On Wed, Feb 26, 2020 at 09:04:25AM -0800, Darrick J. Wong wrote: > > @@ -456,15 +435,8 @@ iomap_readpages(struct address_space *mapping, struct list_head *pages, > > unlock_page(ctx.cur_page); > > put_page(ctx.cur_page); > > } > > - > > - /* > > - * Check that we didn't lose a page due to the arcance calling > > - * conventions.. > > - */ > > - WARN_ON_ONCE(!ret && !list_empty(ctx.pages)); > > - return ret; > > After all the discussion about "if we still have ctx.cur_page we should > just stop" in v7, I'm surprised that this patch now doesn't say much of > anything, not even a WARN_ON()? The code quoted above puts the cur_page reference. By dropping the odd refactoring patch there is no need to check for cur_page being left as a special condition as that still is the normal loop exit state and properly handled, just as in the original iomap code.