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Linux/fs/qnx4/qnx4.h

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  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 }
 47 

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