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Length: 1695 (0x69f)
Types: TextFile
Notes: UNIX file
Names: »s5filsys.h«
└─⟦a6ab2eb36⟧ Bits:30004042/kconfig3.imd SW95705I 386/ix Multi-user Release 1.2
└─⟦a6ab2eb36⟧ UNIX Filesystem
└─⟦this⟧ »kc/new/usr/include/sys/fs/s5filsys.h«
/* Copyright (c) 1984 AT&T */
/* All Rights Reserved */
/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
/* The copyright notice above does not evidence any */
/* actual or intended publication of such source code. */
#ident "@(#)s5filsys.h 1.3"
/*
* Structure of the super-block.
*/
struct filsys
{
ushort s_isize; /* size in blocks of i-list */
daddr_t s_fsize; /* size in blocks of entire volume */
short s_nfree; /* number of addresses in s_free */
daddr_t s_free[NICFREE];/* free block list */
short s_ninode; /* number of i-nodes in s_inode */
ushort s_inode[NICINOD];/* free i-node list */
char s_flock; /* lock during free list manipulation */
char s_ilock; /* lock during i-list manipulation */
char s_fmod; /* super block modified flag */
char s_ronly; /* mounted read-only flag */
time_t s_time; /* last super block update */
short s_dinfo[4]; /* device information */
daddr_t s_tfree; /* total free blocks*/
ushort s_tinode; /* total free inodes */
char s_fname[6]; /* file system name */
char s_fpack[6]; /* file system pack name */
long s_fill[12]; /* adjust to make sizeof filsys */
long s_state; /* file system state */
long s_magic; /* magic number to indicate new file system */
long s_type; /* type of new file system */
} ;
#define FsMAGIC 0xfd187e20 /* s_magic */
#define Fs1b 1 /* 512 byte block */
#define Fs2b 2 /* 1024 byte block */
#define FsOKAY 0x7c269d38 /* s_state: clean */
#define FsACTIVE 0x5e72d81a /* s_state: active */
#define FsBAD 0xcb096f43 /* s_state: bad root */
#define FsBADBLK 0xbadbc14b /* s_state: bad block corrupted it */
#define getfs(mp) (struct filsys *)((struct buf *)mp->m_bufp)->b_un.b_addr