On Wed, Jan 11, 2017 at 12:05:44AM -0800, Darrick J. Wong wrote: > > 3. There appears to be code that allows retroactively creating CoW for > > two files that existed separately before. Is that (planned to be) > > exposed to userland? > > No plans for that at the moment. There used to be a debugging knob, but > it was ripped out before upstreaming the code. I think he's asking for the dedup ioctl, which is supported. -- To unsubscribe from this list: send the line "unsubscribe linux-xfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html