linux/drivers/mtd/mtdsuper.c

// SPDX-License-Identifier: GPL-2.0-or-later
/* MTD-based superblock management
 *
 * Copyright © 2001-2007 Red Hat, Inc. All Rights Reserved.
 * Copyright © 2001-2010 David Woodhouse <[email protected]>
 *
 * Written by:  David Howells <[email protected]>
 *              David Woodhouse <[email protected]>
 */

#include <linux/mtd/super.h>
#include <linux/namei.h>
#include <linux/export.h>
#include <linux/ctype.h>
#include <linux/slab.h>
#include <linux/major.h>
#include <linux/backing-dev.h>
#include <linux/blkdev.h>
#include <linux/fs_context.h>
#include "mtdcore.h"

/*
 * get a superblock on an MTD-backed filesystem
 */
static int mtd_get_sb(struct fs_context *fc,
		      struct mtd_info *mtd,
		      int (*fill_super)(struct super_block *,
					struct fs_context *))
{ … }

/*
 * get a superblock on an MTD-backed filesystem by MTD device number
 */
static int mtd_get_sb_by_nr(struct fs_context *fc, int mtdnr,
			    int (*fill_super)(struct super_block *,
					      struct fs_context *))
{ … }

/**
 * get_tree_mtd - Get a superblock based on a single MTD device
 * @fc: The filesystem context holding the parameters
 * @fill_super: Helper to initialise a new superblock
 */
int get_tree_mtd(struct fs_context *fc,
	      int (*fill_super)(struct super_block *sb,
				struct fs_context *fc))
{ … }
EXPORT_SYMBOL_GPL(…);

/*
 * destroy an MTD-based superblock
 */
void kill_mtd_super(struct super_block *sb)
{ … }

EXPORT_SYMBOL_GPL(…);