56 static struct dentry *devices_usbfs_dentry;
192 static void update_special(struct dentry *special)  in update_special()
199 static void update_dev(struct dentry *dev)  in update_dev()
206 static void update_bus(struct dentry *bus)  in update_bus()
208 	struct dentry *dev = NULL;  in update_bus()
225 	struct dentry *root = sb->s_root;  in update_sb()
226 	struct dentry *bus = NULL;  in update_sb()
303 static int usbfs_mknod (struct inode *dir, struct dentry *dentry, int mode,  in usbfs_mknod()  argument
309 	if (dentry->d_inode)  in usbfs_mknod()
313 		d_instantiate(dentry, inode);  in usbfs_mknod()
314 		dget(dentry);  in usbfs_mknod()
320 static int usbfs_mkdir (struct inode *dir, struct dentry *dentry, int mode)  in usbfs_mkdir()  argument
325 	res = usbfs_mknod (dir, dentry, mode, 0);  in usbfs_mkdir()
331 static int usbfs_create (struct inode *dir, struct dentry *dentry, int mode)  in usbfs_create()  argument
334 	return usbfs_mknod (dir, dentry, mode, 0);  in usbfs_create()
337 static inline int usbfs_positive (struct dentry *dentry)  in usbfs_positive()  argument
339 	return dentry->d_inode && !d_unhashed(dentry);  in usbfs_positive()
342 static int usbfs_empty (struct dentry *dentry)  in usbfs_empty()  argument
348 	list_for_each(list, &dentry->d_subdirs) {  in usbfs_empty()
349 		struct dentry *de = list_entry(list, struct dentry, d_u.d_child);  in usbfs_empty()
360 static int usbfs_unlink (struct inode *dir, struct dentry *dentry)  in usbfs_unlink()  argument
362 	struct inode *inode = dentry->d_inode;  in usbfs_unlink()
364 	drop_nlink(dentry->d_inode);  in usbfs_unlink()
365 	dput(dentry);  in usbfs_unlink()
367 	d_delete(dentry);  in usbfs_unlink()
371 static int usbfs_rmdir(struct inode *dir, struct dentry *dentry)  in usbfs_rmdir()  argument
374 	struct inode * inode = dentry->d_inode;  in usbfs_rmdir()
377 	dentry_unhash(dentry);  in usbfs_rmdir()
378 	if (usbfs_empty(dentry)) {  in usbfs_rmdir()
379 		drop_nlink(dentry->d_inode);  in usbfs_rmdir()
380 		drop_nlink(dentry->d_inode);  in usbfs_rmdir()
381 		dput(dentry);  in usbfs_rmdir()
388 		d_delete(dentry);  in usbfs_rmdir()
389 	dput(dentry);  in usbfs_rmdir()
411 	mutex_lock(&file->f_path.dentry->d_inode->i_mutex);  in default_file_lseek()
428 	mutex_unlock(&file->f_path.dentry->d_inode->i_mutex);  in default_file_lseek()
457 	struct dentry *root;  in usbfs_fill_super()
491 			      struct dentry *parent, struct dentry **dentry)  in fs_create_by_name()  argument
511 	*dentry = NULL;  in fs_create_by_name()
513 	*dentry = lookup_one_len(name, parent, strlen(name));  in fs_create_by_name()
514 	if (!IS_ERR(dentry)) {  in fs_create_by_name()
516 			error = usbfs_mkdir (parent->d_inode, *dentry, mode);  in fs_create_by_name()
518 			error = usbfs_create (parent->d_inode, *dentry, mode);  in fs_create_by_name()
520 		error = PTR_ERR(dentry);  in fs_create_by_name()
526 static struct dentry *fs_create_file (const char *name, mode_t mode,  in fs_create_file()
527 				      struct dentry *parent, void *data,  in fs_create_file()
531 	struct dentry *dentry;  in fs_create_file()  local
536 	error = fs_create_by_name (name, mode, parent, &dentry);  in fs_create_file()
538 		dentry = NULL;  in fs_create_file()
540 		if (dentry->d_inode) {  in fs_create_file()
542 				dentry->d_inode->i_private = data;  in fs_create_file()
544 				dentry->d_inode->i_fop = fops;  in fs_create_file()
545 			dentry->d_inode->i_uid = uid;  in fs_create_file()
546 			dentry->d_inode->i_gid = gid;  in fs_create_file()
550 	return dentry;  in fs_create_file()
553 static void fs_remove_file (struct dentry *dentry)  in fs_remove_file()  argument
555 	struct dentry *parent = dentry->d_parent;  in fs_remove_file()
561 	if (usbfs_positive(dentry)) {  in fs_remove_file()
562 		if (dentry->d_inode) {  in fs_remove_file()
563 			if (S_ISDIR(dentry->d_inode->i_mode))  in fs_remove_file()
564 				usbfs_rmdir(parent->d_inode, dentry);  in fs_remove_file()
566 				usbfs_unlink(parent->d_inode, dentry);  in fs_remove_file()
567 		dput(dentry);  in fs_remove_file()
592 	struct dentry *parent;  in create_special_files()
649 	struct dentry *parent;  in usbfs_add_bus()