31 static struct dentry *hypfs_create_update_file(struct dentry *dir);
36 	struct dentry *update_file;	/* file to trigger update */
46 static struct dentry *hypfs_last_dentry;
59 static void hypfs_add_dentry(struct dentry *dentry)  in hypfs_add_dentry()  argument
61 	dentry->d_fsdata = hypfs_last_dentry;  in hypfs_add_dentry()
62 	hypfs_last_dentry = dentry;  in hypfs_add_dentry()
65 static inline int hypfs_positive(struct dentry *dentry)  in hypfs_positive()  argument
67 	return d_really_is_positive(dentry) && !d_unhashed(dentry);  in hypfs_positive()
70 static void hypfs_remove(struct dentry *dentry)  in hypfs_remove()  argument
72 	struct dentry *parent;  in hypfs_remove()
74 	parent = dentry->d_parent;  in hypfs_remove()
76 	if (hypfs_positive(dentry)) {  in hypfs_remove()
77 		if (d_is_dir(dentry))  in hypfs_remove()
78 			simple_rmdir(d_inode(parent), dentry);  in hypfs_remove()
80 			simple_unlink(d_inode(parent), dentry);  in hypfs_remove()
82 	d_delete(dentry);  in hypfs_remove()
83 	dput(dentry);  in hypfs_remove()
87 static void hypfs_delete_tree(struct dentry *root)  in hypfs_delete_tree()
90 		struct dentry *next_dentry;  in hypfs_delete_tree()
263 static int hypfs_show_options(struct seq_file *s, struct dentry *root)  in hypfs_show_options()
275 	struct dentry *root_dentry;  in hypfs_fill_super()
314 static struct dentry *hypfs_mount(struct file_system_type *fst, int flags,  in hypfs_mount()
333 static struct dentry *hypfs_create_file(struct dentry *parent, const char *name,  in hypfs_create_file()
336 	struct dentry *dentry;  in hypfs_create_file()  local
340 	dentry = lookup_one_len(name, parent, strlen(name));  in hypfs_create_file()
341 	if (IS_ERR(dentry)) {  in hypfs_create_file()
342 		dentry = ERR_PTR(-ENOMEM);  in hypfs_create_file()
347 		dput(dentry);  in hypfs_create_file()
348 		dentry = ERR_PTR(-ENOMEM);  in hypfs_create_file()
364 	d_instantiate(dentry, inode);  in hypfs_create_file()
365 	dget(dentry);  in hypfs_create_file()
368 	return dentry;  in hypfs_create_file()
371 struct dentry *hypfs_mkdir(struct dentry *parent, const char *name)  in hypfs_mkdir()
373 	struct dentry *dentry;  in hypfs_mkdir()  local
375 	dentry = hypfs_create_file(parent, name, NULL, S_IFDIR | DIR_MODE);  in hypfs_mkdir()
376 	if (IS_ERR(dentry))  in hypfs_mkdir()
377 		return dentry;  in hypfs_mkdir()
378 	hypfs_add_dentry(dentry);  in hypfs_mkdir()
379 	return dentry;  in hypfs_mkdir()
382 static struct dentry *hypfs_create_update_file(struct dentry *dir)  in hypfs_create_update_file()
384 	struct dentry *dentry;  in hypfs_create_update_file()  local
386 	dentry = hypfs_create_file(dir, "update", NULL,  in hypfs_create_update_file()
393 	return dentry;  in hypfs_create_update_file()
396 struct dentry *hypfs_create_u64(struct dentry *dir,  in hypfs_create_u64()
401 	struct dentry *dentry;  in hypfs_create_u64()  local
407 	dentry =  in hypfs_create_u64()
409 	if (IS_ERR(dentry)) {  in hypfs_create_u64()
413 	hypfs_add_dentry(dentry);  in hypfs_create_u64()
414 	return dentry;  in hypfs_create_u64()
417 struct dentry *hypfs_create_str(struct dentry *dir,  in hypfs_create_str()
421 	struct dentry *dentry;  in hypfs_create_str()  local
427 	dentry =  in hypfs_create_str()
429 	if (IS_ERR(dentry)) {  in hypfs_create_str()
433 	hypfs_add_dentry(dentry);  in hypfs_create_str()
434 	return dentry;  in hypfs_create_str()