linux/fs/erofs/sysfs.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright (C), 2008-2021, OPPO Mobile Comm Corp., Ltd.
 *             https://www.oppo.com/
 */
#include <linux/sysfs.h>
#include <linux/kobject.h>

#include "internal.h"

enum { … };

enum { … };

struct erofs_attr { … };

#define EROFS_ATTR(_name, _mode, _id) …
#define EROFS_ATTR_FUNC(_name, _mode) …
#define EROFS_ATTR_FEATURE(_name) …

#define EROFS_ATTR_OFFSET(_name, _mode, _id, _struct) …

#define EROFS_ATTR_RW(_name, _id, _struct) …

#define EROFS_RO_ATTR(_name, _id, _struct) …

#define EROFS_ATTR_RW_UI(_name, _struct) …

#define EROFS_ATTR_RW_BOOL(_name, _struct) …

#define ATTR_LIST(name) …

#ifdef CONFIG_EROFS_FS_ZIP
EROFS_ATTR_RW_UI(…);
#endif

static struct attribute *erofs_attrs[] = …;
ATTRIBUTE_GROUPS(…);

/* Features this copy of erofs supports */
EROFS_ATTR_FEATURE(…);
EROFS_ATTR_FEATURE(…);
EROFS_ATTR_FEATURE(…);
EROFS_ATTR_FEATURE(…);
EROFS_ATTR_FEATURE(…);
EROFS_ATTR_FEATURE(…);
EROFS_ATTR_FEATURE(…);
EROFS_ATTR_FEATURE(…);
EROFS_ATTR_FEATURE(…);
EROFS_ATTR_FEATURE(…);

static struct attribute *erofs_feat_attrs[] = …;
ATTRIBUTE_GROUPS(…);

static unsigned char *__struct_ptr(struct erofs_sb_info *sbi,
					  int struct_type, int offset)
{ … }

static ssize_t erofs_attr_show(struct kobject *kobj,
				struct attribute *attr, char *buf)
{ … }

static ssize_t erofs_attr_store(struct kobject *kobj, struct attribute *attr,
						const char *buf, size_t len)
{ … }

static void erofs_sb_release(struct kobject *kobj)
{ … }

static const struct sysfs_ops erofs_attr_ops = …;

static const struct kobj_type erofs_sb_ktype = …;

static const struct kobj_type erofs_ktype = …;

static struct kset erofs_root = …;

static const struct kobj_type erofs_feat_ktype = …;

static struct kobject erofs_feat = …;

int erofs_register_sysfs(struct super_block *sb)
{ … }

void erofs_unregister_sysfs(struct super_block *sb)
{ … }

int __init erofs_init_sysfs(void)
{ … }

void erofs_exit_sysfs(void)
{ … }