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 qnx4_sb(struct super_block * sb)33static inline struct qnx4_sb_info *qnx4_sb(struct super_block *sb) 34 { 35 return sb->s_fs_info; 36 } 37 qnx4_i(struct inode * inode)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 qnx4_raw_inode(struct inode * inode)43static inline struct qnx4_inode_entry *qnx4_raw_inode(struct inode *inode) 44 { 45 return &qnx4_i(inode)->raw; 46 } 47