124 fn try_find_gendisk_as_rootfs(path: &str) -> Option<Arc<GenDisk>> {  in try_find_gendisk_as_rootfs()
125     if let Some(gd) = block_dev_manager().lookup_gendisk_by_path(path) {  in try_find_gendisk_as_rootfs()
126         info!("Use {} as rootfs", path);  in try_find_gendisk_as_rootfs()
141             .find_map(|&path| try_find_gendisk_as_rootfs(path))  in mount_root_fs()
171     path: &str,  in do_mkdir_at()
175     let (mut current_inode, path) =  in do_mkdir_at()
176         user_path_at(&ProcessManager::current_pcb(), dirfd, path.trim())?;  in do_mkdir_at()
177     let (name, parent) = rsplit_path(&path);  in do_mkdir_at()
187 pub fn do_remove_dir(dirfd: i32, path: &str) -> Result<u64, SystemError> {  in do_remove_dir()
188     let path = path.trim();  in do_remove_dir()  localVariable
191     let (inode_begin, remain_path) = user_path_at(&pcb, dirfd, path)?;  in do_remove_dir()
220 pub fn do_unlink_at(dirfd: i32, path: &str) -> Result<u64, SystemError> {  in do_unlink_at()
221     let path = path.trim();  in do_unlink_at()  localVariable
224     let (inode_begin, remain_path) = user_path_at(&pcb, dirfd, path)?;  in do_unlink_at()
384     let path = work.absolute_path()? + &rest;  in do_umount2()  localVariable
386         if let Some(fs) = MOUNT_LIST().remove(path) {  in do_umount2()