2 * Compatibility header file for e2fsck which should be included
3 * instead of linux/jfs.h
5 * Copyright (C) 2000 Stephen C. Tweedie
7 * This file may be redistributed under the terms of the
8 * GNU General Public License version 2 or at your discretion
17 #if EXT2_FLAT_INCLUDES
22 #include "ext2fs/ext2_fs.h"
23 #include "ext2fs/ext2fs.h"
24 #include "blkid/blkid.h"
28 * Pull in the definition of the e2fsck context structure
41 unsigned long long b_blocknr;
55 struct ext2_inode i_ext2;
68 #define K_DEV_JOURNAL 2
70 typedef struct kdev_s *kdev_t;
72 #define lock_buffer(bh) do {} while (0)
73 #define unlock_buffer(bh) do {} while (0)
74 #define buffer_req(bh) 1
75 #define do_readahead(journal, start) do {} while (0)
81 #define kmem_cache_alloc(cache, flags) malloc((cache)->object_length)
82 #define kmem_cache_free(cache, obj) free(obj)
83 #define kmem_cache_create(name, len, a, b, c) do_cache_create(len)
84 #define kmem_cache_destroy(cache) do_cache_destroy(cache)
85 #define kmalloc(len, flags) malloc(len)
86 #define kfree(p) free(p)
88 #define cond_resched() do { } while (0)
90 typedef unsigned int __be32;
96 * Now pull in the real linux/jfs.h definitions.
98 #include <ext2fs/kernel-jbd.h>
101 * We use the standard libext2fs portability tricks for inline
104 #ifdef NO_INLINE_FUNCS
105 extern lkmem_cache_t *do_cache_create(int len);
106 extern void do_cache_destroy(lkmem_cache_t *cache);
107 extern size_t journal_tag_bytes(journal_t *journal);
110 #if (defined(E2FSCK_INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS))
111 #ifdef E2FSCK_INCLUDE_INLINE_FUNCS
112 #if (__STDC_VERSION__ >= 199901L)
113 #define _INLINE_ extern inline
115 #define _INLINE_ inline
117 #else /* !E2FSCK_INCLUDE_INLINE FUNCS */
118 #if (__STDC_VERSION__ >= 199901L)
119 #define _INLINE_ inline
122 #define _INLINE_ extern __inline__
123 #else /* For Watcom C */
124 #define _INLINE_ extern inline
125 #endif /* __GNUC__ */
126 #endif /* __STDC_VERSION__ >= 199901L */
127 #endif /* E2FSCK_INCLUDE_INLINE_FUNCS */
130 _INLINE_ lkmem_cache_t *do_cache_create(int len)
132 lkmem_cache_t *new_cache;
134 new_cache = malloc(sizeof(*new_cache));
136 new_cache->object_length = len;
140 _INLINE_ void do_cache_destroy(lkmem_cache_t *cache)
149 * Kernel compatibility functions are defined in journal.c
151 int journal_bmap(journal_t *journal, blk64_t block, unsigned long long *phys);
152 struct buffer_head *getblk(kdev_t ctx, blk64_t blocknr, int blocksize);
153 int sync_blockdev(kdev_t kdev);
154 void ll_rw_block(int rw, int dummy, struct buffer_head *bh[]);
155 void mark_buffer_dirty(struct buffer_head *bh);
156 void mark_buffer_uptodate(struct buffer_head *bh, int val);
157 void brelse(struct buffer_head *bh);
158 int buffer_uptodate(struct buffer_head *bh);
159 void wait_on_buffer(struct buffer_head *bh);
162 * Define newer 2.5 interfaces
164 #define __getblk(dev, blocknr, blocksize) getblk(dev, blocknr, blocksize)
165 #define set_buffer_uptodate(bh) mark_buffer_uptodate(bh, 1)
170 #define J_ASSERT(x) assert(x)
172 #define JSB_HAS_INCOMPAT_FEATURE(jsb, mask) \
173 ((jsb)->s_header.h_blocktype == ext2fs_cpu_to_be32(JFS_SUPERBLOCK_V2) && \
174 ((jsb)->s_feature_incompat & ext2fs_cpu_to_be32((mask))))
175 static inline size_t journal_super_tag_bytes(journal_superblock_t *jsb)
179 if (JSB_HAS_INCOMPAT_FEATURE(jsb, JFS_FEATURE_INCOMPAT_CSUM_V3))
180 return sizeof(journal_block_tag3_t);
182 sz = sizeof(journal_block_tag_t);
184 if (JSB_HAS_INCOMPAT_FEATURE(jsb, JFS_FEATURE_INCOMPAT_CSUM_V2))
187 if (JSB_HAS_INCOMPAT_FEATURE(jsb, JFS_FEATURE_INCOMPAT_64BIT))
190 return sz - sizeof(__u32);
194 extern e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */
196 #define J_ASSERT(assert) \
197 do { if (!(assert)) { \
198 printf ("Assertion failure in %s() at %s line %d: " \
200 __FUNCTION__, __FILE__, __LINE__, # assert); \
201 fatal_error(e2fsck_global_ctx, 0); \
206 #endif /* _JFS_USER_H */