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/*
* JFFS2 -- Journalling Flash File System, Version 2.
*
* Copyright © 2007 Nokia Corporation. All rights reserved.
* Copyright © 2004-2010 David Woodhouse <dwmw2@infradead.org>
*
* Created by Richard Purdie <rpurdie@openedhand.com>
*
* For licensing information, see the file 'LICENCE' in this directory.
*
*/
#include <common.h>
#include <lzo.h>
#include <linux/kernel.h>
#include "compr.h"
static int jffs2_lzo_decompress(unsigned char *data_in, unsigned char *cpage_out,
uint32_t srclen, uint32_t destlen)
{
size_t dl = destlen;
int ret;
ret = lzo1x_decompress_safe(data_in, srclen, cpage_out, &dl);
if (ret != LZO_E_OK || dl != destlen)
return -1;
return 0;
}
static struct jffs2_compressor jffs2_lzo_comp = {
.priority = JFFS2_LZO_PRIORITY,
.name = "lzo",
.compr = JFFS2_COMPR_LZO,
.decompress = &jffs2_lzo_decompress,
.disabled = 0,
};
int __init jffs2_lzo_init(void)
{
int ret;
ret = jffs2_register_compressor(&jffs2_lzo_comp);
return ret;
}
void jffs2_lzo_exit(void)
{
jffs2_unregister_compressor(&jffs2_lzo_comp);
}
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