--- /dev/null
+/*
+ * 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 (mach_daddr_t))
+
+struct icommon
+ {
+ unsigned short ic_mode; /* 0: mode and type of file */
+ short ic_nlink; /* 2: number of links to file */
+ mach_uid_t ic_uid; /* 4: owner's user id */
+ mach_gid_t ic_gid; /* 6: owner's group id */
+ quad ic_size; /* 8: number of bytes in file */
+ mach_time_t ic_atime; /* 16: time last accessed */
+ int ic_atspare;
+ mach_time_t ic_mtime; /* 24: time last modified */
+ int ic_mtspare;
+ mach_time_t ic_ctime; /* 32: last time inode changed */
+ int ic_ctspare;
+ union
+ {
+ struct
+ {
+ mach_daddr_t Mb_db[FFS_NDADDR]; /* 40: disk block addresses */
+ mach_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 */
+ };
+
+/*
+ * 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_ */
Code Review / kvmfornfv.git / blobdiff