1/* 2 * Compatibility header file for e2fsck which should be included 3 * instead of linux/jfs.h 4 * 5 * Copyright (C) 2000 Stephen C. Tweedie 6 * 7 * This file may be redistributed under the terms of the 8 * GNU General Public License version 2 or at your discretion 9 * any later version. 10 */ 11#ifndef _JFS_USER_H 12#define _JFS_USER_H 13 14#ifdef DEBUGFS 15#include <stdio.h> 16#include <stdlib.h> 17#if EXT2_FLAT_INCLUDES 18#include "ext2_fs.h" 19#include "ext2fs.h" 20#include "blkid.h" 21#else 22#include "ext2fs/ext2_fs.h" 23#include "ext2fs/ext2fs.h" 24#include "blkid/blkid.h" 25#endif 26#else 27/* 28 * Pull in the definition of the e2fsck context structure 29 */ 30#include "e2fsck.h" 31#endif 32 33struct buffer_head { 34#ifdef DEBUGFS 35 ext2_filsys b_fs; 36#else 37 e2fsck_t b_ctx; 38#endif 39 io_channel b_io; 40 int b_size; 41 int b_err; 42 unsigned int b_dirty:1; 43 unsigned int b_uptodate:1; 44 unsigned long long b_blocknr; 45 char b_data[1024]; 46}; 47 48struct inode { 49#ifdef DEBUGFS 50 ext2_filsys i_fs; 51#else 52 e2fsck_t i_ctx; 53#endif 54 ext2_ino_t i_ino; 55 struct ext2_inode i_ext2; 56}; 57 58struct kdev_s { 59#ifdef DEBUGFS 60 ext2_filsys k_fs; 61#else 62 e2fsck_t k_ctx; 63#endif 64 int k_dev; 65}; 66 67#define K_DEV_FS 1 68#define K_DEV_JOURNAL 2 69 70#define lock_buffer(bh) do {} while (0) 71#define unlock_buffer(bh) do {} while (0) 72#define buffer_req(bh) 1 73#define do_readahead(journal, start) do {} while (0) 74 75typedef struct { 76 int object_length; 77} lkmem_cache_t; 78 79#define kmem_cache_alloc(cache, flags) malloc((cache)->object_length) 80#define kmem_cache_free(cache, obj) free(obj) 81#define kmem_cache_create(name, len, a, b, c) do_cache_create(len) 82#define kmem_cache_destroy(cache) do_cache_destroy(cache) 83#define kmalloc(len, flags) malloc(len) 84#define kfree(p) free(p) 85 86#define cond_resched() do { } while (0) 87 88#define __init 89 90/* 91 * Now pull in the real linux/jfs.h definitions. 92 */ 93#include <ext2fs/kernel-jbd.h> 94 95/* 96 * We use the standard libext2fs portability tricks for inline 97 * functions. 98 */ 99#ifdef NO_INLINE_FUNCS 100extern lkmem_cache_t *do_cache_create(int len); 101extern void do_cache_destroy(lkmem_cache_t *cache); 102extern size_t journal_tag_bytes(journal_t *journal); 103#endif 104 105#if (defined(E2FSCK_INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS)) 106#ifdef E2FSCK_INCLUDE_INLINE_FUNCS 107#if (__STDC_VERSION__ >= 199901L) 108#define _INLINE_ extern inline 109#else 110#define _INLINE_ inline 111#endif 112#else /* !E2FSCK_INCLUDE_INLINE FUNCS */ 113#if (__STDC_VERSION__ >= 199901L) 114#define _INLINE_ inline 115#else /* not C99 */ 116#ifdef __GNUC__ 117#define _INLINE_ extern __inline__ 118#else /* For Watcom C */ 119#define _INLINE_ extern inline 120#endif /* __GNUC__ */ 121#endif /* __STDC_VERSION__ >= 199901L */ 122#endif /* E2FSCK_INCLUDE_INLINE_FUNCS */ 123 124 125_INLINE_ lkmem_cache_t *do_cache_create(int len) 126{ 127 lkmem_cache_t *new_cache; 128 129 new_cache = malloc(sizeof(*new_cache)); 130 if (new_cache) 131 new_cache->object_length = len; 132 return new_cache; 133} 134 135_INLINE_ void do_cache_destroy(lkmem_cache_t *cache) 136{ 137 free(cache); 138} 139 140#undef _INLINE_ 141#endif 142 143/* 144 * Kernel compatibility functions are defined in journal.c 145 */ 146int journal_bmap(journal_t *journal, blk64_t block, unsigned long long *phys); 147struct buffer_head *getblk(kdev_t ctx, blk64_t blocknr, int blocksize); 148int sync_blockdev(kdev_t kdev); 149void ll_rw_block(int rw, int dummy, struct buffer_head *bh[]); 150void mark_buffer_dirty(struct buffer_head *bh); 151void mark_buffer_uptodate(struct buffer_head *bh, int val); 152void brelse(struct buffer_head *bh); 153int buffer_uptodate(struct buffer_head *bh); 154void wait_on_buffer(struct buffer_head *bh); 155 156/* 157 * Define newer 2.5 interfaces 158 */ 159#define __getblk(dev, blocknr, blocksize) getblk(dev, blocknr, blocksize) 160#define set_buffer_uptodate(bh) mark_buffer_uptodate(bh, 1) 161 162#ifdef DEBUGFS 163#include <assert.h> 164#undef J_ASSERT 165#define J_ASSERT(x) assert(x) 166 167#define JSB_HAS_INCOMPAT_FEATURE(jsb, mask) \ 168 ((jsb)->s_header.h_blocktype == ext2fs_cpu_to_be32(JFS_SUPERBLOCK_V2) && \ 169 ((jsb)->s_feature_incompat & ext2fs_cpu_to_be32((mask)))) 170#else /* !DEBUGFS */ 171 172extern e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */ 173 174#define J_ASSERT(assert) \ 175 do { if (!(assert)) { \ 176 printf ("Assertion failure in %s() at %s line %d: " \ 177 "\"%s\"\n", \ 178 __FUNCTION__, __FILE__, __LINE__, # assert); \ 179 fatal_error(e2fsck_global_ctx, 0); \ 180 } } while (0) 181 182#endif /* DEBUGFS */ 183 184#ifndef EFSBADCRC 185#define EFSBADCRC EXT2_ET_BAD_CRC 186#endif 187#ifndef EFSCORRUPTED 188#define EFSCORRUPTED EXT2_ET_FILESYSTEM_CORRUPTED 189#endif 190 191/* recovery.c */ 192extern int journal_recover (journal_t *journal); 193extern int journal_skip_recovery (journal_t *); 194 195/* revoke.c */ 196extern int journal_init_revoke(journal_t *, int); 197extern void journal_destroy_revoke(journal_t *); 198extern void journal_destroy_revoke_caches(void); 199extern int journal_init_revoke_caches(void); 200 201extern int journal_set_revoke(journal_t *, unsigned long long, tid_t); 202extern int journal_test_revoke(journal_t *, unsigned long long, tid_t); 203extern void journal_clear_revoke(journal_t *); 204 205#endif /* _JFS_USER_H */ 206