mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-11 13:56:30 +00:00
50ce4c07df
The 512 byte block size was hard coded in the ext4 file systems. Large harddisks today support bigger block sizes typically 4096 bytes. This patch removes this limitation. Signed-off-by: Egbert Eich <eich@suse.com>
90 lines
3.1 KiB
C
90 lines
3.1 KiB
C
/*
|
|
* (C) Copyright 2011 - 2012 Samsung Electronics
|
|
* EXT4 filesystem implementation in Uboot by
|
|
* Uma Shankar <uma.shankar@samsung.com>
|
|
* Manjunatha C Achar <a.manjunatha@samsung.com>
|
|
*
|
|
* ext4ls and ext4load : based on ext2 ls load support in Uboot.
|
|
*
|
|
* (C) Copyright 2004
|
|
* esd gmbh <www.esd-electronics.com>
|
|
* Reinhard Arlt <reinhard.arlt@esd-electronics.com>
|
|
*
|
|
* based on code from grub2 fs/ext2.c and fs/fshelp.c by
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
|
|
*
|
|
* ext4write : Based on generic ext4 protocol.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
*/
|
|
|
|
#ifndef __EXT4_COMMON__
|
|
#define __EXT4_COMMON__
|
|
#include <ext_common.h>
|
|
#include <ext4fs.h>
|
|
#include <malloc.h>
|
|
#include <asm/errno.h>
|
|
#if defined(CONFIG_EXT4_WRITE)
|
|
#include "ext4_journal.h"
|
|
#include "crc16.h"
|
|
#endif
|
|
|
|
#define YES 1
|
|
#define NO 0
|
|
#define RECOVER 1
|
|
#define SCAN 0
|
|
|
|
#define S_IFLNK 0120000 /* symbolic link */
|
|
#define BLOCK_NO_ONE 1
|
|
#define SUPERBLOCK_START (2 * 512)
|
|
#define SUPERBLOCK_SIZE 1024
|
|
#define F_FILE 1
|
|
|
|
static inline void *zalloc(size_t size)
|
|
{
|
|
void *p = memalign(ARCH_DMA_MINALIGN, size);
|
|
memset(p, 0, size);
|
|
return p;
|
|
}
|
|
|
|
int ext4fs_read_inode(struct ext2_data *data, int ino,
|
|
struct ext2_inode *inode);
|
|
int ext4fs_read_file(struct ext2fs_node *node, int pos,
|
|
unsigned int len, char *buf);
|
|
int ext4fs_find_file(const char *path, struct ext2fs_node *rootnode,
|
|
struct ext2fs_node **foundnode, int expecttype);
|
|
int ext4fs_iterate_dir(struct ext2fs_node *dir, char *name,
|
|
struct ext2fs_node **fnode, int *ftype);
|
|
|
|
#if defined(CONFIG_EXT4_WRITE)
|
|
uint32_t ext4fs_div_roundup(uint32_t size, uint32_t n);
|
|
int ext4fs_checksum_update(unsigned int i);
|
|
int ext4fs_get_parent_inode_num(const char *dirname, char *dname, int flags);
|
|
void ext4fs_update_parent_dentry(char *filename, int *p_ino, int file_type);
|
|
long int ext4fs_get_new_blk_no(void);
|
|
int ext4fs_get_new_inode_no(void);
|
|
void ext4fs_reset_block_bmap(long int blockno, unsigned char *buffer,
|
|
int index);
|
|
int ext4fs_set_block_bmap(long int blockno, unsigned char *buffer, int index);
|
|
int ext4fs_set_inode_bmap(int inode_no, unsigned char *buffer, int index);
|
|
void ext4fs_reset_inode_bmap(int inode_no, unsigned char *buffer, int index);
|
|
int ext4fs_iget(int inode_no, struct ext2_inode *inode);
|
|
void ext4fs_allocate_blocks(struct ext2_inode *file_inode,
|
|
unsigned int total_remaining_blocks,
|
|
unsigned int *total_no_of_block);
|
|
void put_ext4(uint64_t off, void *buf, uint32_t size);
|
|
#endif
|
|
#endif
|