/* SPDX-License-Identifier: GPL-2.0-or-later */#ifndef DECOMPRESSOR_H#define DECOMPRESSOR_H/* * Squashfs - a compressed read only filesystem for Linux * * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 * Phillip Lougher <phillip@squashfs.org.uk> * * decompressor.h */ #include <linux/bio.h> struct squashfs_decompressor {	void	*(*init)(struct squashfs_sb_info *, void *);	void	*(*comp_opts)(struct squashfs_sb_info *, void *, int);	void	(*free)(void *);	int	(*decompress)(struct squashfs_sb_info *, void *,		struct bio *, int, int, struct squashfs_page_actor *);	int	id;	char	*name;	int	alloc_buffer;	int	supported;}; static inline void *squashfs_comp_opts(struct squashfs_sb_info *msblk,							void *buff, int length){	return msblk->decompressor->comp_opts ?		msblk->decompressor->comp_opts(msblk, buff, length) : NULL;} #ifdef CONFIG_SQUASHFS_XZextern const struct squashfs_decompressor squashfs_xz_comp_ops;#endif #ifdef CONFIG_SQUASHFS_LZ4extern const struct squashfs_decompressor squashfs_lz4_comp_ops;#endif #ifdef CONFIG_SQUASHFS_LZOextern const struct squashfs_decompressor squashfs_lzo_comp_ops;#endif #ifdef CONFIG_SQUASHFS_ZLIBextern const struct squashfs_decompressor squashfs_zlib_comp_ops;#endif #ifdef CONFIG_SQUASHFS_ZSTDextern const struct squashfs_decompressor squashfs_zstd_comp_ops;#endif #endif