| dnl # |
| dnl # filemap_range_has_page was not available till 4.13 |
| dnl # |
| AC_DEFUN([ZFS_AC_KERNEL_SRC_FILEMAP], [ |
| ZFS_LINUX_TEST_SRC([filemap_range_has_page], [ |
| #include <linux/fs.h> |
| ],[ |
| struct address_space *mapping = NULL; |
| loff_t lstart = 0; |
| loff_t lend = 0; |
| bool ret __attribute__ ((unused)); |
| |
| ret = filemap_range_has_page(mapping, lstart, lend); |
| ]) |
| ]) |
| |
| AC_DEFUN([ZFS_AC_KERNEL_FILEMAP], [ |
| AC_MSG_CHECKING([whether filemap_range_has_page() is available]) |
| ZFS_LINUX_TEST_RESULT([filemap_range_has_page], [ |
| AC_MSG_RESULT(yes) |
| AC_DEFINE(HAVE_FILEMAP_RANGE_HAS_PAGE, 1, |
| [filemap_range_has_page() is available]) |
| ],[ |
| AC_MSG_RESULT(no) |
| ]) |
| ]) |
