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crypto: add parameters to control zstd compress level [1/1]

Browse Source 
PD#SWPL-57667

Problem:
ZSTD compress level is fixed

Solution:
add module parameters to control it. By default, set
compress level to 1

Verify:
t5d am311

Signed-off-by: Tao Zeng <tao.zeng@amlogic.com>
Change-Id: I4c80eb8cd591c8a2197c7781e8afe589f121ffd7
This commit is contained in:
Tao Zeng
2021-08-09 22:31:54 +08:00
committed by Dongjin Kim
parent 2b75b11030
commit b7d364ea0e
1 changed files with 12 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

13
crypto/zstd.c
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@@ -12,10 +12,14 @@
#include <linux/net.h>
#include <linux/vmalloc.h>
#include <linux/zstd.h>
#include <linux/sched/clock.h>
#include <crypto/internal/scompress.h>
#ifdef CONFIG_AMLOGIC_MEMORY_OPT
static int zstd_def_level = 1;
#else
#define ZSTD_DEF_LEVEL 3
#endif
struct zstd_ctx {
ZSTD_CCtx *cctx;
@@ -26,7 +30,11 @@ struct zstd_ctx {
static ZSTD_parameters zstd_params(void)
{
#ifdef CONFIG_AMLOGIC_MEMORY_OPT
return ZSTD_getParams(zstd_def_level, 0, 0);
#else
return ZSTD_getParams(ZSTD_DEF_LEVEL, 0, 0);
#endif
}
static int zstd_comp_init(struct zstd_ctx *ctx)
@@ -252,6 +260,9 @@ static void __exit zstd_mod_fini(void)
subsys_initcall(zstd_mod_init);
module_exit(zstd_mod_fini);
#ifdef CONFIG_AMLOGIC_MEMORY_OPT
module_param_named(zstd_level, zstd_def_level, int, 0644);
#endif
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("Zstd Compression Algorithm");