mirror_zfs/config/kernel-writepage_t.m4
Rob Norris a41d0b29a9 Linux 6.8 compat: make test functions static
The kernel is now being compiled with -Wmissing-prototypes. Most of our
test stub functions had no prototype, and failed to compile. Since they
don't need to be visible anywhere else, just make them all static.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <robn@despairlabs.com>
Sponsored-by: https://despairlabs.com/sponsor/
Closes #15805
2024-01-29 11:36:07 -08:00

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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)
])
])