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 #ifdef HAVE_WINSOCK_H
  11 #include <winsock.h>
  12 #else
  13 #include <arpa/inet.h>
  14 #endif
  15 #include <stdbool.h>
  16
  17 #define printk printf
  18 #define KERN_ERR ""
  19 #define KERN_DEBUG ""
  20
  21 #define REQ_OP_READ 0
  22 #define REQ_OP_WRITE 1
  23
  24 #define cpu_to_le16(x)  ext2fs_cpu_to_le16(x)
  25 #define cpu_to_be16(x)  ext2fs_cpu_to_be16(x)
  26 #define cpu_to_le32(x)  ext2fs_cpu_to_le32(x)
  27 #define cpu_to_be32(x)  ext2fs_cpu_to_be32(x)
  28 #define cpu_to_le64(x)  ext2fs_cpu_to_le64(x)
  29 #define cpu_to_be64(x)  ext2fs_cpu_to_be64(x)
  30
  31 #define le16_to_cpu(x)  ext2fs_le16_to_cpu(x)
  32 #define be16_to_cpu(x)  ext2fs_be16_to_cpu(x)
  33 #define le32_to_cpu(x)  ext2fs_le32_to_cpu(x)
  34 #define be32_to_cpu(x)  ext2fs_be32_to_cpu(x)
  35 #define le64_to_cpu(x)  ext2fs_le64_to_cpu(x)
  36 #define be64_to_cpu(x)  ext2fs_be64_to_cpu(x)
  37
  38 typedef unsigned int tid_t;
  39 typedef struct journal_s journal_t;
  40 typedef struct kdev_s *kdev_t;
  41
  42 struct buffer_head;
  43 struct inode;
  44
  45 typedef unsigned int gfp_t;
  46 #define GFP_KERNEL      0
  47 #define GFP_NOFS        0
  48 #define __GFP_NOFAIL    0
  49 #define JBD2_TAG_SIZE32 JBD_TAG_SIZE32
  50 #define JBD2_BARRIER    0
  51 typedef __u64 u64;
  52 #define put_bh(x)       brelse(x)
  53
  54 static inline __u32 jbd2_chksum(journal_t *j EXT2FS_ATTR((unused)),
  55                                 __u32 crc, const void *address,
  56                                 unsigned int length)
  57 {
  58         return ext2fs_crc32c_le(crc, address, length);
  59 }
  60 #define crc32_be(x, y, z)       ext2fs_crc32_be((x), (y), (z))
  61 #define spin_lock_init(x)
  62 #define spin_lock(x)
  63 #define spin_unlock(x)
  64 #define SLAB_HWCACHE_ALIGN      0
  65 #define SLAB_TEMPORARY          0
  66 #define KMEM_CACHE(__struct, __flags) kmem_cache_create(#__struct,\
  67                 sizeof(struct __struct), __alignof__(struct __struct),\
  68                 (__flags), NULL)
  69
  70 #define blkdev_issue_flush(kdev, a)     sync_blockdev(kdev)
  71 #define is_power_of_2(x)        ((x) != 0 && (((x) & ((x) - 1)) == 0))
  72 #define pr_emerg(fmt)
  73 #define pr_err(...)
  74
  75 enum passtype {PASS_SCAN, PASS_REVOKE, PASS_REPLAY};
  76
  77 #define JBD2_FC_REPLAY_STOP             0
  78 #define JBD2_FC_REPLAY_CONTINUE         1
  79
  80 struct journal_s
  81 {
  82         unsigned long           j_flags;
  83         int                     j_errno;
  84         struct buffer_head *    j_sb_buffer;
  85         struct journal_superblock_s *j_superblock;
  86         int                     j_format_version;
  87         unsigned long           j_head;
  88         unsigned long           j_tail;
  89         unsigned long           j_fc_first;
  90         unsigned long           j_fc_off;
  91         unsigned long           j_fc_last;
  92         unsigned long           j_free;
  93         unsigned long           j_first, j_last;
  94         kdev_t                  j_dev;
  95         kdev_t                  j_fs_dev;
  96         int                     j_blocksize;
  97         unsigned int            j_blk_offset;
  98         unsigned int            j_total_len;
  99         struct inode *          j_inode;
 100         tid_t                   j_tail_sequence;
 101         tid_t                   j_transaction_sequence;
 102         __u8                    j_uuid[16];
 103         struct jbd2_revoke_table_s *j_revoke;
 104         struct jbd2_revoke_table_s *j_revoke_table[2];
 105         tid_t                   j_failed_commit;
 106         __u32                   j_csum_seed;
 107         int (*j_fc_replay_callback)(struct journal_s *journal,
 108                                     struct buffer_head *bh,
 109                                     enum passtype pass, int off,
 110                                     tid_t expected_tid);
 111
 112 };
 113
 114 #define is_journal_abort(x) 0
 115
 116 #define BUFFER_TRACE(bh, info)  do {} while (0)
 117
 118 /* Need this so we can compile with configure --enable-gcc-wall */
 119 #ifdef NO_INLINE_FUNCS
 120 #define inline
 121 #endif
 122
 123 #endif /* _JFS_COMPAT_H */