bfs_fs.h File Reference

#include <linux/types.h>

Go to the source code of this file.

Data Structures
struct	bfs_inode
struct	bfs_dirent
struct	bfs_super_block

Macros
#define	BFS_BSIZE_BITS   9
#define	BFS_BSIZE   (1<<BFS_BSIZE_BITS)
#define	BFS_MAGIC   0x1BADFACE
#define	BFS_ROOT_INO   2
#define	BFS_INODES_PER_BLOCK   8
#define	BFS_VDIR   2L
#define	BFS_VREG   1L
#define	BFS_NAMELEN   14
#define	BFS_DIRENT_SIZE   16
#define	BFS_DIRS_PER_BLOCK   32
#define	BFS_OFF2INO(offset)   ((((offset) - BFS_BSIZE) / sizeof(struct bfs_inode)) + BFS_ROOT_INO)
#define	BFS_INO2OFF(ino)   ((__u32)(((ino) - BFS_ROOT_INO) * sizeof(struct bfs_inode)) + BFS_BSIZE)
#define	BFS_NZFILESIZE(ip)   ((le32_to_cpu((ip)->i_eoffset) + 1) - le32_to_cpu((ip)->i_sblock) * BFS_BSIZE)
#define	BFS_FILESIZE(ip)   ((ip)->i_sblock == 0 ? 0 : BFS_NZFILESIZE(ip))
#define	BFS_FILEBLOCKS(ip)   ((ip)->i_sblock == 0 ? 0 : (le32_to_cpu((ip)->i_eblock) + 1) - le32_to_cpu((ip)->i_sblock))
#define	BFS_UNCLEAN(bfs_sb, sb)   ((le32_to_cpu(bfs_sb->s_from) != -1) && (le32_to_cpu(bfs_sb->s_to) != -1) && !(sb->s_flags & MS_RDONLY))

Macro Definition Documentation

#define BFS_BSIZE   (1<<BFS_BSIZE_BITS)

Definition at line 12 of file bfs_fs.h.

#define BFS_BSIZE_BITS   9

Definition at line 11 of file bfs_fs.h.

#define BFS_DIRENT_SIZE   16

Definition at line 41 of file bfs_fs.h.

#define BFS_DIRS_PER_BLOCK   32

Definition at line 42 of file bfs_fs.h.

#define BFS_FILEBLOCKS

(

ip

)

((ip)->i_sblock == 0 ? 0 : (le32_to_cpu((ip)->i_eblock) + 1) - le32_to_cpu((ip)->i_sblock))

Definition at line 75 of file bfs_fs.h.

#define BFS_FILESIZE

(

ip

)

((ip)->i_sblock == 0 ? 0 : BFS_NZFILESIZE(ip))

Definition at line 72 of file bfs_fs.h.

#define BFS_INO2OFF

(

ino

)

((__u32)(((ino) - BFS_ROOT_INO) * sizeof(struct bfs_inode)) + BFS_BSIZE)

Definition at line 67 of file bfs_fs.h.

#define BFS_INODES_PER_BLOCK   8

Definition at line 16 of file bfs_fs.h.

#define BFS_MAGIC   0x1BADFACE

Definition at line 14 of file bfs_fs.h.

#define BFS_NAMELEN   14

Definition at line 40 of file bfs_fs.h.

#define BFS_NZFILESIZE

(

ip

)

((le32_to_cpu((ip)->i_eoffset) + 1) - le32_to_cpu((ip)->i_sblock) * BFS_BSIZE)

Definition at line 69 of file bfs_fs.h.

#define BFS_OFF2INO

(

offset

)

((((offset) - BFS_BSIZE) / sizeof(struct bfs_inode)) + BFS_ROOT_INO)

Definition at line 64 of file bfs_fs.h.

#define BFS_ROOT_INO   2

Definition at line 15 of file bfs_fs.h.

#define BFS_UNCLEAN	(		bfs_sb,
			sb
	)		((le32_to_cpu(bfs_sb->s_from) != -1) && (le32_to_cpu(bfs_sb->s_to) != -1) && !(sb->s_flags & MS_RDONLY))

Definition at line 77 of file bfs_fs.h.

#define BFS_VDIR   2L

Definition at line 19 of file bfs_fs.h.

#define BFS_VREG   1L

Definition at line 20 of file bfs_fs.h.