linux/fs/squashfs/xz_wrapper.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Squashfs - a compressed read only filesystem for Linux
 *
 * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
 * Phillip Lougher <[email protected]>
 *
 * xz_wrapper.c
 */


#include <linux/mutex.h>
#include <linux/bio.h>
#include <linux/slab.h>
#include <linux/xz.h>
#include <linux/bitops.h>

#include "squashfs_fs.h"
#include "squashfs_fs_sb.h"
#include "squashfs.h"
#include "decompressor.h"
#include "page_actor.h"

struct squashfs_xz { … };

struct disk_comp_opts { … };

struct comp_opts { … };

static void *squashfs_xz_comp_opts(struct squashfs_sb_info *msblk,
	void *buff, int len)
{ … }


static void *squashfs_xz_init(struct squashfs_sb_info *msblk, void *buff)
{ … }


static void squashfs_xz_free(void *strm)
{ … }


static int squashfs_xz_uncompress(struct squashfs_sb_info *msblk, void *strm,
	struct bio *bio, int offset, int length,
	struct squashfs_page_actor *output)
{ … }

const struct squashfs_decompressor squashfs_xz_comp_ops = …;