linux/fs/erofs/decompressor_zstd.c

// SPDX-License-Identifier: GPL-2.0-or-later
#include <linux/zstd.h>
#include "compress.h"

struct z_erofs_zstd { … };

static DEFINE_SPINLOCK(z_erofs_zstd_lock);
static unsigned int z_erofs_zstd_max_dictsize;
static unsigned int z_erofs_zstd_nstrms, z_erofs_zstd_avail_strms;
static struct z_erofs_zstd *z_erofs_zstd_head;
static DECLARE_WAIT_QUEUE_HEAD(z_erofs_zstd_wq);

module_param_named(zstd_streams, z_erofs_zstd_nstrms, uint, 0444);

static struct z_erofs_zstd *z_erofs_isolate_strms(bool all)
{ … }

static void z_erofs_zstd_exit(void)
{ … }

static int __init z_erofs_zstd_init(void)
{ … }

static int z_erofs_load_zstd_config(struct super_block *sb,
			struct erofs_super_block *dsb, void *data, int size)
{ … }

static int z_erofs_zstd_decompress(struct z_erofs_decompress_req *rq,
				   struct page **pgpl)
{ … }

const struct z_erofs_decompressor z_erofs_zstd_decomp = …;