On Tue, Oct 15, 2024 at 3:01 AM Miklos Szeredi <miklos@xxxxxxxxxx> wrote: > > On Mon, 14 Oct 2024 at 20:23, Joanne Koong <joannelkoong@xxxxxxxxx> wrote: > > > This change sets AS_NO_WRITEBACK_RECLAIM on the inode mapping so that > > FUSE folios are not reclaimed and waited on while in writeback, and > > removes the temporary folio + extra copying and the internal rb tree. > > What about sync(2)? And page migration? > > Hopefully there are no other cases, but I think a careful review of > places where generic code waits for writeback is needed before we can > say for sure. Sounds good, that's a great point. I'll audit the other places in the mm code where we might call folio_wait_writeback() and report back what I find. Thanks, Joanne > > Thanks, > Miklos
