ufs.h File Reference

#include <ubixos/types.h>
#include <vfs/vfs.h>
#include <sys/device.h>

Go to the source code of this file.

Data Structures

struct csum

struct csum_total

struct dirent

struct fs

struct ufs1_dinode

struct ufs2_dinode

Defines

#define blkoff(fs, loc)

#define cgbase(fs, c)   (((ufs2_daddr_t)(fs)->fs_fpg) * (c))

#define cgdmin(fs, c)   (cgstart(fs, c) + (fs)->fs_dblkno)

#define cgimin(fs, c)   (cgstart(fs, c) + (fs)->fs_iblkno)

#define cgsblock(fs, c)   (cgstart(fs, c) + (fs)->fs_sblkno)

#define cgstart(fs, c)

#define cgtod(fs, c)   (cgstart(fs, c) + (fs)->fs_cblkno)

#define dbtofsb(fs, b)   ((b) >> (fs)->fs_fsbtodb)

#define DEV_BSHIFT   9

#define DEV_BSIZE   (1<<DEV_BSHIFT)

#define DT_DIR   4

#define DT_REG   8

#define fragroundup(fs, size)

#define FS_UFS1_MAGIC   0x011954

#define FS_UFS2_MAGIC   0x19540119

#define fsbtodb(fs, b)   ((daddr_t)(b) << (fs)->fs_fsbtodb)

#define FSMAXSNAP   20

#define ino_to_cg(fs, x)   ((x) / (fs)->fs_ipg)

#define ino_to_fsba(fs, x)

#define ino_to_fsbo(fs, x)   ((x) % INOPB(fs))

#define lblkno(fs, loc)

#define MAXBSIZE   65536

#define MAXMNTLEN   468

#define MAXNAMLEN   255

#define MAXVOLLEN   32

#define NDADDR   12

#define NIADDR   3

#define NINDIR(fs)   ((fs)->fs_nindir)

#define NOCSPTRS   ((128 / sizeof(void *)) - 4)

#define NXADDR   2

#define ROOTINO   ((ino_t)2)

#define sblksize(fs, size, lbn)

#define SBLOCK_FLOPPY   0

#define SBLOCK_PIGGY   262144

#define SBLOCK_UFS1   8192

#define SBLOCK_UFS2   65536

#define SBLOCKSEARCH   { SBLOCK_UFS2, SBLOCK_UFS1, SBLOCK_FLOPPY, SBLOCK_PIGGY, -1 }

#define SBLOCKSIZE   8192

Typedefs

typedef __int64_t daddr_t

typedef int32_t ufs1_daddr_t

typedef int64_t ufs2_daddr_t

typedef int64_t ufs_lbn_t

typedef int64_t ufs_time_t

Functions

int ufs_init ()

int ufs_initialize ()

Define Documentation

#define blkoff	(	fs,
		loc		)

Value:

/* calculates (loc % fs->fs_bsize) */ \
        ((loc) & (fs)->fs_qbmask)

Definition at line 90 of file ufs.h.

Referenced by fsread().

#define cgbase	(	fs,
		c		)	(((ufs2_daddr_t)(fs)->fs_fpg) * (c))

Definition at line 64 of file ufs.h.

#define cgdmin	(	fs,
		c		)	(cgstart(fs, c) + (fs)->fs_dblkno)

Definition at line 65 of file ufs.h.

#define cgimin	(	fs,
		c		)	(cgstart(fs, c) + (fs)->fs_iblkno)

Definition at line 66 of file ufs.h.

#define cgsblock	(	fs,
		c		)	(cgstart(fs, c) + (fs)->fs_sblkno)

Definition at line 67 of file ufs.h.

#define cgstart	(	fs,
		c		)

Value:

((fs)->fs_magic == FS_UFS2_MAGIC ? cgbase(fs, c) :               \
       (cgbase(fs, c) + (fs)->fs_old_cgoffset * ((c) & ~((fs)->fs_old_cgmask))))

Definition at line 69 of file ufs.h.

#define cgtod	(	fs,
		c		)	(cgstart(fs, c) + (fs)->fs_cblkno)

Definition at line 68 of file ufs.h.

#define dbtofsb	(	fs,
		b		)	((b) >> (fs)->fs_fsbtodb)

Definition at line 75 of file ufs.h.

#define DEV_BSHIFT 9

Definition at line 42 of file ufs.h.

Referenced by fsread().

#define DEV_BSIZE (1<<DEV_BSHIFT)

Definition at line 43 of file ufs.h.

Referenced by fsfind(), and fsread().

#define DT_DIR 4

Definition at line 41 of file ufs.h.

Referenced by lookup().

#define DT_REG 8

Definition at line 38 of file ufs.h.

Referenced by lookup().

#define fragroundup	(	fs,
		size		)

Value:

/* calculates roundup(size, fs->fs_fsize) */ \
        (((size) + (fs)->fs_qfmask) & (fs)->fs_fmask)

Definition at line 94 of file ufs.h.

#define FS_UFS1_MAGIC 0x011954

Definition at line 51 of file ufs.h.

Referenced by fsread().

#define FS_UFS2_MAGIC 0x19540119

Definition at line 52 of file ufs.h.

Referenced by fsread().

#define fsbtodb	(	fs,
		b		)	((daddr_t)(b) << (fs)->fs_fsbtodb)

Definition at line 74 of file ufs.h.

Referenced by fsread().

#define FSMAXSNAP 20

Definition at line 56 of file ufs.h.

#define ino_to_cg	(	fs,
		x		)	((x) / (fs)->fs_ipg)

Definition at line 83 of file ufs.h.

#define ino_to_fsba	(	fs,
		x		)

Value:

((ufs2_daddr_t)(cgimin(fs, ino_to_cg(fs, x)) +                  \
            (blkstofrags((fs), (((x) % (fs)->fs_ipg) / INOPB(fs))))))

Definition at line 84 of file ufs.h.

#define ino_to_fsbo	(	fs,
		x		)	((x) % INOPB(fs))

Definition at line 87 of file ufs.h.

#define lblkno	(	fs,
		loc		)

Value:

/* calculates (loc / fs->fs_bsize) */ \
        ((loc) >> (fs)->fs_bshift)

Definition at line 92 of file ufs.h.

Referenced by fsread().

#define MAXBSIZE 65536

Definition at line 57 of file ufs.h.

Referenced by fsread().

#define MAXMNTLEN 468

Definition at line 53 of file ufs.h.

#define MAXNAMLEN 255

Definition at line 39 of file ufs.h.

Referenced by lookup().

#define MAXVOLLEN 32

Definition at line 54 of file ufs.h.

#define NDADDR 12

Definition at line 121 of file ufs.h.

Referenced by fsread().

#define NIADDR 3

Definition at line 122 of file ufs.h.

#define NINDIR ( fs ) ((fs)->fs_nindir)

Definition at line 58 of file ufs.h.

Referenced by fsread().

#define NOCSPTRS ((128 / sizeof(void *)) - 4)

Definition at line 55 of file ufs.h.

#define NXADDR 2

Definition at line 120 of file ufs.h.

#define ROOTINO ((ino_t)2)

Definition at line 40 of file ufs.h.

Referenced by lookup().

#define sblksize	(	fs,
		size,
		lbn	)

Value:

(((lbn) >= NDADDR || (size) >= ((lbn) + 1) << (fs)->fs_bshift) \
          ? (fs)->fs_bsize \
          : (fragroundup(fs, blkoff(fs, (size)))))

Definition at line 98 of file ufs.h.

Referenced by fsread().

#define SBLOCK_FLOPPY 0

Definition at line 44 of file ufs.h.

#define SBLOCK_PIGGY 262144

Definition at line 47 of file ufs.h.

#define SBLOCK_UFS1 8192

Definition at line 45 of file ufs.h.

#define SBLOCK_UFS2 65536

Definition at line 46 of file ufs.h.

#define SBLOCKSEARCH { SBLOCK_UFS2, SBLOCK_UFS1, SBLOCK_FLOPPY, SBLOCK_PIGGY, -1 }

Definition at line 49 of file ufs.h.

#define SBLOCKSIZE 8192

Definition at line 48 of file ufs.h.

Typedef Documentation

typedef __int64_t daddr_t

Definition at line 110 of file ufs.h.

typedef int32_t ufs1_daddr_t

Definition at line 106 of file ufs.h.

typedef int64_t ufs2_daddr_t

Definition at line 107 of file ufs.h.

typedef int64_t ufs_lbn_t

Definition at line 108 of file ufs.h.

typedef int64_t ufs_time_t

Definition at line 109 of file ufs.h.

Function Documentation

int ufs_init ( )

Definition at line 314 of file ufs.c.

References kpanic(), NULL, ufs_initialize(), ufs_openFile(), ufs_readFile(), ufs_writeFile(), vfsRegisterFS(), and x1.

int ufs_initialize ( )

Referenced by ufs_init().

Generated on Tue Dec 12 08:52:13 2006 for UbixOS V2 by

1.4.7


Data Structures
struct	csum
struct	csum_total
struct	dirent
struct	fs
struct	ufs1_dinode
struct	ufs2_dinode
Defines
#define	blkoff(fs, loc)
#define	cgbase(fs, c) (((ufs2_daddr_t)(fs)->fs_fpg) * (c))
#define	cgdmin(fs, c) (cgstart(fs, c) + (fs)->fs_dblkno)
#define	cgimin(fs, c) (cgstart(fs, c) + (fs)->fs_iblkno)
#define	cgsblock(fs, c) (cgstart(fs, c) + (fs)->fs_sblkno)
#define	cgstart(fs, c)
#define	cgtod(fs, c) (cgstart(fs, c) + (fs)->fs_cblkno)
#define	dbtofsb(fs, b) ((b) >> (fs)->fs_fsbtodb)
#define	DEV_BSHIFT 9
#define	DEV_BSIZE (1<<DEV_BSHIFT)
#define	DT_DIR 4
#define	DT_REG 8
#define	fragroundup(fs, size)
#define	FS_UFS1_MAGIC 0x011954
#define	FS_UFS2_MAGIC 0x19540119
#define	fsbtodb(fs, b) ((daddr_t)(b) << (fs)->fs_fsbtodb)
#define	FSMAXSNAP 20
#define	ino_to_cg(fs, x) ((x) / (fs)->fs_ipg)
#define	ino_to_fsba(fs, x)
#define	ino_to_fsbo(fs, x) ((x) % INOPB(fs))
#define	lblkno(fs, loc)
#define	MAXBSIZE 65536
#define	MAXMNTLEN 468
#define	MAXNAMLEN 255
#define	MAXVOLLEN 32
#define	NDADDR 12
#define	NIADDR 3
#define	NINDIR(fs) ((fs)->fs_nindir)
#define	NOCSPTRS ((128 / sizeof(void *)) - 4)
#define	NXADDR 2
#define	ROOTINO ((ino_t)2)
#define	sblksize(fs, size, lbn)
#define	SBLOCK_FLOPPY 0
#define	SBLOCK_PIGGY 262144
#define	SBLOCK_UFS1 8192
#define	SBLOCK_UFS2 65536
#define	SBLOCKSEARCH { SBLOCK_UFS2, SBLOCK_UFS1, SBLOCK_FLOPPY, SBLOCK_PIGGY, -1 }
#define	SBLOCKSIZE 8192
Typedefs
typedef __int64_t	daddr_t
typedef int32_t	ufs1_daddr_t
typedef int64_t	ufs2_daddr_t
typedef int64_t	ufs_lbn_t
typedef int64_t	ufs_time_t
Functions
int	ufs_init ()
int	ufs_initialize ()