1 files changed, 118 insertions, 0 deletions
diff --git a/btrfsck.h b/btrfsck.h
new file mode 100644
index 00000000..37ac1303
--- /dev/null
+++ b/btrfsck.h
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2013 Fujitsu.  All rights reserved.
+ * Written by Miao Xie <miaox@cn.fujitsu.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public
+ * License v2 as published by the Free Software Foundation.
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 021110-1307, USA.
+ */
+
+#ifndef __CHUNK_CHECK_H__
+#define __CHUNK_CHECK_H__
+
+#if BTRFS_FLAT_INCLUDES
+#include "kerncompat.h"
+#include "extent-cache.h"
+#include "list.h"
+#else
+#include <btrfs/kerncompat.h>
+#include <btrfs/extent-cache.h>
+#include <btrfs/list.h>
+#endif /* BTRFS_FLAT_INCLUDES */
+
+struct block_group_record {
+	struct cache_extent cache;
+	/* Used to identify the orphan block groups */
+	struct list_head list;
+
+	u64 objectid;
+	u8  type;
+	u64 offset;
+
+	u64 flags;
+};
+
+struct block_group_tree {
+	struct cache_tree tree;
+	struct list_head block_groups;
+};
+
+struct device_record {
+	struct rb_node node;
+	u64 devid;
+
+	u64 objectid;
+	u8  type;
+	u64 offset;
+
+	u64 total_byte;
+	u64 byte_used;
+
+	u64 real_used;
+};
+
+struct stripe {
+	u64 devid;
+	u64 offset;
+};
+
+struct chunk_record {
+	struct cache_extent cache;
+
+	u64 objectid;
+	u8  type;
+	u64 offset;
+
+	u64 length;
+	u64 type_flags;
+	u16 num_stripes;
+	u16 sub_stripes;
+	struct stripe stripes[0];
+};
+
+struct device_extent_record {
+	struct cache_extent cache;
+	/*
+	 * Used to identify the orphan device extents (the device extents
+	 * don't belong to a chunk or a device)
+	 */
+	struct list_head chunk_list;
+	struct list_head device_list;
+
+	u64 objectid;
+	u8  type;
+	u64 offset;
+
+	u64 chunk_objecteid;
+	u64 chunk_offset;
+	u64 length;
+};
+
+struct device_extent_tree {
+	struct cache_tree tree;
+	/*
+	 * The idea is:
+	 * When checking the chunk information, we move the device extents
+	 * that has its chunk to the chunk's device extents list. After the
+	 * check, if there are still some device extents in no_chunk_orphans,
+	 * it means there are some device extents which don't belong to any
+	 * chunk.
+	 *
+	 * The usage of no_device_orphans is the same as the first one, but it
+	 * is for the device information check.
+	 */
+	struct list_head no_chunk_orphans;
+	struct list_head no_device_orphans;
+};
+
+#endif