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Length: 2321 (0x911)
Types: TextFile
Notes: UNIX file
Names: »s5param.h«
└─⟦a6ab2eb36⟧ Bits:30004042/kconfig3.imd SW95705I 386/ix Multi-user Release 1.2
└─⟦a6ab2eb36⟧ UNIX Filesystem
└─⟦this⟧ »kc/new/usr/include/sys/fs/s5param.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/* Copyright (c) 1984 AT&T */ /* All Rights Reserved */ /* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */ /* The copyright notice above does not evidence any */ /* actual or intended publication of such source code.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 "@(#)s5param.h 1.3" /* /* * filesystem parameters */ #define SUPERB ((daddr_t)1) /* block number of the super block */ #define DIRSIZ 14 /* max characters per directory */ #define NICINOD 100 /* number of superblock inodes */ #define NICFREE 50 /* number of superblock free blocks */ #define S5ROOTINO 2 /* i number of all roots */ #ifndef FsTYPE #define FsTYPE 2 #endif #if FsTYPE==1 /* Original 512 byte file system */ #define BSIZE 512 /* size of secondary block (bytes) */ #define SBUFSIZE 512 /* system buffer size */ #define BSHIFT 9 /* log2(BSIZE) */ #define NINDIR (BSIZE/sizeof(daddr_t)) /* BSIZE/sizeof(daddr_t) */ #define BMASK 0777 /* BSIZE-1 */ #define INOPB 8 /* BSIZE/sizeof(struct dinode) */ #define INOSHIFT 3 /* log2(INOPB) */ #define NMASK 0177 /* NINDIR-1 */ #define NSHIFT 7 /* log2(NINDIR) */ #define NDPC 4 /* number of blocks/click */ #define Fs2BLK 0x8000 /* large block flag in bsize */ #endif #if FsTYPE==2 /* New 1024 byte file system */ #define BSIZE 1024 /* size of secondary block (bytes) */ #define SBUFSIZE 1024 /* system buffer size */ #define BSHIFT 10 /* log2(BSIZE) */ #define NINDIR (BSIZE/sizeof(daddr_t)) /* BSIZE/sizeof(daddr_t) */ #define BMASK 01777 /* BSIZE-1 */ #define INOPB 16 /* BSIZE/sizeof(struct dinode) */ #define INOSHIFT 4 /* log2(INOPB) */ #define NMASK 0377 /* NINDIR-1 */ #define NSHIFT 8 /* log2(NINDIR) */ #define NDPC 4 /* number of blocks per click */ #define Fs2BLK 0x8000 /* large block flag in bsize */ #endif #if FsTYPE==3 /* Dual file system */ #define BSIZE 512 /* size of secondary block (bytes) */ #define SBUFSIZE 1024 /* system buffer size */ #define BSHIFT 9 /* log2(BSIZE) */ #define NINDIR 128 /* BSIZE/sizeof(daddr_t) */ #define BMASK 0777 /* BSIZE-1 */ #define INOPB 8 /* BSIZE/sizeof(struct dinode) */ #define INOSHIFT 3 /* log2(INOPB) */ #define NMASK 0177 /* NINDIR-1 */ #define NSHIFT 7 /* log2(NINDIR) */ #define NDPC 4 #define Fs2BLK 0x8000 /* large block flag in bsize */ #endif #define SUPERBOFF 512 /* superblock offset */