blob: 9efc089454f6de3059c93ba501daaf6a55e5fa56 [file] [log] [blame]
Al Viro964f5362009-06-07 09:47:13 -04001#include <linux/fs.h>
2#include <linux/qnx4_fs.h>
3
4#define QNX4_DEBUG 0
5
6#if QNX4_DEBUG
7#define QNX4DEBUG(X) printk X
8#else
9#define QNX4DEBUG(X) (void) 0
10#endif
11
12struct qnx4_sb_info {
13 struct buffer_head *sb_buf; /* superblock buffer */
14 struct qnx4_super_block *sb; /* our superblock */
15 unsigned int Version; /* may be useful */
16 struct qnx4_inode_entry *BitMap; /* useful */
17};
18
19struct qnx4_inode_info {
20 struct qnx4_inode_entry raw;
21 loff_t mmu_private;
22 struct inode vfs_inode;
23};
24
25extern struct inode *qnx4_iget(struct super_block *, unsigned long);
26extern struct dentry *qnx4_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd);
27extern unsigned long qnx4_count_free_blocks(struct super_block *sb);
28extern unsigned long qnx4_block_map(struct inode *inode, long iblock);
29
30extern struct buffer_head *qnx4_bread(struct inode *, int, int);
31
32extern const struct inode_operations qnx4_file_inode_operations;
33extern const struct inode_operations qnx4_dir_inode_operations;
34extern const struct file_operations qnx4_file_operations;
35extern const struct file_operations qnx4_dir_operations;
36extern int qnx4_is_free(struct super_block *sb, long block);
37extern int qnx4_set_bitmap(struct super_block *sb, long block, int busy);
38extern int qnx4_create(struct inode *inode, struct dentry *dentry, int mode, struct nameidata *nd);
39extern void qnx4_truncate(struct inode *inode);
40extern void qnx4_free_inode(struct inode *inode);
41extern int qnx4_unlink(struct inode *dir, struct dentry *dentry);
42extern int qnx4_rmdir(struct inode *dir, struct dentry *dentry);
43
44static inline struct qnx4_sb_info *qnx4_sb(struct super_block *sb)
45{
46 return sb->s_fs_info;
47}
48
49static inline struct qnx4_inode_info *qnx4_i(struct inode *inode)
50{
51 return container_of(inode, struct qnx4_inode_info, vfs_inode);
52}
53
54static inline struct qnx4_inode_entry *qnx4_raw_inode(struct inode *inode)
55{
56 return &qnx4_i(inode)->raw;
57}