Linux 5.18+ compat: Detect filemap_range_has_page

In v5.18 `filemap_range_has_page` moved to `pagemap.h`

`pagemap.h` has been around since 3.10 so just include both

Reviewed-by: Tony Hutter <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Reviewed-by: Rob Norris <[email protected]>
Signed-off-by: Robert Evans <[email protected]>
Closes #16034

Author: rrevans

config/kernel-filemap.m4

@@ -4,6 +4,7 @@ dnl #
 AC_DEFUN([ZFS_AC_KERNEL_SRC_FILEMAP], [
 	ZFS_LINUX_TEST_SRC([filemap_range_has_page], [
 		#include <linux/fs.h>
+		#include <linux/pagemap.h>
 	],[
 		struct address_space *mapping = NULL;
 		loff_t lstart = 0;