54 строки
1.3 KiB
C
54 строки
1.3 KiB
C
/* 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 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_XZ
|
|
extern const struct squashfs_decompressor squashfs_xz_comp_ops;
|
|
#endif
|
|
|
|
#ifdef CONFIG_SQUASHFS_LZ4
|
|
extern const struct squashfs_decompressor squashfs_lz4_comp_ops;
|
|
#endif
|
|
|
|
#ifdef CONFIG_SQUASHFS_LZO
|
|
extern const struct squashfs_decompressor squashfs_lzo_comp_ops;
|
|
#endif
|
|
|
|
#ifdef CONFIG_SQUASHFS_ZLIB
|
|
extern const struct squashfs_decompressor squashfs_zlib_comp_ops;
|
|
#endif
|
|
|
|
#ifdef CONFIG_SQUASHFS_ZSTD
|
|
extern const struct squashfs_decompressor squashfs_zstd_comp_ops;
|
|
#endif
|
|
|
|
#endif
|