33 static struct dentry *hypfs_create_update_file(struct dentry *dir);
38 	struct dentry *update_file;	/* file to trigger update */
48 static struct dentry *hypfs_last_dentry;
61 static void hypfs_add_dentry(struct dentry *dentry)  in hypfs_add_dentry()  argument
63 	dentry->d_fsdata = hypfs_last_dentry;  in hypfs_add_dentry()
64 	hypfs_last_dentry = dentry;  in hypfs_add_dentry()
67 static void hypfs_remove(struct dentry *dentry)  in hypfs_remove()  argument
69 	struct dentry *parent;  in hypfs_remove()
71 	parent = dentry->d_parent;  in hypfs_remove()
73 	if (simple_positive(dentry)) {  in hypfs_remove()
74 		if (d_is_dir(dentry))  in hypfs_remove()
75 			simple_rmdir(d_inode(parent), dentry);  in hypfs_remove()
77 			simple_unlink(d_inode(parent), dentry);  in hypfs_remove()
79 	d_drop(dentry);  in hypfs_remove()
80 	dput(dentry);  in hypfs_remove()
84 static void hypfs_delete_tree(struct dentry *root)  in hypfs_delete_tree()
87 		struct dentry *next_dentry;  in hypfs_delete_tree()
247 static int hypfs_show_options(struct seq_file *s, struct dentry *root)  in hypfs_show_options()
260 	struct dentry *root_dentry, *update_file;  in hypfs_fill_super()
337 static struct dentry *hypfs_create_file(struct dentry *parent, const char *name,  in hypfs_create_file()
340 	struct dentry *dentry;  in hypfs_create_file()  local
344 	dentry = lookup_one_len(name, parent, strlen(name));  in hypfs_create_file()
345 	if (IS_ERR(dentry)) {  in hypfs_create_file()
346 		dentry = ERR_PTR(-ENOMEM);  in hypfs_create_file()
351 		dput(dentry);  in hypfs_create_file()
352 		dentry = ERR_PTR(-ENOMEM);  in hypfs_create_file()
368 	d_instantiate(dentry, inode);  in hypfs_create_file()
369 	dget(dentry);  in hypfs_create_file()
372 	return dentry;  in hypfs_create_file()
375 struct dentry *hypfs_mkdir(struct dentry *parent, const char *name)  in hypfs_mkdir()
377 	struct dentry *dentry;  in hypfs_mkdir()  local
379 	dentry = hypfs_create_file(parent, name, NULL, S_IFDIR | DIR_MODE);  in hypfs_mkdir()
380 	if (IS_ERR(dentry))  in hypfs_mkdir()
381 		return dentry;  in hypfs_mkdir()
382 	hypfs_add_dentry(dentry);  in hypfs_mkdir()
383 	return dentry;  in hypfs_mkdir()
386 static struct dentry *hypfs_create_update_file(struct dentry *dir)  in hypfs_create_update_file()
388 	struct dentry *dentry;  in hypfs_create_update_file()  local
390 	dentry = hypfs_create_file(dir, "update", NULL,  in hypfs_create_update_file()
397 	return dentry;  in hypfs_create_update_file()
400 struct dentry *hypfs_create_u64(struct dentry *dir,  in hypfs_create_u64()
405 	struct dentry *dentry;  in hypfs_create_u64()  local
411 	dentry =  in hypfs_create_u64()
413 	if (IS_ERR(dentry)) {  in hypfs_create_u64()
417 	hypfs_add_dentry(dentry);  in hypfs_create_u64()
418 	return dentry;  in hypfs_create_u64()
421 struct dentry *hypfs_create_str(struct dentry *dir,  in hypfs_create_str()
425 	struct dentry *dentry;  in hypfs_create_str()  local
431 	dentry =  in hypfs_create_str()
433 	if (IS_ERR(dentry)) {  in hypfs_create_str()
437 	hypfs_add_dentry(dentry);  in hypfs_create_str()
438 	return dentry;  in hypfs_create_str()