On Tue, Mar 06, 2018 at 11:23:16AM -0800, Matthew Wilcox wrote: > From: Matthew Wilcox <mawilcox@xxxxxxxxxxxxx> > > The current implementation of btrfs_page_exists_in_range() gives the > wrong answer if the workingset code has stored a shadow entry in the > page cache. The filemap_range_has_page() function does not have this > problem, and it's shared code, so use it instead. I'm going to merge this patch. btrfs_page_exists_in_range was full of bugs from the beginning so I'm more than happy to use the shared one. Thanks.
