LU-11518 ldlm: control lru_size for extent lock

[fs/lustre-release.git] / lustre / ldlm / ldlm_internal.h

diff --git a/lustre/ldlm/ldlm_internal.h b/lustre/ldlm/ldlm_internal.h
index 3fac6fd..44b944c 100644 (file)
--- a/lustre/ldlm/ldlm_internal.h
+++ b/lustre/ldlm/ldlm_internal.h
@@ -96,34 +96,33 @@ struct ldlm_namespace *ldlm_namespace_first_locked(enum ldlm_side);
 /* ldlm_request.c */
 /* Cancel lru flag, it indicates we cancel aged locks. */
 enum ldlm_lru_flags {
-       LDLM_LRU_FLAG_AGED      = 0x01, /* Cancel aged locks (non LRU resize) */
-       LDLM_LRU_FLAG_PASSED    = 0x02, /* Cancel passed number of locks */
-       LDLM_LRU_FLAG_SHRINK    = 0x04, /* Cancel locks from shrinker */
-       LDLM_LRU_FLAG_LRUR      = 0x08, /* Cancel locks from lru resize */
-       LDLM_LRU_FLAG_NO_WAIT   = 0x10, /* Cancel locks w/o blocking (neither
-                                        * sending nor waiting for any RPCs) */
-       LDLM_LRU_FLAG_CLEANUP   = 0x20, /* Used when clearing lru, tells
-                                        * prepare_lru_list to set discard flag
-                                        * on PR extent locks so we don't waste
-                                        * time saving pages that will be
-                                        * discarded momentarily */
+       LDLM_LRU_FLAG_NO_WAIT   = 0x1, /* Cancel locks w/o blocking (neither
+                                       * sending nor waiting for any RPCs) */
+       LDLM_LRU_FLAG_CLEANUP   = 0x2, /* Used when clearing lru, tells
+                                       * prepare_lru_list to set discard flag
+                                       * on PR extent locks so we don't waste
+                                       * time saving pages that will be
+                                       * discarded momentarily */
 };
 
-int ldlm_cancel_lru(struct ldlm_namespace *ns, int nr,
+int ldlm_cancel_lru(struct ldlm_namespace *ns, int min,
                    enum ldlm_cancel_flags cancel_flags,
                    enum ldlm_lru_flags lru_flags);
 int ldlm_cancel_lru_local(struct ldlm_namespace *ns,
-                         struct list_head *cancels, int count, int max,
+                         struct list_head *cancels, int min, int max,
                          enum ldlm_cancel_flags cancel_flags,
                          enum ldlm_lru_flags lru_flags);
 extern unsigned int ldlm_enqueue_min;
 /* ldlm_resource.c */
 extern struct kmem_cache *ldlm_resource_slab;
 extern struct kmem_cache *ldlm_lock_slab;
+extern struct kmem_cache *ldlm_inodebits_slab;
 extern struct kmem_cache *ldlm_interval_tree_slab;
 
 void ldlm_resource_insert_lock_after(struct ldlm_lock *original,
                                      struct ldlm_lock *new);
+void ldlm_resource_insert_lock_before(struct ldlm_lock *original,
+                                     struct ldlm_lock *new);
 
 /* ldlm_lock.c */
 
@@ -156,7 +155,8 @@ void ldlm_add_ast_work_item(struct ldlm_lock *lock, struct ldlm_lock *new,
 #ifdef HAVE_SERVER_SUPPORT
 int ldlm_reprocess_queue(struct ldlm_resource *res, struct list_head *queue,
                         struct list_head *work_list,
-                        enum ldlm_process_intention intention);
+                        enum ldlm_process_intention intention,
+                        struct ldlm_lock *hint);
 int ldlm_handle_conflict_lock(struct ldlm_lock *lock, __u64 *flags,
                              struct list_head *rpc_list);
 void ldlm_discard_bl_list(struct list_head *bl_list);
@@ -171,7 +171,6 @@ int ldlm_lock_remove_from_lru_check(struct ldlm_lock *lock, ktime_t last_use);
                ldlm_lock_remove_from_lru_check(lock, ktime_set(0, 0))
 int ldlm_lock_remove_from_lru_nolock(struct ldlm_lock *lock);
 void ldlm_lock_add_to_lru_nolock(struct ldlm_lock *lock);
-void ldlm_lock_add_to_lru(struct ldlm_lock *lock);
 void ldlm_lock_touch_in_lru(struct ldlm_lock *lock);
 void ldlm_lock_destroy_nolock(struct ldlm_lock *lock);
 
@@ -190,6 +189,7 @@ int ldlm_bl_thread_wakeup(void);
 
 void ldlm_handle_bl_callback(struct ldlm_namespace *ns,
                              struct ldlm_lock_desc *ld, struct ldlm_lock *lock);
+void ldlm_bl_desc2lock(const struct ldlm_lock_desc *ld, struct ldlm_lock *lock);
 
 #ifdef HAVE_SERVER_SUPPORT
 /* ldlm_plain.c */
@@ -202,14 +202,25 @@ int ldlm_process_inodebits_lock(struct ldlm_lock *lock, __u64 *flags,
                                enum ldlm_process_intention intention,
                                enum ldlm_error *err,
                                struct list_head *work_list);
+int ldlm_reprocess_inodebits_queue(struct ldlm_resource *res,
+                                  struct list_head *queue,
+                                  struct list_head *work_list,
+                                  enum ldlm_process_intention intention,
+                                  struct ldlm_lock *hint);
 /* ldlm_extent.c */
 int ldlm_process_extent_lock(struct ldlm_lock *lock, __u64 *flags,
                             enum ldlm_process_intention intention,
                             enum ldlm_error *err, struct list_head *work_list);
 #endif
+int ldlm_extent_alloc_lock(struct ldlm_lock *lock);
 void ldlm_extent_add_lock(struct ldlm_resource *res, struct ldlm_lock *lock);
 void ldlm_extent_unlink_lock(struct ldlm_lock *lock);
 
+int ldlm_inodebits_alloc_lock(struct ldlm_lock *lock);
+void ldlm_inodebits_add_lock(struct ldlm_resource *res, struct list_head *head,
+                            struct ldlm_lock *lock);
+void ldlm_inodebits_unlink_lock(struct ldlm_lock *lock);
+
 /* ldlm_flock.c */
 int ldlm_process_flock_lock(struct ldlm_lock *req, __u64 *flags,
                            enum ldlm_process_intention intention,
@@ -227,7 +238,6 @@ struct ldlm_state {
         struct ptlrpc_service *ldlm_cb_service;
         struct ptlrpc_service *ldlm_cancel_service;
         struct ptlrpc_client *ldlm_client;
-        struct ptlrpc_connection *ldlm_server_conn;
         struct ldlm_bl_pool *ldlm_bl_pool;
 };
 
@@ -235,7 +245,6 @@ struct ldlm_state {
 extern struct kmem_cache *ldlm_interval_slab; /* slab cache for ldlm_interval */
 extern void ldlm_interval_attach(struct ldlm_interval *n, struct ldlm_lock *l);
 extern struct ldlm_interval *ldlm_interval_detach(struct ldlm_lock *l);
-extern struct ldlm_interval *ldlm_interval_alloc(struct ldlm_lock *lock);
 extern void ldlm_interval_free(struct ldlm_interval *node);
 /* this function must be called with res lock held */
 static inline struct ldlm_extent *
@@ -341,7 +350,7 @@ enum ldlm_policy_res {
        struct __##var##__dummy_write {; } /* semicolon catcher */
 
 static inline void
-ldlm_add_var(struct lprocfs_vars *vars, struct dentry *debugfs_entry,
+ldlm_add_var(struct ldebugfs_vars *vars, struct dentry *debugfs_entry,
             const char *name, void *data, const struct file_operations *ops)
 {
        vars->name = name;
@@ -374,6 +383,17 @@ static inline bool is_bl_done(struct ldlm_lock *lock)
        return bl_done;
 }
 
+static inline bool is_lock_converted(struct ldlm_lock *lock)
+{
+       bool ret = 0;
+
+       lock_res_and_lock(lock);
+       ret = (lock->l_policy_data.l_inodebits.cancel_bits == 0);
+       unlock_res_and_lock(lock);
+
+       return ret;
+}
+
 typedef void (*ldlm_policy_wire_to_local_t)(const union ldlm_wire_policy_data *,
                                            union ldlm_policy_data *);
 typedef void (*ldlm_policy_local_to_wire_t)(const union ldlm_policy_data *,