// TODO: CHECK/REPLACE/UPDATE OLD CODE (this file is based on xv6)
// On-disk file system format.
// Both the kernel and user programs use this header file.


#define ROOTINO  1   // root i-number
#define BSIZE 4096 // 1024  // block size

// Disk layout:
// [ boot block | super block | log | inode blocks |
//                                          free bit map | data blocks]
//
// mkfs computes the super block and builds an initial file system. The
// super block describes the disk layout

#define FSMAGIC 0x10203040

#define NDIRECT 12
#define NINDIRECT (BSIZE / sizeof(uint))
#define MAXFILE (NDIRECT + NINDIRECT)

// Inodes per block. TODO: This stuff will gradually be replaced with calculations on configurable values. -Zak
#define IPB           (BSIZE / sizeof(fsformat_inode_t))

// Block containing inode i
//#define IBLOCK(i, sb)     ((i) / IPB + (sb)->inodestart)

// Bitmap bits per block
#define BPB           (BSIZE*8)

// Block of free map containing bit for block b
//#define BBLOCK(b, sb) ((b)/BPB + (sb)->bmapstart)

// Directory is a file containing a sequence of dirent structures.
#define DIRSIZ 14