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
  13 struct qnx4_sb_info {
  14         unsigned int            Version;        /* may be useful */
  15         struct qnx4_inode_entry *BitMap;        /* useful */
  16 };
  17
  18 struct qnx4_inode_info {
  19         struct qnx4_inode_entry raw;
  20         loff_t mmu_private;
  21         struct inode vfs_inode;
  22 };
  23
  24 extern struct inode *qnx4_iget(struct super_block *, unsigned long);
  25 extern struct dentry *qnx4_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags);
  26 extern unsigned long qnx4_count_free_blocks(struct super_block *sb);
  27 extern unsigned long qnx4_block_map(struct inode *inode, long iblock);
  28
  29 extern const struct inode_operations qnx4_dir_inode_operations;
  30 extern const struct file_operations qnx4_dir_operations;
  31 extern int qnx4_is_free(struct super_block *sb, long block);
  32
  33 static inline struct qnx4_sb_info *qnx4_sb(struct super_block *sb)
  34 {
  35         return sb->s_fs_info;
  36 }
  37
  38 static inline struct qnx4_inode_info *qnx4_i(struct inode *inode)
  39 {
  40         return container_of(inode, struct qnx4_inode_info, vfs_inode);
  41 }
  42
  43 static inline struct qnx4_inode_entry *qnx4_raw_inode(struct inode *inode)
  44 {
  45         return &qnx4_i(inode)->raw;
  46 }