Mike Frysinger | 51a43b4 | 2005-09-24 07:11:16 +0000 | [diff] [blame] | 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 | |
| 12 | /* |
| 13 | * Pull in the definition of the e2fsck context structure |
| 14 | */ |
| 15 | #include "e2fsck.h" |
| 16 | |
| 17 | struct buffer_head { |
| 18 | char b_data[8192]; |
| 19 | e2fsck_t b_ctx; |
| 20 | io_channel b_io; |
| 21 | int b_size; |
| 22 | blk_t b_blocknr; |
| 23 | int b_dirty; |
| 24 | int b_uptodate; |
| 25 | int b_err; |
| 26 | }; |
| 27 | |
| 28 | struct inode { |
| 29 | e2fsck_t i_ctx; |
| 30 | ext2_ino_t i_ino; |
| 31 | struct ext2_inode i_ext2; |
| 32 | }; |
| 33 | |
| 34 | struct kdev_s { |
| 35 | e2fsck_t k_ctx; |
| 36 | int k_dev; |
| 37 | }; |
| 38 | |
| 39 | #define K_DEV_FS 1 |
| 40 | #define K_DEV_JOURNAL 2 |
| 41 | |
| 42 | typedef struct kdev_s *kdev_t; |
| 43 | |
| 44 | #define lock_buffer(bh) do {} while(0) |
| 45 | #define unlock_buffer(bh) do {} while(0) |
| 46 | #define buffer_req(bh) 1 |
| 47 | #define do_readahead(journal, start) do {} while(0) |
| 48 | |
| 49 | extern e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */ |
| 50 | |
| 51 | typedef struct { |
| 52 | int object_length; |
| 53 | } kmem_cache_t; |
| 54 | |
| 55 | #define kmem_cache_alloc(cache,flags) malloc((cache)->object_length) |
| 56 | #define kmem_cache_free(cache,obj) free(obj) |
| 57 | #define kmem_cache_create(name,len,a,b,c,d) do_cache_create(len) |
| 58 | #define kmem_cache_destroy(cache) do_cache_destroy(cache) |
| 59 | #define kmalloc(len,flags) malloc(len) |
| 60 | #define kfree(p) free(p) |
| 61 | |
| 62 | /* |
| 63 | * We use the standard libext2fs portability tricks for inline |
| 64 | * functions. |
| 65 | */ |
| 66 | extern kmem_cache_t * do_cache_create(int len); |
| 67 | extern void do_cache_destroy(kmem_cache_t *cache); |
| 68 | |
| 69 | #if (defined(E2FSCK_INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS)) |
| 70 | #ifdef E2FSCK_INCLUDE_INLINE_FUNCS |
| 71 | #define _INLINE_ extern |
| 72 | #else |
| 73 | #ifdef __GNUC__ |
| 74 | #define _INLINE_ extern __inline__ |
| 75 | #else /* For Watcom C */ |
| 76 | #define _INLINE_ extern inline |
| 77 | #endif |
| 78 | #endif |
| 79 | |
| 80 | _INLINE_ kmem_cache_t * do_cache_create(int len) |
| 81 | { |
| 82 | kmem_cache_t *new_cache; |
| 83 | new_cache = malloc(sizeof(*new_cache)); |
| 84 | if (new_cache) |
| 85 | new_cache->object_length = len; |
| 86 | return new_cache; |
| 87 | } |
| 88 | |
| 89 | _INLINE_ void do_cache_destroy(kmem_cache_t *cache) |
| 90 | { |
| 91 | free(cache); |
| 92 | } |
| 93 | #undef _INLINE_ |
| 94 | #endif |
| 95 | |
| 96 | #define __init |
| 97 | |
| 98 | /* |
| 99 | * Now pull in the real linux/jfs.h definitions. |
| 100 | */ |
| 101 | #include <ext2fs/kernel-jbd.h> |
| 102 | |
| 103 | /* |
| 104 | * Kernel compatibility functions are defined in journal.c |
| 105 | */ |
| 106 | int journal_bmap(journal_t *journal, blk_t block, unsigned long *phys); |
| 107 | struct buffer_head *getblk(kdev_t ctx, blk_t blocknr, int blocksize); |
| 108 | void sync_blockdev(kdev_t kdev); |
| 109 | void ll_rw_block(int rw, int dummy, struct buffer_head *bh[]); |
| 110 | void mark_buffer_dirty(struct buffer_head *bh); |
| 111 | void mark_buffer_uptodate(struct buffer_head *bh, int val); |
| 112 | void brelse(struct buffer_head *bh); |
| 113 | int buffer_uptodate(struct buffer_head *bh); |
| 114 | void wait_on_buffer(struct buffer_head *bh); |
| 115 | |
| 116 | /* |
| 117 | * Define newer 2.5 interfaces |
| 118 | */ |
| 119 | #define __getblk(dev, blocknr, blocksize) getblk(dev, blocknr, blocksize) |
| 120 | #define set_buffer_uptodate(bh) mark_buffer_uptodate(bh, 1) |