LXR linux/fs/qnx4/qnx4.h

   1/* SPDX-License-Identifier: GPL-2.0 */
   2#include <linux/fs.h>
   3#include <linux/qnx4_fs.h>
   4
   5#define QNX4_DEBUG 0
   6
   7#if QNX4_DEBUG
   8#define QNX4DEBUG(X) printk X
   9#else
  10#define QNX4DEBUG(X) (void) 0
  11#endif
  12
  13struct qnx4_sb_info {
  14        unsigned int            Version;        /* may be useful */
  15        struct qnx4_inode_entry *BitMap;        /* useful */
  16};
  17
  18struct qnx4_inode_info {
  19        struct qnx4_inode_entry raw;
  20        loff_t mmu_private;
  21        struct inode vfs_inode;
  22};
  23
  24extern struct inode *qnx4_iget(struct super_block *, unsigned long);
  25extern struct dentry *qnx4_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags);
  26extern unsigned long qnx4_count_free_blocks(struct super_block *sb);
  27extern unsigned long qnx4_block_map(struct inode *inode, long iblock);
  28
  29extern const struct inode_operations qnx4_dir_inode_operations;
  30extern const struct file_operations qnx4_dir_operations;
  31extern int qnx4_is_free(struct super_block *sb, long block);
  32
  33static inline struct qnx4_sb_info *qnx4_sb(struct super_block *sb)
  34{
  35        return sb->s_fs_info;
  36}
  37
  38static inline struct qnx4_inode_info *qnx4_i(struct inode *inode)
  39{
  40        return container_of(inode, struct qnx4_inode_info, vfs_inode);
  41}
  42
  43static inline struct qnx4_inode_entry *qnx4_raw_inode(struct inode *inode)
  44{
  45        return &qnx4_i(inode)->raw;
  46}
  47