On Tue, Oct 13, 2015 at 06:29:41PM +0800, Zhao Lei wrote: > Current code don't support dup profile in single device, except it > is in mixed mode, because following reason: > 1: In some ssd with deduplication function, it have no effect. > 2: For a physical device, it the entire disk broken, -d dup can > not help. > 3: Half performance comparing with single profile. > 4: We have a workaround: Create multi-partition in single device, > and btefs will treat them as multi device. > > Instead of refuse -d dup, we have a better choise: > Give user a chance to select, and output a warning to notice above > problem. > > Signed-off-by: Zhao Lei <zhaolei@xxxxxxxxxxxxxx> FYI, I've queued the patch for 4.4 (or later) whenever we're ready on the kernel side. -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
