lustre/ldlm/ldlm_internal.h

   1 /* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
   2  * vim:expandtab:shiftwidth=8:tabstop=8:
   3  */
   4
   5 /* ldlm_request.c */
   6 typedef enum {
   7         LDLM_ASYNC,
   8         LDLM_SYNC,
   9 } ldlm_sync_t;
  10
  11 int ldlm_cancel_lru(struct ldlm_namespace *ns, ldlm_sync_t sync);
  12
  13 /* ldlm_resource.c */
  14 int ldlm_resource_putref_locked(struct ldlm_resource *res);
  15 void ldlm_resource_insert_lock_after(struct ldlm_lock *original,
  16                                      struct ldlm_lock *new);
  17
  18 /* ldlm_lock.c */
  19 void ldlm_grant_lock(struct ldlm_lock *lock, struct list_head *work_list);
  20 struct ldlm_lock *
  21 ldlm_lock_create(struct ldlm_namespace *ns,
  22                  const struct lustre_handle *parent_lock_handle,
  23                  const struct ldlm_res_id *,
  24                  ldlm_type_t type, ldlm_mode_t, ldlm_blocking_callback,
  25                  ldlm_completion_callback, ldlm_glimpse_callback, void *data,
  26                  __u32 lvb_len);
  27 ldlm_error_t ldlm_lock_enqueue(struct ldlm_namespace *, struct ldlm_lock **,
  28                                void *cookie, int *flags);
  29 void ldlm_lock_addref_internal(struct ldlm_lock *, __u32 mode);
  30 void ldlm_lock_decref_internal(struct ldlm_lock *, __u32 mode);
  31 void ldlm_add_ast_work_item(struct ldlm_lock *lock, struct ldlm_lock *new,
  32                                 struct list_head *work_list);
  33 int ldlm_reprocess_queue(struct ldlm_resource *res, struct list_head *queue,
  34                          struct list_head *work_list);
  35 int ldlm_run_bl_ast_work(struct list_head *rpc_list);
  36 int ldlm_run_cp_ast_work(struct list_head *rpc_list);
  37 int ldlm_lock_remove_from_lru_nolock(struct ldlm_lock *lock);
  38 void ldlm_lock_destroy_nolock(struct ldlm_lock *lock);
  39
  40 /* ldlm_lockd.c */
  41 int ldlm_bl_to_thread(struct ldlm_namespace *ns, struct ldlm_lock_desc *ld,
  42                       struct ldlm_lock *lock);
  43 void ldlm_handle_bl_callback(struct ldlm_namespace *ns,
  44                              struct ldlm_lock_desc *ld, struct ldlm_lock *lock);
  45
  46 /* ldlm_plain.c */
  47 int ldlm_process_plain_lock(struct ldlm_lock *lock, int *flags, int first_enq,
  48                             ldlm_error_t *err, struct list_head *work_list);
  49
  50 /* ldlm_extent.c */
  51 int ldlm_process_extent_lock(struct ldlm_lock *lock, int *flags, int first_enq,
  52                              ldlm_error_t *err, struct list_head *work_list);
  53
  54 /* ldlm_flock.c */
  55 int ldlm_process_flock_lock(struct ldlm_lock *req, int *flags, int first_enq,
  56                             ldlm_error_t *err, struct list_head *work_list);
  57
  58 /* ldlm_inodebits.c */
  59 int ldlm_process_inodebits_lock(struct ldlm_lock *lock, int *flags,
  60                                 int first_enq, ldlm_error_t *err,
  61                                 struct list_head *work_list);
  62
  63 /* l_lock.c */
  64 void l_check_ns_lock(struct ldlm_namespace *ns);
  65 void l_check_no_ns_lock(struct ldlm_namespace *ns);
  66
  67 extern cfs_proc_dir_entry_t *ldlm_svc_proc_dir;
  68
  69 struct ldlm_state {
  70         struct ptlrpc_service *ldlm_cb_service;
  71         struct ptlrpc_service *ldlm_cancel_service;
  72         struct ptlrpc_client *ldlm_client;
  73         struct ptlrpc_connection *ldlm_server_conn;
  74         struct ldlm_bl_pool *ldlm_bl_pool;
  75 };
  76
  77 int ldlm_init(void);
  78 void ldlm_exit(void);
  79