libreiser4-dev 1.0.7-6.3fakesync2 / usr / include / reiser4 / tree.h

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/usr/include/reiser4/tree.h is in libreiser4-dev 1.0.7-6.3fakesync2.

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/* Copyright (C) 2001-2005 by Hans Reiser, licensing governed by
   reiser4progs/COPYING.
   
   tree.h -- reiser4 balanced tree functions. */

#ifndef REISER4_TREE_H
#define REISER4_TREE_H

#include <reiser4/types.h>

#define REISER4_TREE_MAX_HEIGHT 10

extern void reiser4_tree_close(reiser4_tree_t *tree);
extern errno_t reiser4_tree_adjust(reiser4_tree_t *tree);
extern errno_t reiser4_tree_collapse(reiser4_tree_t *tree);
extern reiser4_tree_t *reiser4_tree_init(reiser4_fs_t *fs);

extern errno_t reiser4_tree_root_key(reiser4_tree_t *tree,
				     reiser4_key_t *key);

extern errno_t reiser4_tree_walk_node(reiser4_tree_t *tree,
				      reiser4_node_t *node,
#ifndef ENABLE_MINIMAL
				      walk_func_t pre_func,
				      walk_on_func_t on_func,
#endif
				      walk_func_t post_func);

extern errno_t reiser4_tree_next_place(reiser4_tree_t *tree, 
				       reiser4_place_t *place,
				       reiser4_place_t *next);

#ifndef ENABLE_MINIMAL
extern errno_t reiser4_tree_next_key(reiser4_tree_t *tree, 
				     reiser4_place_t *place, 
				     reiser4_key_t *key);
#endif

extern errno_t reiser4_tree_place_key(reiser4_tree_t *tree, 
				      reiser4_place_t *place,
				      reiser4_key_t *key);

extern errno_t reiser4_tree_mpressure(reiser4_tree_t *tree);

extern errno_t reiser4_tree_connect_node(reiser4_tree_t *tree,
					 reiser4_node_t *parent,
					 reiser4_node_t *node);

extern errno_t reiser4_tree_disconnect_node(reiser4_tree_t *tree,
					    reiser4_node_t *node);

extern reiser4_node_t *reiser4_tree_child_node(reiser4_tree_t *tree,
					       reiser4_place_t *place);

#ifndef ENABLE_MINIMAL
extern errno_t reiser4_tree_discard_node(reiser4_tree_t *tree,
					 reiser4_node_t *node);

extern inline uint32_t reiser4_tree_target_level(reiser4_tree_t *tree,
						 reiser4_plug_t *plug);

extern bool_t reiser4_tree_fresh(reiser4_tree_t *tree);
extern bool_t reiser4_tree_minimal(reiser4_tree_t *tree);
extern bool_t reiser4_tree_singular(reiser4_tree_t *tree);
extern errno_t reiser4_tree_sync(reiser4_tree_t *tree);
extern errno_t reiser4_tree_growup(reiser4_tree_t *tree);
extern errno_t reiser4_tree_dryout(reiser4_tree_t *tree);
extern errno_t reiser4_tree_compress(reiser4_tree_t *tree);

extern void reiser4_tree_set_root(reiser4_tree_t *tree, blk_t blk);
extern void reiser4_tree_set_height(reiser4_tree_t *tree, uint8_t height);

extern int64_t reiser4_tree_insert(reiser4_tree_t *tree,
				   reiser4_place_t *place,
				   trans_hint_t *hint,
				   uint8_t level);

extern int64_t reiser4_tree_write(reiser4_tree_t *tree,
				  reiser4_place_t *place,
				  trans_hint_t *hint,
				  uint8_t level);

extern errno_t reiser4_tree_remove(reiser4_tree_t *tree,
				   reiser4_place_t *place,
				   trans_hint_t *hint);

extern errno_t reiser4_tree_shift(reiser4_tree_t *tree,
				  reiser4_place_t *place,
				  reiser4_node_t *neig,
				  uint32_t flags);

extern errno_t reiser4_tree_shrink(reiser4_tree_t *tree,
				   reiser4_place_t *place);

extern int32_t reiser4_tree_expand(reiser4_tree_t *tree,
				   reiser4_place_t *place,
				   reiser4_place_t *parent,
				   uint32_t ilen,
				   uint32_t ioverh,
				   uint32_t flags);

extern errno_t reiser4_tree_trav(reiser4_tree_t *tree,
				 tree_open_func_t open_func,
				 node_func_t before_func,
				 place_func_t update_func,
				 node_func_t after_func,
				 void *data);

extern errno_t reiser4_tree_update_keys(reiser4_tree_t *tree,
					reiser4_place_t *place,
					reiser4_key_t *key);

extern errno_t reiser4_tree_assign_root(reiser4_tree_t *tree,
					reiser4_node_t *node);

extern errno_t reiser4_tree_load_root(reiser4_tree_t *tree);

extern reiser4_node_t *reiser4_tree_alloc_node(reiser4_tree_t *tree,
					       uint8_t level);

extern errno_t reiser4_tree_unlock_node(reiser4_tree_t *tree,
					reiser4_node_t *node);

extern bool_t reiser4_tree_attached_node(reiser4_tree_t *tree,
					 reiser4_node_t *node);

extern errno_t reiser4_tree_attach_node(reiser4_tree_t *tree,
					reiser4_node_t *node,
					reiser4_place_t *place,
					uint32_t flags);

extern errno_t reiser4_tree_detach_node(reiser4_tree_t *tree,
					reiser4_node_t *node,
					uint32_t flags);

extern errno_t reiser4_tree_trav_node(reiser4_tree_t *tree,
				      reiser4_node_t *node,
				      tree_open_func_t open_func,
				      node_func_t before_func,
				      place_func_t update_func,
				      node_func_t after_func,
				      void *data);

extern int64_t reiser4_tree_modify(reiser4_tree_t *tree, reiser4_place_t *place,
				   trans_hint_t *hint, uint8_t level, 
				   estimate_func_t estimate_func,
				   modify_func_t modify_func);

extern errno_t reiser4_tree_copy(reiser4_tree_t *src_tree,
				 reiser4_tree_t *dst_tree);

extern errno_t reiser4_tree_resize(reiser4_tree_t *tree,
				   count_t blocks);

extern uint8_t reiser4_tree_get_height(reiser4_tree_t *tree);

extern errno_t reiser4_tree_rehash_node(reiser4_tree_t *tree,
					reiser4_node_t *node,
					blk_t new_blk);


#endif

extern blk_t reiser4_tree_get_root(reiser4_tree_t *tree);
extern uint32_t reiser4_tree_get_blksize(reiser4_tree_t *tree);

extern errno_t reiser4_tree_unload_node(reiser4_tree_t *tree,
					reiser4_node_t *node);

extern errno_t reiser4_tree_release_node(reiser4_tree_t *tree,
					 reiser4_node_t *node);

extern lookup_t reiser4_tree_collision(reiser4_tree_t *tree,
				       reiser4_place_t *place,
				       coll_hint_t *hint);

extern lookup_t reiser4_collision_handler(reiser4_place_t *place,
					  lookup_bias_t bias,
					  lookup_t lookup,
					  void *data);

extern reiser4_node_t *reiser4_tree_lookup_node(reiser4_tree_t *tree,
						blk_t blk);

extern reiser4_node_t *reiser4_tree_load_node(reiser4_tree_t *tree,
					      reiser4_node_t *parent,
					      blk_t blk);

extern lookup_t reiser4_tree_lookup(reiser4_tree_t *tree, lookup_hint_t *hint,
				    lookup_bias_t bias, reiser4_place_t *place);

extern errno_t reiser4_tree_scan(reiser4_tree_t *tree, 
				 node_func_t pre_func, 
				 place_func_t func, 
				 void *data);


#endif

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