On Wed, Feb 24, 2021 at 09:44:53AM -0700, Jens Axboe wrote: > +++ b/include/linux/fs.h > @@ -2633,6 +2633,8 @@ static inline int filemap_fdatawait(struct address_space *mapping) > > extern bool filemap_range_has_page(struct address_space *, loff_t lstart, > loff_t lend); > +extern bool filemap_range_needs_writeback(struct address_space *, > + loff_t lstart, loff_t lend); > extern int filemap_write_and_wait_range(struct address_space *mapping, > loff_t lstart, loff_t lend); > extern int __filemap_fdatawrite_range(struct address_space *mapping, These prototypes should all be in pagemap.h, not fs.h. I can do a followup patch if you don't want to do it as part of this set. Also we're deprecating the use of 'extern' for prototypes. Reviewed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
