linux/fs/hpfs/map.c

// SPDX-License-Identifier: GPL-2.0
/*
 *  linux/fs/hpfs/map.c
 *
 *  Mikulas Patocka ([email protected]), 1998-1999
 *
 *  mapping structures to memory with some minimal checks
 */

#include "hpfs_fn.h"

__le32 *hpfs_map_dnode_bitmap(struct super_block *s, struct quad_buffer_head *qbh)
{ … }

__le32 *hpfs_map_bitmap(struct super_block *s, unsigned bmp_block,
			 struct quad_buffer_head *qbh, char *id)
{ … }

void hpfs_prefetch_bitmap(struct super_block *s, unsigned bmp_block)
{ … }

/*
 * Load first code page into kernel memory, return pointer to 256-byte array,
 * first 128 bytes are uppercasing table for chars 128-255, next 128 bytes are
 * lowercasing table
 */

unsigned char *hpfs_load_code_page(struct super_block *s, secno cps)
{ … }

__le32 *hpfs_load_bitmap_directory(struct super_block *s, secno bmp)
{ … }

void hpfs_load_hotfix_map(struct super_block *s, struct hpfs_spare_block *spareblock)
{ … }

/*
 * Load fnode to memory
 */

struct fnode *hpfs_map_fnode(struct super_block *s, ino_t ino, struct buffer_head **bhp)
{ … }

struct anode *hpfs_map_anode(struct super_block *s, anode_secno ano, struct buffer_head **bhp)
{ … }

/*
 * Load dnode to memory and do some checks
 */

struct dnode *hpfs_map_dnode(struct super_block *s, unsigned secno,
			     struct quad_buffer_head *qbh)
{ … }

dnode_secno hpfs_fnode_dno(struct super_block *s, ino_t ino)
{ … }