linux/fs/efivarfs/inode.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Copyright (C) 2012 Red Hat, Inc.
 * Copyright (C) 2012 Jeremy Kerr <[email protected]>
 */

#include <linux/efi.h>
#include <linux/fs.h>
#include <linux/ctype.h>
#include <linux/kmemleak.h>
#include <linux/slab.h>
#include <linux/uuid.h>
#include <linux/fileattr.h>

#include "internal.h"

static const struct inode_operations efivarfs_file_inode_operations;

struct inode *efivarfs_get_inode(struct super_block *sb,
				const struct inode *dir, int mode,
				dev_t dev, bool is_removable)
{ … }

/*
 * Return true if 'str' is a valid efivarfs filename of the form,
 *
 *	VariableName-12345678-1234-1234-1234-1234567891bc
 */
bool efivarfs_valid_name(const char *str, int len)
{ … }

static int efivarfs_create(struct mnt_idmap *idmap, struct inode *dir,
			   struct dentry *dentry, umode_t mode, bool excl)
{ … }

static int efivarfs_unlink(struct inode *dir, struct dentry *dentry)
{
	struct efivar_entry *var = d_inode(dentry)->i_private;

	if (efivar_entry_delete(var))
		return -EINVAL;

	drop_nlink(d_inode(dentry));
	dput(dentry);
	return 0;
};

const struct inode_operations efivarfs_dir_inode_operations = …;

static int
efivarfs_fileattr_get(struct dentry *dentry, struct fileattr *fa)
{ … }

static int
efivarfs_fileattr_set(struct mnt_idmap *idmap,
		      struct dentry *dentry, struct fileattr *fa)
{ … }

static const struct inode_operations efivarfs_file_inode_operations = …;