Initial commit from Ventoy@7cbdc5c

2026-08-23 00:38:40 -04:00
commit e9a7a16826
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+#ifndef SQUASHFS_FS_SB
+#define SQUASHFS_FS_SB
+/*
+ * Squashfs
+ *
+ * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ * Phillip Lougher <[email protected]>
+ *
+ * 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, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * squashfs_fs_sb.h
+ */
+
+#include "squashfs_fs.h"
+
+struct squashfs_cache_entry {
+	long long		block;
+	int			length;
+	int			locked;
+	long long		next_index;
+	char			pending;
+	char			error;
+	int			waiting;
+	wait_queue_head_t	wait_queue;
+	char			*data;
+};
+
+struct squashfs_cache {
+	char			*name;
+	int			entries;
+	int			block_size;
+	int			next_blk;
+	int			waiting;
+	int			unused;
+	int			use_vmalloc;
+	spinlock_t		lock;
+	wait_queue_head_t	wait_queue;
+	struct squashfs_cache_entry entry[0];
+};
+
+struct squashfs_sb_info {
+	int			devblksize;
+	int			devblksize_log2;
+	struct squashfs_cache	*block_cache;
+	struct squashfs_cache	*fragment_cache;
+	int			next_meta_index;
+	__le64			*id_table;
+	__le64			*fragment_index;
+	unsigned int		*fragment_index_2;
+	char			*read_page;
+	struct mutex		read_data_mutex;
+	struct mutex		read_page_mutex;
+	struct mutex		meta_index_mutex;
+	struct meta_index	*meta_index;
+	z_stream		stream;
+	__le64			*inode_lookup_table;
+	long long		inode_table;
+	long long		directory_table;
+	unsigned int		block_size;
+	unsigned short		block_log;
+	long long		bytes_used;
+	unsigned int		inodes;
+};
+#endif