On 19/02/2020 22:03, Matthew Wilcox wrote: > From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx> > > Use the new readahead operation in btrfs. Add a > readahead_for_each_batch() iterator to optimise the loop in the XArray. OK I must admit I haven't followed this series closely, but what happened to said readahead_for_each_batch()? As far as I can see it's now: [...] > + while ((nr = readahead_page_batch(rac, pagepool))) {