On Wed, Aug 26, 2015 at 04:16:41PM +0800, Peng Tao wrote: > 2. vfs_file_clone_range() does not expect file systems to do data copy, and > thus > no rw_verify_area() required.
While there is no physical copy involved, the data logically is copied from file A to file B. So we still need all the checks from rw_verify_area. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
