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diff --git a/hostTools/squashfs/squashfs_fs_sb.h b/hostTools/squashfs/squashfs_fs_sb.h
new file mode 100755
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+++ b/hostTools/squashfs/squashfs_fs_sb.h
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+#ifndef SQUASHFS_FS_SB
+#define SQUASHFS_FS_SB
+/*
+ * Squashfs
+ *
+ * Copyright (c) 2002, 2003, 2004 Phillip Lougher <plougher@users.sourceforge.net>
+ *
+ * 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,
+ * 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * squashfs_fs_sb.h
+ */
+
+#include <linux/squashfs_fs.h>
+
+typedef struct {
+	unsigned int	block;
+	int		length;
+	unsigned int	next_index;
+	char		*data;
+	} squashfs_cache;
+
+struct squashfs_fragment_cache {
+	unsigned int	block;
+	int		length;
+	unsigned int	locked;
+	char		*data;
+	};
+
+typedef struct squashfs_sb_info {
+	squashfs_super_block	sBlk;
+	int			devblksize;
+	int			devblksize_log2;
+	int			swap;
+	squashfs_cache		*block_cache;
+	struct squashfs_fragment_cache	*fragment;
+	int			next_cache;
+	int			next_fragment;
+	squashfs_uid		*uid;
+	squashfs_uid		*guid;
+	squashfs_fragment_index		*fragment_index;
+	unsigned int		read_size;
+	char			*read_data;
+	char			*read_page;
+	struct semaphore	read_page_mutex;
+	struct semaphore	block_cache_mutex;
+	struct semaphore	fragment_mutex;
+	wait_queue_head_t	waitq;
+	wait_queue_head_t	fragment_wait_queue;
+	struct inode		*(*iget)(struct super_block *s, squashfs_inode inode);
+	unsigned int		(*read_blocklist)(struct inode *inode, int index, int readahead_blks,
+					char *block_list, char **block_p, unsigned int *bsize);
+	} squashfs_sb_info;
+#endif