zfs/config/kernel-writepage_t.m4

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AC_DEFUN([ZFS_AC_KERNEL_SRC_WRITEPAGE_T], [
dnl #
dnl # 6.3 API change
dnl # The writepage_t function type now has its first argument as
dnl # struct folio* instead of struct page*
dnl #
ZFS_LINUX_TEST_SRC([writepage_t_folio], [
#include <linux/writeback.h>
static int putpage(struct folio *folio,
struct writeback_control *wbc, void *data)
{ return 0; }
writepage_t func = putpage;
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_WRITEPAGE_T], [
AC_MSG_CHECKING([whether int (*writepage_t)() takes struct folio*])
ZFS_LINUX_TEST_RESULT([writepage_t_folio], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_WRITEPAGE_T_FOLIO, 1,
[int (*writepage_t)() takes struct folio*])
],[
AC_MSG_RESULT(no)
])
])