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Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001/* SPDX-License-Identifier: GPL-2.0 */
Al Viro964f5362009-06-07 09:47:13 -04002#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 {
Al Viro964f5362009-06-07 09:47:13 -040014 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);
Al Viro00cd8dd2012-06-10 17:13:09 -040025extern struct dentry *qnx4_lookup(struct inode *dir, struct dentry *dentry, unsigned int flags);
Al Viro964f5362009-06-07 09:47:13 -040026extern unsigned long qnx4_count_free_blocks(struct super_block *sb);
27extern unsigned long qnx4_block_map(struct inode *inode, long iblock);
28
Al Viro964f5362009-06-07 09:47:13 -040029extern const struct inode_operations qnx4_dir_inode_operations;
Al Viro964f5362009-06-07 09:47:13 -040030extern const struct file_operations qnx4_dir_operations;
31extern int qnx4_is_free(struct super_block *sb, long block);
Al Viro964f5362009-06-07 09:47:13 -040032
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}