config/kernel-writepage_t.m4

   1 AC_DEFUN([ZFS_AC_KERNEL_SRC_WRITEPAGE_T], [
   2         dnl #
   3         dnl # 6.3 API change
   4         dnl # The writepage_t function type now has its first argument as
   5         dnl # struct folio* instead of struct page*
   6         dnl #
   7         ZFS_LINUX_TEST_SRC([writepage_t_folio], [
   8                 #include <linux/writeback.h>
   9                 static int putpage(struct folio *folio,
  10                     struct writeback_control *wbc, void *data)
  11                 { return 0; }
  12                 writepage_t func = putpage;
  13         ],[])
  14 ])
  15
  16 AC_DEFUN([ZFS_AC_KERNEL_WRITEPAGE_T], [
  17         AC_MSG_CHECKING([whether int (*writepage_t)() takes struct folio*])
  18         ZFS_LINUX_TEST_RESULT([writepage_t_folio], [
  19                 AC_MSG_RESULT(yes)
  20                 AC_DEFINE(HAVE_WRITEPAGE_T_FOLIO, 1,
  21                    [int (*writepage_t)() takes struct folio*])
  22         ],[
  23                 AC_MSG_RESULT(no)
  24         ])
  25 ])
  26