qnx4.h 1.3 KB

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  1. #include <linux/fs.h>
  2. #include <linux/qnx4_fs.h>
  3. #define QNX4_DEBUG 0
  4. #if QNX4_DEBUG
  5. #define QNX4DEBUG(X) printk X
  6. #else
  7. #define QNX4DEBUG(X) (void) 0
  8. #endif
  9. struct qnx4_sb_info {
  10. struct buffer_head *sb_buf; /* superblock buffer */
  11. struct qnx4_super_block *sb; /* our superblock */
  12. unsigned int Version; /* may be useful */
  13. struct qnx4_inode_entry *BitMap; /* useful */
  14. };
  15. struct qnx4_inode_info {
  16. struct qnx4_inode_entry raw;
  17. loff_t mmu_private;
  18. struct inode vfs_inode;
  19. };
  20. extern struct inode *qnx4_iget(struct super_block *, unsigned long);
  21. extern struct dentry *qnx4_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd);
  22. extern unsigned long qnx4_count_free_blocks(struct super_block *sb);
  23. extern unsigned long qnx4_block_map(struct inode *inode, long iblock);
  24. extern const struct inode_operations qnx4_dir_inode_operations;
  25. extern const struct file_operations qnx4_dir_operations;
  26. extern int qnx4_is_free(struct super_block *sb, long block);
  27. static inline struct qnx4_sb_info *qnx4_sb(struct super_block *sb)
  28. {
  29. return sb->s_fs_info;
  30. }
  31. static inline struct qnx4_inode_info *qnx4_i(struct inode *inode)
  32. {
  33. return container_of(inode, struct qnx4_inode_info, vfs_inode);
  34. }
  35. static inline struct qnx4_inode_entry *qnx4_raw_inode(struct inode *inode)
  36. {
  37. return &qnx4_i(inode)->raw;
  38. }