linux/fs/sysfs/dir.c

// SPDX-License-Identifier: GPL-2.0
/*
 * fs/sysfs/dir.c - sysfs core and dir operation implementation
 *
 * Copyright (c) 2001-3 Patrick Mochel
 * Copyright (c) 2007 SUSE Linux Products GmbH
 * Copyright (c) 2007 Tejun Heo <[email protected]>
 *
 * Please see Documentation/filesystems/sysfs.rst for more information.
 */

#define pr_fmt(fmt) …

#include <linux/fs.h>
#include <linux/kobject.h>
#include <linux/slab.h>
#include "sysfs.h"

DEFINE_SPINLOCK(…);

void sysfs_warn_dup(struct kernfs_node *parent, const char *name)
{ … }

/**
 * sysfs_create_dir_ns - create a directory for an object with a namespace tag
 * @kobj: object we're creating directory for
 * @ns: the namespace tag to use
 */
int sysfs_create_dir_ns(struct kobject *kobj, const void *ns)
{ … }

/**
 *	sysfs_remove_dir - remove an object's directory.
 *	@kobj:	object.
 *
 *	The only thing special about this is that we remove any files in
 *	the directory before we remove the directory, and we've inlined
 *	what used to be sysfs_rmdir() below, instead of calling separately.
 */
void sysfs_remove_dir(struct kobject *kobj)
{ … }

int sysfs_rename_dir_ns(struct kobject *kobj, const char *new_name,
			const void *new_ns)
{ … }

int sysfs_move_dir_ns(struct kobject *kobj, struct kobject *new_parent_kobj,
		      const void *new_ns)
{ … }

/**
 * sysfs_create_mount_point - create an always empty directory
 * @parent_kobj:  kobject that will contain this always empty directory
 * @name: The name of the always empty directory to add
 */
int sysfs_create_mount_point(struct kobject *parent_kobj, const char *name)
{ … }
EXPORT_SYMBOL_GPL(…);

/**
 *	sysfs_remove_mount_point - remove an always empty directory.
 *	@parent_kobj: kobject that will contain this always empty directory
 *	@name: The name of the always empty directory to remove
 *
 */
void sysfs_remove_mount_point(struct kobject *parent_kobj, const char *name)
{ … }
EXPORT_SYMBOL_GPL(…);