,29 @@ enum nfs4_client_state { NFS4CLNT_RECLAIM_NOGRACE, NFS4CLNT_DELEGRETURN, NFS4CLNT_SESSION_RESET, - NFS4CLNT_SESSION_DRAINING, NFS4CLNT_RECALL_SLOT, }; +enum nfs4_session_state { + NFS4_SESSION_INITING, + NFS4_SESSION_DRAINING, +}; + +struct nfs4_minor_version_ops { + u32 minor_version; + + int (*call_sync)(struct nfs_server *server, + struct rpc_message *msg, + struct nfs4_sequence_args *args, + struct nfs4_sequence_res *res, + int cache_reply); + int (*validate_stateid)(struct nfs_delegation *, + const nfs4_stateid *); + const struct nfs4_state_recovery_ops *reboot_recovery_ops; + const struct nfs4_state_recovery_ops *nograce_recovery_ops; + const struct nfs4_state_maintenance_ops *state_renewal_ops; +}; + /* * struct rpc_sequence ensures that RPC calls are sent in the exact * order that they appear on the list. @@ -89,7 +108,6 @@ struct nfs_unique_id { */ struct nfs4_state_owner { struct nfs_unique_id so_owner_id; - struct nfs_client *so_client; struct nfs_server *so_server; struct rb_node so_client_node; @@ -99,7 +117,6 @@ struct nfs4_state_owner { atomic_t so_count; unsigned long so_flags; struct list_head so_states; - struct list_head so_delegations; struct nfs_seqid_counter so_seqid; struct rpc_sequence so_sequence; }; @@ -125,10 +142,20 @@ enum { * LOCK: one nfs4_state (LOCK) to hold the lock stateid nfs4_state(OPEN) */ +struct nfs4_lock_owner { + unsigned int lo_type; +#define NFS4_ANY_LOCK_TYPE (0U) +#define NFS4_FLOCK_LOCK_TYPE (1U << 0) +#define NFS4_POSIX_LOCK_TYPE (1U << 1) + union { + fl_owner_t posix_owner; + pid_t flock_owner; + } lo_u; +}; + struct nfs4_lock_state { struct list_head ls_locks; /* Other lock stateids */ struct nfs4_state * ls_state; /* Pointer to open state */ - fl_owner_t ls_owner; /* POSIX lock owner */ #define NFS_LOCK_INITIALIZED 1 int ls_flags; struct nfs_seqid_counter ls_seqid; @@ -136,6 +163,7 @@ struct nfs4_lock_state { struct nfs_unique_id ls_id; nfs4_stateid ls_stateid; atomic_t ls_count; + struct nfs4_lock_owner ls_owner; }; /* bits for nfs4_state->flags */ @@ -219,11 +247,15 @@ extern int nfs4_open_revalidate(struct inode *, struct dentry *, int, struct nam extern int nfs4_server_capabilities(struct nfs_server *server, struct nfs_fh *fhandle); extern int nfs4_proc_fs_locations(struct inode *dir, const struct qstr *name, struct nfs4_fs_locations *fs_locations, struct page *page); +extern void nfs4_release_lockowner(const struct nfs4_lock_state *); -extern struct nfs4_state_recovery_ops *nfs4_reboot_recovery_ops[]; -extern struct nfs4_state_recovery_ops *nfs4_nograce_recovery_ops[]; #if defined(CONFIG_NFS_V4_1) -extern int nfs4_setup_sequence(struct nfs_client *clp, +static inline struct nfs4_session *nfs4_get_session(const struct nfs_server *server) +{ + return server->nfs_client->cl_session; +} + +extern int nfs4_setup_sequence(const struct nfs_server *server, struct nfs4_sequence_args *args, struct nfs4_sequence_res *res, int cache_reply, struct rpc_task *task); extern void nfs4_destroy_session(struct nfs4_session *session); @@ -234,7 +266,12 @@ extern int nfs4_init_session(struct nfs_server *server); extern int nfs4_proc_get_lease_time(struct nfs_client *clp, struct nfs_fsinfo *fsinfo); #else /* CONFIG_NFS_v4_1 */ -static inline int nfs4_setup_sequence(struct nfs_client *clp, +static inline struct nfs4_session *nfs4_get_session(const struct nfs_server *server) +{ + return NULL; +} + +static inline int nfs4_setup_sequence(const struct nfs_server *server, struct nfs4_sequence_args *args, struct nfs4_sequence_res *res, int cache_reply, struct rpc_task *task) { @@ -247,7 +284,7 @@ static inline int nfs4_init_session(struct nfs_server *server) } #endif /* CONFIG_NFS_V4_1 */ -extern struct nfs4_state_maintenance_ops *nfs4_state_renewal_ops[]; +extern const struct nfs4_minor_version_ops *nfs_v4_minor_ops[]; extern const u32 nfs4_fattr_bitmap[2]; extern const u32 nfs4_statfs_bitmap[2]; @@ -284,7 +321,7 @@ extern void nfs41_handle_sequence_flag_errors(struct nfs_client *clp, u32 flags) extern void nfs41_handle_recall_slot(struct nfs_client *clp); extern void nfs4_put_lock_state(struct nfs4_lock_state *lsp); extern int nfs4_set_lock_state(struct nfs4_state *state, struct file_lock *fl); -extern void nfs4_copy_stateid(nfs4_stateid *, struct nfs4_state *, fl_owner_t); +extern void nfs4_copy_stateid(nfs4_stateid *, struct nfs4_state *, fl_owner_t, pid_t); extern struct nfs_seqid *nfs_alloc_seqid(struct nfs_seqid_counter *counter, gfp_t gfp_mask); extern int nfs_wait_on_sequence(struct nfs_seqid *seqid, struct rpc_task *task); |