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. Anyways, the deeper discussion on how we hope to solve it is nothing that needs to be done in this thread.