On Thu, Nov 22, 2018 at 09:46:44PM +0800, Qu Wenruo wrote: > >>> it and after > >>> we started (or joined) a transaction, a lot could of modifications may > >>> have happened. > >>> Nevertheless I don't think it's unexpected for anyone to have the > >>> accounting happening > >>> only after the quota enable ioctl returns success. > >> > >> The problem is not accounting, the qgroup number won't cause problem. > >> > >> It's the reserved space. Like some dirty pages are dirtied before quota > >> enabled, but at run_dealloc() time quota is enabled. > >> > >> For such case we have io_tree based method to avoid underflow so it > >> should be OK. > >> > >> So v2 patch looks OK. > > > > Does that mean reviewed-by? In case there's a evolved discussion under a > > patch, a clear yes/no is appreciated and an explicit Reviewed-by even > > more. I'm about to add this patch to rc4 pull, thre's still some time to > > add the tag. Thanks. > > I'd like to add reviewed-by tab, but I'm still not 100% if this will > cause extra qgroup reserved space related problem. > > At least from my side, I can't directly see a case where it will cause > problem. > > Does such case mean a reviewed-by tag? Or something LGTM-but-uncertain?
It means that we can keep the patch in testing branch for a bit longer, there's still time to put it to a later rc once there's enough certainty.
