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+/*
+ * Copyright 2000-2002 by Hans Reiser, licensing governed by reiserfs/README
+ *
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2000, 2001 Free Software Foundation, Inc.
+ *
+ * (C) Copyright 2003 Sysgo Real-Time Solutions, AG <www.elinos.com>
+ * Pavel Bartusek <pba@sysgo.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+/* An implementation for the ReiserFS filesystem ported from GRUB.
+ * Some parts of this code (mainly the structures and defines) are
+ * from the original reiser fs code, as found in the linux kernel.
+ */
+
+
+#define SECTOR_SIZE 0x200
+#define SECTOR_BITS 9
+
+/* Error codes */
+typedef enum
+{
+ ERR_NONE = 0,
+ ERR_BAD_FILENAME,
+ ERR_BAD_FILETYPE,
+ ERR_BAD_GZIP_DATA,
+ ERR_BAD_GZIP_HEADER,
+ ERR_BAD_PART_TABLE,
+ ERR_BAD_VERSION,
+ ERR_BELOW_1MB,
+ ERR_BOOT_COMMAND,
+ ERR_BOOT_FAILURE,
+ ERR_BOOT_FEATURES,
+ ERR_DEV_FORMAT,
+ ERR_DEV_VALUES,
+ ERR_EXEC_FORMAT,
+ ERR_FILELENGTH,
+ ERR_FILE_NOT_FOUND,
+ ERR_FSYS_CORRUPT,
+ ERR_FSYS_MOUNT,
+ ERR_GEOM,
+ ERR_NEED_LX_KERNEL,
+ ERR_NEED_MB_KERNEL,
+ ERR_NO_DISK,
+ ERR_NO_PART,
+ ERR_NUMBER_PARSING,
+ ERR_OUTSIDE_PART,
+ ERR_READ,
+ ERR_SYMLINK_LOOP,
+ ERR_UNRECOGNIZED,
+ ERR_WONT_FIT,
+ ERR_WRITE,
+ ERR_BAD_ARGUMENT,
+ ERR_UNALIGNED,
+ ERR_PRIVILEGED,
+ ERR_DEV_NEED_INIT,
+ ERR_NO_DISK_SPACE,
+ ERR_NUMBER_OVERFLOW,
+
+ MAX_ERR_NUM
+} reiserfs_error_t;
+
+
+extern int reiserfs_set_blk_dev(block_dev_desc_t *rbdd, int part);
+extern int reiserfs_ls (char *dirname);
+extern int reiserfs_open (char *filename);
+extern int reiserfs_read (char *buf, unsigned len);
+extern int reiserfs_mount (unsigned part_length);