> > > Is this nfs/fuse problem you described: > > > http://marc.info/?l=linux-fsdevel&m=121396920822693&w=2 > > > > Yes. > > I do not know fuse good enough, but it looks like if your patch only > fixes issue for pages which are in splice buffer during invalidation, > any subsequent call for splice() will get correct new data (at least > invoke readpage(s)), but in the description of error there was a > long timeout between reading and writing, so it was a fresh splice() > call, which suddenly started to return errors. > > Is it possible that by having uptodate bit in place, but page was > actually freed but not removed from all trees and so on, so it > masked read errors? This may be not the right conclusion though :) No, the mechanics of the problem are well understood. Only the solution is problematic :) Miklos -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html