lib/ext2fs/jfs_compat.h

   1
   2 #ifndef _JFS_COMPAT_H
   3 #define _JFS_COMPAT_H
   4
   5 #include "kernel-list.h"
   6 #include <errno.h>
   7 #ifdef HAVE_NETINET_IN_H
   8 #include <netinet/in.h>
   9 #endif
  10 #include <arpa/inet.h>
  11
  12 #define printk printf
  13 #define KERN_ERR ""
  14 #define KERN_DEBUG ""
  15
  16 #define READ 0
  17 #define WRITE 1
  18
  19 #define cpu_to_be32(n) htonl(n)
  20 #define be32_to_cpu(n) ntohl(n)
  21 #define cpu_to_be16(n) htons(n)
  22 #define be16_to_cpu(n) ntohs(n)
  23
  24 typedef unsigned int tid_t;
  25 typedef struct journal_s journal_t;
  26 typedef struct kdev_s *kdev_t;
  27
  28 struct buffer_head;
  29 struct inode;
  30
  31 #define GFP_KERNEL      0
  32 #define JFS_TAG_SIZE32  JBD_TAG_SIZE32
  33 #define JFS_BARRIER     0
  34 typedef __u64 u64;
  35 #define JFS_CRC32_CHKSUM        JBD2_CRC32_CHKSUM
  36 #define JFS_CRC32_CHKSUM_SIZE   JBD2_CRC32_CHKSUM_SIZE
  37 #define put_bh(x)       brelse(x)
  38 #define be64_to_cpu(x)  ext2fs_be64_to_cpu(x)
  39
  40 static inline __u32 jbd2_chksum(journal_t *j EXT2FS_ATTR((unused)),
  41                                 __u32 crc, const void *address,
  42                                 unsigned int length)
  43 {
  44         return ext2fs_crc32c_le(crc, address, length);
  45 }
  46 #define crc32_be(x, y, z)       ext2fs_crc32_be((x), (y), (z))
  47 #define spin_lock_init(x)
  48 #define spin_lock(x)
  49 #define spin_unlock(x)
  50 #define yield()
  51 #define SLAB_HWCACHE_ALIGN      0
  52 #define SLAB_TEMPORARY          0
  53 #define KMEM_CACHE(__struct, __flags) kmem_cache_create(#__struct,\
  54                 sizeof(struct __struct), __alignof__(struct __struct),\
  55                 (__flags), NULL)
  56
  57 #define blkdev_issue_flush(kdev, a, b)  sync_blockdev(kdev)
  58 #define is_power_of_2(x)        ((x) != 0 && (((x) & ((x) - 1)) == 0))
  59
  60 struct journal_s
  61 {
  62         unsigned long           j_flags;
  63         int                     j_errno;
  64         struct buffer_head *    j_sb_buffer;
  65         struct journal_superblock_s *j_superblock;
  66         int                     j_format_version;
  67         unsigned long           j_head;
  68         unsigned long           j_tail;
  69         unsigned long           j_free;
  70         unsigned long           j_first, j_last;
  71         kdev_t                  j_dev;
  72         kdev_t                  j_fs_dev;
  73         int                     j_blocksize;
  74         unsigned int            j_blk_offset;
  75         unsigned int            j_maxlen;
  76         struct inode *          j_inode;
  77         tid_t                   j_tail_sequence;
  78         tid_t                   j_transaction_sequence;
  79         __u8                    j_uuid[16];
  80         struct jbd2_revoke_table_s *j_revoke;
  81         struct jbd2_revoke_table_s *j_revoke_table[2];
  82         tid_t                   j_failed_commit;
  83         __u32                   j_csum_seed;
  84 };
  85
  86 #define J_ASSERT(assert)                                                \
  87         do { if (!(assert)) {                                           \
  88                 printf ("Assertion failure in %s() at %s line %d: "     \
  89                         "\"%s\"\n",                                     \
  90                         __FUNCTION__, __FILE__, __LINE__, # assert);    \
  91                 fatal_error(e2fsck_global_ctx, 0);                      \
  92         } } while (0)
  93
  94 #define is_journal_abort(x) 0
  95
  96 #define BUFFER_TRACE(bh, info)  do {} while (0)
  97
  98 /* Need this so we can compile with configure --enable-gcc-wall */
  99 #ifdef NO_INLINE_FUNCS
 100 #define inline
 101 #endif
 102
 103 #endif /* _JFS_COMPAT_H */