// SPDX-License-Identifier: GPL-2.0
/*
* f2fs sysfs interface
*
* Copyright (c) 2012 Samsung Electronics Co., Ltd.
* http://www.samsung.com/
* Copyright (c) 2017 Chao Yu <chao@kernel.org>
*/
#include <linux/compiler.h>
#include <linux/proc_fs.h>
#include <linux/f2fs_fs.h>
#include <linux/seq_file.h>
#include <linux/unicode.h>
#include <linux/ioprio.h>
#include <linux/sysfs.h>
#include "f2fs.h"
#include "segment.h"
#include "gc.h"
#include "iostat.h"
#include <trace/events/f2fs.h>
static struct proc_dir_entry *f2fs_proc_root;
/* Sysfs support for f2fs */
enum {
GC_THREAD, /* struct f2fs_gc_thread */
SM_INFO, /* struct f2fs_sm_info */
DCC_INFO, /* struct discard_cmd_control */
NM_INFO, /* struct f2fs_nm_info */
F2FS_SBI, /* struct f2fs_sb_info */
#ifdef CONFIG_F2FS_STAT_FS
STAT_INFO, /* struct f2fs_stat_info */
#endif
#ifdef CONFIG_F2FS_FAULT_INJECTION
FAULT_INFO_RATE, /* struct f2fs_fault_info */
FAULT_INFO_TYPE, /* struct f2fs_fault_info */
#endif
RESERVED_BLOCKS, /* struct f2fs_sb_info */
CPRC_INFO, /* struct ckpt_req_control */
ATGC_INFO, /* struct atgc_management */
};
static const char *gc_mode_names[MAX_GC_MODE] = {
"GC_NORMAL",
"GC_IDLE_CB",
"GC_IDLE_GREEDY",
"GC_IDLE_AT",
"GC_URGENT_HIGH",
"GC_URGENT_LOW",
"GC_UR
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