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

#ifndef REISER4_FORMAT_H
#define REISER4_FORMAT_H

#include <reiser4/types.h>

extern reiser4_format_t *reiser4_format_open(reiser4_fs_t *fs);

#ifndef ENABLE_MINIMAL
extern errno_t reiser4_format_sync(reiser4_format_t *format);
extern void reiser4_format_mkdirty(reiser4_format_t *format);
extern void reiser4_format_mkclean(reiser4_format_t *format);
extern bool_t reiser4_format_isdirty(reiser4_format_t *format);

extern reiser4_format_t *reiser4_format_create(reiser4_fs_t *fs,
					       reiser4_format_plug_t *plug,
					       rid_t policy,
					       rid_t key,
					       rid_t key_alloc,
					       rid_t node,
					       count_t blocks,
					       long int mkfs_id,
					       uint64_t subvol_id,
					       uint64_t num_subvols,
					       uint8_t nr_sgs_bits);

extern errno_t reiser4_format_backup(reiser4_format_t *format,
				     backup_hint_t *hint);

extern errno_t reiser4_format_layout(reiser4_format_t *format, 
				     region_func_t func,
				     void *data);

extern void reiser4_format_set_root(reiser4_format_t *format, 
				    blk_t root);

extern void reiser4_format_set_len(reiser4_format_t *format, 
				   count_t blocks);

extern void reiser4_format_set_free(reiser4_format_t *format, 
				    count_t blocks);

extern void reiser4_format_set_height(reiser4_format_t *format, 
				      uint8_t height);

extern void reiser4_format_set_stamp(reiser4_format_t *format, 
				     uint32_t stamp);

extern void reiser4_format_set_policy(reiser4_format_t *format, 
				      uint16_t policy);

extern errno_t reiser4_format_mark(reiser4_format_t *format, 
				   reiser4_alloc_t *alloc);

extern count_t reiser4_format_len(aal_device_t *device, uint32_t blksize);

extern errno_t reiser4_format_check_len(aal_device_t *device, 
					uint32_t blksize, 
					count_t blocks);

extern errno_t reiser4_format_valid(reiser4_format_t *format);
extern rid_t reiser4_format_oid_pid(reiser4_format_t *format);
extern rid_t reiser4_format_alloc_pid(reiser4_format_t *format);
extern rid_t reiser4_format_journal_pid(reiser4_format_t *format);
extern rid_t reiser4_format_node_pid(reiser4_format_t *format);

extern blk_t reiser4_format_start(reiser4_format_t *format);
extern count_t reiser4_format_get_len(reiser4_format_t *format);
extern count_t reiser4_format_get_free(reiser4_format_t *format);
extern const char *reiser4_format_name(reiser4_format_t *format);
extern uint32_t reiser4_format_get_stamp(reiser4_format_t *format);
extern uint16_t reiser4_format_get_policy(reiser4_format_t *format);
extern blk_t reiser4_format_get_root(reiser4_format_t *format);

extern errno_t reiser4_format_inc_free(reiser4_format_t *format,
				       count_t count);

extern errno_t reiser4_format_dec_free(reiser4_format_t *format,
				       count_t count);
#endif

extern void reiser4_format_close(reiser4_format_t *format);
extern uint16_t reiser4_format_get_height(reiser4_format_t *format);
#endif