Initial Revision

1 files changed, 101 insertions, 0 deletions

diff --git a/serverboot/disk_inode.h b/serverboot/disk_inode.h
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+++ b/serverboot/disk_inode.h
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+/* 
+ * Mach Operating System
+ * Copyright (c) 1991,1990 Carnegie Mellon University
+ * All Rights Reserved.
+ * 
+ * Permission to use, copy, modify and distribute this software and its
+ * documentation is hereby granted, provided that both the copyright
+ * notice and this permission notice appear in all copies of the
+ * software, derivative works or modified versions, and any portions
+ * thereof, and that both notices appear in supporting documentation.
+ * 
+ * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
+ * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
+ * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
+ * 
+ * Carnegie Mellon requests users of this software to return to
+ * 
+ *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
+ *  School of Computer Science
+ *  Carnegie Mellon University
+ *  Pittsburgh PA 15213-3890
+ * 
+ * any improvements or extensions that they make and grant Carnegie Mellon
+ * the rights to redistribute these changes.
+ */
+/*
+ * Copyright (c) 1982, 1989 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley.  The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ *	@(#)inode.h	7.5 (Berkeley) 7/3/89
+ */
+
+#ifndef	_BOOT_UFS_DISK_INODE_H_
+#define	_BOOT_UFS_DISK_INODE_H_
+
+/*
+ * The I node is the focus of all file activity in the BSD Fast File System.
+ * There is a unique inode allocated for each active file,
+ * each current directory, each mounted-on file, text file, and the root.
+ * An inode is 'named' by its dev/inumber pair. (iget/iget.c)
+ * Data in icommon is read in from permanent inode on volume.
+ */
+
+#define	FFS_NDADDR	12	/* direct addresses in inode */
+#define	FFS_NIADDR	3	/* indirect addresses in inode */
+
+#define	FFS_MAX_FASTLINK_SIZE	((FFS_NDADDR + FFS_NIADDR) * sizeof(daddr_t))
+
+struct 	icommon {
+	u_short	ic_mode;	/*  0: mode and type of file */
+	short	ic_nlink;	/*  2: number of links to file */
+	uid_t	ic_uid;		/*  4: owner's user id */
+	gid_t	ic_gid;		/*  6: owner's group id */
+	quad	ic_size;	/*  8: number of bytes in file */
+	time_t	ic_atime;	/* 16: time last accessed */
+	int	ic_atspare;
+	time_t	ic_mtime;	/* 24: time last modified */
+	int	ic_mtspare;
+	time_t	ic_ctime;	/* 32: last time inode changed */
+	int	ic_ctspare;
+	union {
+	    struct {
+		daddr_t	Mb_db[FFS_NDADDR];	/* 40: disk block addresses */
+		daddr_t	Mb_ib[FFS_NIADDR];	/* 88: indirect blocks */
+	    } ic_Mb;
+	    char	ic_Msymlink[FFS_MAX_FASTLINK_SIZE];
+					/* 40: symbolic link name */
+	} ic_Mun;
+#define	ic_db		ic_Mun.ic_Mb.Mb_db
+#define	ic_ib		ic_Mun.ic_Mb.Mb_ib
+#define	ic_symlink	ic_Mun.ic_Msymlink
+	int	ic_flags;	/* 100: status, currently unused */
+	int	ic_blocks;	/* 104: blocks actually held */
+	int	ic_gen;		/* 108: generation number */
+	int	ic_spare[4];	/* 112: reserved, currently unused */
+} i_ic;
+
+/*
+ *	Same structure, but on disk.
+ */
+struct dinode {
+	union {
+	    struct icommon	di_com;
+	    char		di_char[128];
+	} di_un;
+};
+#define	di_ic	di_un.di_com
+
+#endif	/* _BOOT_UFS_DISK_INODE_H_ */