On 2/19/20 7:01 AM, Matthew Wilcox wrote: > On Wed, Feb 19, 2020 at 06:52:46AM -0800, Christoph Hellwig wrote: >> On Wed, Feb 19, 2020 at 06:41:17AM -0800, Matthew Wilcox wrote: >>> #define readahead_for_each(rac, page) \ >>> while ((page = readahead_page(rac))) >>> >>> No more readahead_next() to forget to add to filesystems which don't use >>> the readahead_for_each() iterator. Ahem. Yes, this looks very clean. And less error-prone, which I definitely appreciate too. :) >> >> And then kill readahead_for_each and open code the above to make it >> even more obvious? > > Makes sense. > Great! thanks, -- John Hubbard NVIDIA
