dnl # dnl # Linux 5.18 removes address_space_operations ->readpages in favour of dnl # ->readahead dnl # AC_DEFUN([ZFS_AC_KERNEL_SRC_VFS_READPAGES], [ ZFS_LINUX_TEST_SRC([vfs_has_readpages], [ #include static const struct address_space_operations aops __attribute__ ((unused)) = { .readpages = NULL, }; ],[]) ]) AC_DEFUN([ZFS_AC_KERNEL_VFS_READPAGES], [ AC_MSG_CHECKING([address_space_operations->readpages exists]) ZFS_LINUX_TEST_RESULT([vfs_has_readpages], [ AC_MSG_RESULT([yes]) AC_DEFINE(HAVE_VFS_READPAGES, 1, [address_space_operations->readpages exists]) ],[ AC_MSG_RESULT([no]) ]) ])