On Wed, Aug 26, 2015 at 9:11 PM, Christoph Hellwig <hch@xxxxxxxxxxxxx> wrote: > 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. I see. Will add the checks. Cheers, Tao -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
