On Tue, Apr 01, 2025 at 02:49:51PM -0700, Davidlohr Bueso wrote: > So the below could be tucked in for norefs only (because this is about the addr > space i_private_lock), but this also shortens the hold time; if that matters > at all, of course, vs changing the migration semantics. I like this approach a lot better. One wrinkle is that it doesn't seem that we need to set the BH_Migrate bit on every buffer; we could define that it's only set on the head BH, right?