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/*
* Compatibility header file for e2fsck which should be included
* instead of linux/jfs.h
*
* Copyright (C) 2000 Stephen C. Tweedie
*
* This file may be redistributed under the terms of the
* GNU General Public License version 2 or at your discretion
* any later version.
*/
/*
* Pull in the definition of the e2fsck context structure
*/
#include "e2fsck.h"
struct buffer_head {
e2fsck_t b_ctx;
io_channel b_io;
int b_size;
blk_t b_blocknr;
int b_dirty;
int b_uptodate;
int b_err;
char b_data[1024];
};
struct inode {
e2fsck_t i_ctx;
ext2_ino_t i_ino;
struct ext2_inode i_ext2;
};
struct kdev_s {
e2fsck_t k_ctx;
int k_dev;
};
#define K_DEV_FS 1
#define K_DEV_JOURNAL 2
typedef struct kdev_s *kdev_t;
#define lock_buffer(bh) do {} while(0)
#define unlock_buffer(bh) do {} while(0)
#define buffer_req(bh) 1
#define do_readahead(journal, start) do {} while(0)
extern e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */
typedef struct {
int object_length;
} lkmem_cache_t;
#define kmem_cache_alloc(cache,flags) malloc((cache)->object_length)
#define kmem_cache_free(cache,obj) free(obj)
#define kmem_cache_create(name,len,a,b,c,d) do_cache_create(len)
#define kmem_cache_destroy(cache) do_cache_destroy(cache)
#define kmalloc(len,flags) malloc(len)
#define kfree(p) free(p)
#define cond_resched() do { } while (0)
typedef unsigned int __be32;
typedef __u64 __be64;
#define __init
/*
* Now pull in the real linux/jfs.h definitions.
*/
#include <ext2fs/kernel-jbd.h>
/*
* We use the standard libext2fs portability tricks for inline
* functions.
*/
extern lkmem_cache_t * do_cache_create(int len);
extern void do_cache_destroy(lkmem_cache_t *cache);
extern size_t journal_tag_bytes(journal_t *journal);
#if (defined(E2FSCK_INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS))
#ifdef E2FSCK_INCLUDE_INLINE_FUNCS
#define _INLINE_ extern
#else
#ifdef __GNUC__
#define _INLINE_ extern __inline__
#else /* For Watcom C */
#define _INLINE_ extern inline
#endif
#endif
_INLINE_ lkmem_cache_t * do_cache_create(int len)
{
lkmem_cache_t *new_cache;
new_cache = malloc(sizeof(*new_cache));
if (new_cache)
new_cache->object_length = len;
return new_cache;
}
_INLINE_ void do_cache_destroy(lkmem_cache_t *cache)
{
free(cache);
}
/*
* helper functions to deal with 32 or 64bit block numbers.
*/
_INLINE_ size_t journal_tag_bytes(journal_t *journal)
{
if (JFS_HAS_INCOMPAT_FEATURE(journal, JFS_FEATURE_INCOMPAT_64BIT))
return JBD_TAG_SIZE64;
else
return JBD_TAG_SIZE32;
}
#undef _INLINE_
#endif
/*
* Kernel compatibility functions are defined in journal.c
*/
int journal_bmap(journal_t *journal, blk64_t block, unsigned long *phys);
struct buffer_head *getblk(kdev_t ctx, blk64_t blocknr, int blocksize);
void sync_blockdev(kdev_t kdev);
void ll_rw_block(int rw, int dummy, struct buffer_head *bh[]);
void mark_buffer_dirty(struct buffer_head *bh);
void mark_buffer_uptodate(struct buffer_head *bh, int val);
void brelse(struct buffer_head *bh);
int buffer_uptodate(struct buffer_head *bh);
void wait_on_buffer(struct buffer_head *bh);
/*
* Define newer 2.5 interfaces
*/
#define __getblk(dev, blocknr, blocksize) getblk(dev, blocknr, blocksize)
#define set_buffer_uptodate(bh) mark_buffer_uptodate(bh, 1)
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