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dnl #
dnl # Linux 6.16 removed readahead_page
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_PAGEMAP_READAHEAD_PAGE], [
ZFS_LINUX_TEST_SRC([pagemap_has_readahead_page], [
#include <linux/pagemap.h>
], [
struct page *p __attribute__ ((unused)) = NULL;
struct readahead_control *ractl __attribute__ ((unused)) = NULL;
p = readahead_page(ractl);
])
])
AC_DEFUN([ZFS_AC_KERNEL_PAGEMAP_READAHEAD_PAGE], [
AC_MSG_CHECKING([whether readahead_page() exists])
ZFS_LINUX_TEST_RESULT([pagemap_has_readahead_page], [
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_PAGEMAP_READAHEAD_PAGE, 1,
[readahead_page() exists])
],[
AC_MSG_RESULT([no])
])
])
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