Definition of the superblock data type. More...

#include <superblock.h>

Data Structures
struct	HeadCache
	head cache of references to free data blocks More...

struct	TailCache
	tail cache of references to free data blocks More...

Data Fields
uint16_t	magic
	magic number - file system identification number

uint16_t	version
	version number

char	name [PARTITION_NAME_SIZE+1]
	volume name

uint8_t	mntstat
	mount status (1: properly unmounted; 0: otherwise)

uint8_t	mntcnt
	number of mounts since last file system check

uint32_t	ntotal
	total number of blocks in the device

uint32_t	it_size
	number of blocks that the inode table comprises

uint32_t	itotal
	total number of inodes

uint32_t	ifree
	number of free inodes

uint32_t	ihead
	number of fist free inode

uint32_t	itail
	number of last free inode

uint32_t	dz_start
	physical number of the block where the data zone starts

uint32_t	dz_total
	total number of data blocks

uint32_t	dz_free
	number of free blocks in data zone

uint32_t	head_blk
	number of head reference data block

uint32_t	head_idx
	first occupied position in head reference data block

uint32_t	tail_blk
	number of tail reference data block

uint32_t	tail_idx
	first empty position in tail reference data block

Detailed Description

Definition of the superblock data type.

The documentation for this struct was generated from the following file:

Data Structures