reactos/drivers/filesystems/ext2/inc/linux/ext4_jbd2.h

   1 #ifndef _EXT4_JBD2_H
   2 #define _EXT4_JBD2_H
   3
   4 /*
   5  * Wrapper functions with which ext4 calls into JBD.
   6  */
   7 void ext4_journal_abort_handle(const char *caller, unsigned int line,
   8                                const char *err_fn, struct buffer_head *bh,
   9                                handle_t *handle, int err);
  10
  11 int __ext4_handle_dirty_super(const char *where, unsigned int line,
  12                               handle_t *handle, struct super_block *sb);
  13
  14 int __ext4_journal_get_write_access(const char *where, unsigned int line,
  15                                     void *icb, handle_t *handle, struct buffer_head *bh);
  16
  17 int __ext4_forget(const char *where, unsigned int line, void *icb, handle_t *handle,
  18                   int is_metadata, struct inode *inode,
  19                   struct buffer_head *bh, ext4_fsblk_t blocknr);
  20
  21 int __ext4_journal_get_create_access(const char *where, unsigned int line,
  22                                 void *icb, handle_t *handle, struct buffer_head *bh);
  23
  24 int __ext4_handle_dirty_metadata(const char *where, unsigned int line,
  25                                  void *icb, handle_t *handle, struct inode *inode,
  26                                  struct buffer_head *bh);
  27
  28 #define ext4_journal_get_write_access(handle, icb, bh) \
  29         __ext4_journal_get_write_access("", __LINE__, (icb), (handle), (bh))
  30 #define ext4_forget(handle, icb, is_metadata, inode, bh, block_nr) \
  31         __ext4_forget("", __LINE__, (icb), (handle), (is_metadata), (inode), \
  32                       (bh), (block_nr))
  33 #define ext4_journal_get_create_access(handle, icb, bh) \
  34         __ext4_journal_get_create_access("", __LINE__, (icb), (handle), (bh))
  35 #define ext4_handle_dirty_metadata(handle, icb, inode, bh) \
  36         __ext4_handle_dirty_metadata("", __LINE__, (icb), (handle), (inode), \
  37                                      (bh))
  38
  39 handle_t *__ext4_journal_start_sb(void *icb, struct super_block *sb, unsigned int line,
  40                                   int type, int blocks, int rsv_blocks);
  41 int __ext4_journal_stop(const char *where, unsigned int line, void *icb, handle_t *handle);
  42
  43 #define ext4_journal_start_sb(icb, sb, type, nblocks)                   \
  44         __ext4_journal_start_sb((icb), (sb), __LINE__, (type), (nblocks), 0)
  45
  46 #define ext4_journal_start(icb, inode, type, nblocks)                   \
  47         __ext4_journal_start((icb), (inode), __LINE__, (type), (nblocks), 0)
  48
  49 static inline handle_t *__ext4_journal_start(void *icb, struct inode *inode,
  50                                              unsigned int line, int type,
  51                                              int blocks, int rsv_blocks)
  52 {
  53         return __ext4_journal_start_sb(icb, inode->i_sb, line, type, blocks,
  54                                        rsv_blocks);
  55 }
  56
  57 #define ext4_journal_stop(icb, handle) \
  58         __ext4_journal_stop("", __LINE__, (icb), (handle))
  59
  60 static inline int ext4_journal_extend(void *icb, handle_t *handle, int nblocks)
  61 {
  62         return 0;
  63 }
  64
  65 #endif