lustre/ldlm/ldlm_internal.h

   1 /* ldlm_request.c */
   2 typedef enum {
   3         LDLM_ASYNC,
   4         LDLM_SYNC,
   5 } ldlm_sync_t;
   6
   7 int ldlm_cancel_lru(struct ldlm_namespace *ns, ldlm_sync_t sync);
   8
   9 /* ldlm_resource.c */
  10 void ldlm_resource_insert_lock_after(struct ldlm_lock *original,
  11                                      struct ldlm_lock *new);
  12
  13 /* ldlm_lock.c */
  14 void ldlm_grant_lock(struct ldlm_lock *lock, void *data, int datalen,
  15                      int run_ast);
  16 struct ldlm_lock *
  17 ldlm_lock_create(struct ldlm_namespace *ns,
  18                  struct lustre_handle *parent_lock_handle, struct ldlm_res_id,
  19                  __u32 type, ldlm_mode_t, ldlm_blocking_callback,
  20                  ldlm_completion_callback, ldlm_glimpse_callback, void *data,
  21                  __u32 lvb_len);
  22 ldlm_error_t ldlm_lock_enqueue(struct ldlm_namespace *, struct ldlm_lock **,
  23                                void *cookie, int *flags);
  24 void ldlm_lock_addref_internal(struct ldlm_lock *, __u32 mode);
  25 void ldlm_lock_decref_internal(struct ldlm_lock *, __u32 mode);
  26 void ldlm_add_ast_work_item(struct ldlm_lock *lock, struct ldlm_lock *new,
  27                             void *data, int datalen);
  28 int ldlm_reprocess_queue(struct ldlm_resource *res, struct list_head *queue);
  29 int ldlm_run_ast_work(struct ldlm_namespace *, struct list_head *rpc_list);
  30
  31 /* ldlm_lockd.c */
  32 int ldlm_bl_to_thread(struct ldlm_namespace *ns, struct ldlm_lock_desc *ld,
  33                       struct ldlm_lock *lock);
  34 void ldlm_handle_bl_callback(struct ldlm_namespace *ns,
  35                              struct ldlm_lock_desc *ld,
  36                              struct ldlm_lock *lock);
  37
  38 /* ldlm_plain.c */
  39 int ldlm_process_plain_lock(struct ldlm_lock *lock, int *flags, int first_enq,
  40                             ldlm_error_t *err);
  41
  42 /* ldlm_extent.c */
  43 int ldlm_process_extent_lock(struct ldlm_lock *lock, int *flags, int first_enq,
  44                              ldlm_error_t *err);
  45
  46 /* ldlm_flock.c */
  47 int ldlm_process_flock_lock(struct ldlm_lock *lock, int *flags, int first_enq,
  48                             ldlm_error_t *err);
  49
  50 /* l_lock.c */
  51 void l_check_no_ns_lock(struct ldlm_namespace *ns);
  52
  53 extern struct proc_dir_entry *ldlm_svc_proc_dir;
  54
  55 struct ldlm_state {
  56         struct ptlrpc_service *ldlm_cb_service;
  57         struct ptlrpc_service *ldlm_cancel_service;
  58         struct ptlrpc_client *ldlm_client;
  59         struct ptlrpc_connection *ldlm_server_conn;
  60         struct ldlm_bl_pool *ldlm_bl_pool;
  61 };
  62
  63 int ldlm_init(void);
  64 void ldlm_exit(void);
  65