Re: [PATCH v8 06/63] btrfs: Use filemap_range_has_page()

On Tue, Mar 06, 2018 at 11:23:16AM -0800, Matthew Wilcox wrote: > From: Matthew Wilcox > > 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

[PATCH v8 06/63] btrfs: Use filemap_range_has_page()

From: Matthew Wilcox 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