pub fn walk_files<P: PhysicalMemoryProvider>(
reader: &ObjectReader<P>,
) -> Result<Vec<FileDescriptorInfo>>Expand description
Walk open file descriptors for all processes.
For each process, follows task_struct.files → files_struct.fdt → fdtable to find the fd pointer array, then dereferences each
non-NULL struct file * to read the dentry name and file position.