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dnl #
dnl # Linux 5.18 uses filemap_dirty_folio in lieu of
dnl # ___set_page_dirty_nobuffers
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_FILEMAP_DIRTY_FOLIO], [
ZFS_LINUX_TEST_SRC([vfs_has_filemap_dirty_folio], [
#include <linux/pagemap.h>
#include <linux/writeback.h>
static const struct address_space_operations
aops __attribute__ ((unused)) = {
.dirty_folio = filemap_dirty_folio,
};
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_VFS_FILEMAP_DIRTY_FOLIO], [
dnl #
dnl # Linux 5.18 uses filemap_dirty_folio in lieu of
dnl # ___set_page_dirty_nobuffers
dnl #
AC_MSG_CHECKING([whether filemap_dirty_folio exists])
ZFS_LINUX_TEST_RESULT([vfs_has_filemap_dirty_folio], [
AC_MSG_RESULT([yes])
AC_DEFINE(HAVE_VFS_FILEMAP_DIRTY_FOLIO, 1,
[filemap_dirty_folio exists])
],[
AC_MSG_RESULT([no])
])
])
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