On Tue, Jan 09, 2024 at 07:43:54AM +0000, Johannes Thumshirn wrote: > On 08.01.24 18:40, David Sterba wrote: > >> 199 - btrfs > > > > All the easy conversions to scoped nofs allocaionts have been done, the > > rest requires to add saving the nofs state at the transactions tart, as > > said in above. I have a wip series for that, updated every few releases > > but it's intrusive and not finished for a testing run. The number of > > patches is over 100, doing each conversion separately, the other generic > > changes are straightforward. > > > > It's possible to do it incrementally, there's one moster patch (300 > > edited lines) to add a stub parameter to transaction start, > > https://lore.kernel.org/linux-btrfs/20211018173803.18353-1-dsterba@xxxxxxxx/ . > > There are some counter points in the discussion if it has to be done > > like that but IIRC it's not possible, I have examples why not. > > > > At a first glance, storing the nofs scope in the transaction handle like > Filipe proposed sounds like a good idea to me. That's exactly what XFS has done for the last couple of decades. :) Cheers, Dave. -- Dave Chinner david@xxxxxxxxxxxxx
