release/src-rt-6.x.4708/linux/linux-2.6.36/fs/qnx4/qnx4.h

   1 #include <linux/fs.h>
   2 #include <linux/qnx4_fs.h>
   3
   4 #define QNX4_DEBUG 0
   5
   6 #if QNX4_DEBUG
   7 #define QNX4DEBUG(X) printk X
   8 #else
   9 #define QNX4DEBUG(X) (void) 0
  10 #endif
  11
  12 struct qnx4_sb_info {
  13         struct buffer_head      *sb_buf;        /* superblock buffer */
  14         struct qnx4_super_block *sb;            /* our superblock */
  15         unsigned int            Version;        /* may be useful */
  16         struct qnx4_inode_entry *BitMap;        /* useful */
  17 };
  18
  19 struct qnx4_inode_info {
  20         struct qnx4_inode_entry raw;
  21         loff_t mmu_private;
  22         struct inode vfs_inode;
  23 };
  24
  25 extern struct inode *qnx4_iget(struct super_block *, unsigned long);
  26 extern struct dentry *qnx4_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd);
  27 extern unsigned long qnx4_count_free_blocks(struct super_block *sb);
  28 extern unsigned long qnx4_block_map(struct inode *inode, long iblock);
  29
  30 extern struct buffer_head *qnx4_bread(struct inode *, int, int);
  31
  32 extern const struct inode_operations qnx4_dir_inode_operations;
  33 extern const struct file_operations qnx4_dir_operations;
  34 extern int qnx4_is_free(struct super_block *sb, long block);
  35
  36 static inline struct qnx4_sb_info *qnx4_sb(struct super_block *sb)
  37 {
  38         return sb->s_fs_info;
  39 }
  40
  41 static inline struct qnx4_inode_info *qnx4_i(struct inode *inode)
  42 {
  43         return container_of(inode, struct qnx4_inode_info, vfs_inode);
  44 }
  45
  46 static inline struct qnx4_inode_entry *qnx4_raw_inode(struct inode *inode)
  47 {
  48         return &qnx4_i(inode)->raw;
  49 }