xref: /freebsd-src/sys/contrib/openzfs/config/kernel-writepage_t.m4 (revision fd45b686f9d92f583366c75b22c04c7ee49709c0)
1d411c1d6SMartin MatuskaAC_DEFUN([ZFS_AC_KERNEL_SRC_WRITEPAGE_T], [
2d411c1d6SMartin Matuska	dnl #
3d411c1d6SMartin Matuska	dnl # 6.3 API change
4d411c1d6SMartin Matuska	dnl # The writepage_t function type now has its first argument as
5d411c1d6SMartin Matuska	dnl # struct folio* instead of struct page*
6d411c1d6SMartin Matuska	dnl #
7d411c1d6SMartin Matuska	ZFS_LINUX_TEST_SRC([writepage_t_folio], [
8d411c1d6SMartin Matuska		#include <linux/writeback.h>
9*fd45b686SMartin Matuska		static int putpage(struct folio *folio,
10d411c1d6SMartin Matuska		    struct writeback_control *wbc, void *data)
11d411c1d6SMartin Matuska		{ return 0; }
12d411c1d6SMartin Matuska		writepage_t func = putpage;
13d411c1d6SMartin Matuska	],[])
14d411c1d6SMartin Matuska])
15d411c1d6SMartin Matuska
16d411c1d6SMartin MatuskaAC_DEFUN([ZFS_AC_KERNEL_WRITEPAGE_T], [
17d411c1d6SMartin Matuska	AC_MSG_CHECKING([whether int (*writepage_t)() takes struct folio*])
18d411c1d6SMartin Matuska	ZFS_LINUX_TEST_RESULT([writepage_t_folio], [
19d411c1d6SMartin Matuska		AC_MSG_RESULT(yes)
20d411c1d6SMartin Matuska		AC_DEFINE(HAVE_WRITEPAGE_T_FOLIO, 1,
21d411c1d6SMartin Matuska		   [int (*writepage_t)() takes struct folio*])
22d411c1d6SMartin Matuska	],[
23d411c1d6SMartin Matuska		AC_MSG_RESULT(no)
24d411c1d6SMartin Matuska	])
25d411c1d6SMartin Matuska])
26d411c1d6SMartin Matuska
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