| /* |
| * 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) |