linux/fs/squashfs/zstd_wrapper.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Squashfs - a compressed read only filesystem for Linux
 *
 * Copyright (c) 2016-present, Facebook, Inc.
 * All rights reserved.
 *
 * zstd_wrapper.c
 */

#include <linux/mutex.h>
#include <linux/bio.h>
#include <linux/slab.h>
#include <linux/zstd.h>
#include <linux/vmalloc.h>

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

struct workspace { … };

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


static void zstd_free(void *strm)
{ … }


static int zstd_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_zstd_comp_ops = …;