blob: e90df22bdc829f8ebee777c2e50e018da5ae63e5 [file] [log] [blame]
/* SPDX-License-Identifier: GPL-2.0-or-later */
/* RomFS internal definitions
* Copyright © 2007 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (
#include <linux/romfs_fs.h>
struct romfs_inode_info {
struct inode vfs_inode;
unsigned long i_metasize; /* size of non-data area */
unsigned long i_dataoffset; /* from the start of fs */
static inline size_t romfs_maxsize(struct super_block *sb)
return (size_t) (unsigned long) sb->s_fs_info;
static inline struct romfs_inode_info *ROMFS_I(struct inode *inode)
return container_of(inode, struct romfs_inode_info, vfs_inode);
* mmap-nommu.c
#if !defined(CONFIG_MMU) && defined(CONFIG_ROMFS_ON_MTD)
extern const struct file_operations romfs_ro_fops;
#define romfs_ro_fops generic_ro_fops
* storage.c
extern int romfs_dev_read(struct super_block *sb, unsigned long pos,
void *buf, size_t buflen);
extern ssize_t romfs_dev_strnlen(struct super_block *sb,
unsigned long pos, size_t maxlen);
extern int romfs_dev_strcmp(struct super_block *sb, unsigned long pos,
const char *str, size_t size);