Release 4.7 drivers/block/zram/zcomp_lzo.c
/*
* Copyright (C) 2014 Sergey Senozhatsky.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
*/
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/lzo.h>
#include <linux/vmalloc.h>
#include <linux/mm.h>
#include "zcomp_lzo.h"
static void *lzo_create(gfp_t flags)
{
void *ret;
ret = kmalloc(LZO1X_MEM_COMPRESS, flags);
if (!ret)
ret = __vmalloc(LZO1X_MEM_COMPRESS,
flags | __GFP_HIGHMEM,
PAGE_KERNEL);
return ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| kyeongdon kim | kyeongdon kim | 26 | 59.09% | 1 | 25.00% |
| sergey senozhatsky | sergey senozhatsky | 14 | 31.82% | 2 | 50.00% |
| minchan kim | minchan kim | 4 | 9.09% | 1 | 25.00% |
| Total | 44 | 100.00% | 4 | 100.00% |
static void lzo_destroy(void *private)
{
kvfree(private);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| sergey senozhatsky | sergey senozhatsky | 14 | 93.33% | 1 | 50.00% |
| kyeongdon kim | kyeongdon kim | 1 | 6.67% | 1 | 50.00% |
| Total | 15 | 100.00% | 2 | 100.00% |
static int lzo_compress(const unsigned char *src, unsigned char *dst,
size_t *dst_len, void *private)
{
int ret = lzo1x_1_compress(src, PAGE_SIZE, dst, dst_len, private);
return ret == LZO_E_OK ? 0 : ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| sergey senozhatsky | sergey senozhatsky | 50 | 100.00% | 1 | 100.00% |
| Total | 50 | 100.00% | 1 | 100.00% |
static int lzo_decompress(const unsigned char *src, size_t src_len,
unsigned char *dst)
{
size_t dst_len = PAGE_SIZE;
int ret = lzo1x_decompress_safe(src, src_len, dst, &dst_len);
return ret == LZO_E_OK ? 0 : ret;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| sergey senozhatsky | sergey senozhatsky | 49 | 100.00% | 1 | 100.00% |
| Total | 49 | 100.00% | 1 | 100.00% |
struct zcomp_backend zcomp_lzo = {
.compress = lzo_compress,
.decompress = lzo_decompress,
.create = lzo_create,
.destroy = lzo_destroy,
.name = "lzo",
};
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| sergey senozhatsky | sergey senozhatsky | 171 | 82.21% | 2 | 50.00% |
| kyeongdon kim | kyeongdon kim | 33 | 15.87% | 1 | 25.00% |
| minchan kim | minchan kim | 4 | 1.92% | 1 | 25.00% |
| Total | 208 | 100.00% | 4 | 100.00% |
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