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authorJason Downs <downsj@cvs.openbsd.org>1997-05-30 05:18:52 +0000
committerJason Downs <downsj@cvs.openbsd.org>1997-05-30 05:18:52 +0000
commitd908a83a81adfc346b70e30ce4fc7853f62e0df6 (patch)
treedb8ae64ff36c9b327a35d028e87f85c91ea87565 /sys/ufs/ext2fs/ext2fs_dinode.h
parent033264ad4b94e60bb5c7599637dfd6ef0cfe6bd5 (diff)
Non-GPLd ext2fs code from Manuel, unmodified.
Diffstat (limited to 'sys/ufs/ext2fs/ext2fs_dinode.h')
-rw-r--r--sys/ufs/ext2fs/ext2fs_dinode.h132
1 files changed, 132 insertions, 0 deletions
diff --git a/sys/ufs/ext2fs/ext2fs_dinode.h b/sys/ufs/ext2fs/ext2fs_dinode.h
new file mode 100644
index 00000000000..db0ce26ec92
--- /dev/null
+++ b/sys/ufs/ext2fs/ext2fs_dinode.h
@@ -0,0 +1,132 @@
+/* $NetBSD: dinode.h,v 1.7 1995/06/15 23:22:48 cgd Exp $ */
+
+/* Modified for EXT2FS on NetBSD by Manuel Bouyer, April 1997 */
+
+/*
+ * Copyright (c) 1982, 1989, 1993
+ * The Regents of the University of California. All rights reserved.
+ * (c) UNIX System Laboratories, Inc.
+ * All or some portions of this file are derived from material licensed
+ * to the University of California by American Telephone and Telegraph
+ * Co. or Unix System Laboratories, Inc. and are reproduced herein with
+ * the permission of UNIX System Laboratories, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by the University of
+ * California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * @(#)dinode.h 8.6 (Berkeley) 9/13/94
+ */
+
+#include <sys/stat.h>
+
+/*
+ * The root inode is the root of the file system. Inode 0 can't be used for
+ * normal purposes and bad blocks are normally linked to inode 1, thus
+ * the root inode is 2.
+ * Inode 3 to 10 are reserved in ext2fs.
+ */
+#define EXT2_ROOTINO ((ino_t)2)
+#define EXT2_FIRSTINO ((ino_t)11)
+
+/*
+ * A dinode contains all the meta-data associated with a UFS file.
+ * This structure defines the on-disk format of a dinode. Since
+ * this structure describes an on-disk structure, all its fields
+ * are defined by types with precise widths.
+ */
+
+#define NDADDR 12 /* Direct addresses in inode. */
+#define NIADDR 3 /* Indirect addresses in inode. */
+
+#define EXT2_MAXSYMLINKLEN ((NDADDR+NIADDR) * sizeof (u_int32_t))
+
+struct ext2fs_dinode {
+ u_int16_t e2di_mode; /* 0: IFMT, permissions; see below. */
+ u_int16_t e2di_uid; /* 2: Owner UID */
+ u_int32_t e2di_size; /* 4: Size (in bytes) */
+ u_int32_t e2di_atime; /* 8: Acces time */
+ u_int32_t e2di_ctime; /* 12: Create time */
+ u_int32_t e2di_mtime; /* 16: Modification time */
+ u_int32_t e2di_dtime; /* 20: Deletion time */
+ u_int16_t e2di_gid; /* 24: Owner GID */
+ u_int16_t e2di_nlink; /* 26: File link count */
+ u_int32_t e2di_nblock;/* 28: Blocks count */
+ u_int32_t e2di_flags; /* 32: Status flags (chflags) */
+ u_int32_t e2di_linux_reserved1; /* 36 */
+ u_int32_t e2di_blocks[NDADDR+NIADDR]; /* 40: disk blocks */
+ u_int32_t e2di_gen; /* 100: generation number (file version) */
+ u_int32_t e2di_facl; /* 104: file ACL (not implemented) */
+ u_int32_t e2di_dacl; /* 108: dir ACL (not implemented) */
+ u_int32_t e2di_faddr; /* 112: fragment address */
+ u_int8_t e2di_nfrag; /* 116: fragment number */
+ u_int8_t e2di_fsize; /* 117: fragment size */
+ u_int16_t e2di_linux_reserved2; /* 118 */
+ u_int32_t e2di_linux_reserved3[2]; /* 120 */
+};
+
+
+
+#define E2MAXSYMLINKLEN ((NDADDR + NIADDR) * sizeof(u_int32_t))
+
+/* File permissions. */
+#define EXT2_IEXEC 0000100 /* Executable. */
+#define EXT2_IWRITE 0000200 /* Writeable. */
+#define EXT2_IREAD 0000400 /* Readable. */
+#define EXT2_ISVTX 0001000 /* Sticky bit. */
+#define EXT2_ISGID 0002000 /* Set-gid. */
+#define EXT2_ISUID 0004000 /* Set-uid. */
+
+/* File types. */
+#define EXT2_IFMT 0170000 /* Mask of file type. */
+#define EXT2_IFIFO 0010000 /* Named pipe (fifo). */
+#define EXT2_IFCHR 0020000 /* Character device. */
+#define EXT2_IFDIR 0040000 /* Directory file. */
+#define EXT2_IFBLK 0060000 /* Block device. */
+#define EXT2_IFREG 0100000 /* Regular file. */
+#define EXT2_IFLNK 0120000 /* Symbolic link. */
+#define EXT2_IFSOCK 0140000 /* UNIX domain socket. */
+
+/* file flags */
+#define EXT2_SECRM 0x00000001 /* Secure deletion */
+#define EXT2_UNRM 0x00000002 /* Undelete */
+#define EXT2_COMPR 0x00000004 /* Compress file */
+#define EXT2_SYNC 0x00000008 /* Synchronous updates */
+#define EXT2_IMMUTABLE 0x00000010 /* Immutable file */
+#define EXT2_APPEND 0x00000020 /* writes to file may only append */
+#define EXT2_NODUMP 0x00000040 /* do not dump file */
+
+/*
+ * The e2di_blocks fields may be overlaid with other information for
+ * file types that do not have associated disk storage. Block
+ * and character devices overlay the first data block with their
+ * dev_t value. Short symbolic links place their path in the
+ * di_db area.
+ */
+
+#define e2di_rdev e2di_blocks[0]
+#define e2di_shortlink e2di_blocks