zfs/config/kernel-readpages.m4

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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 <linux/fs.h>
static const struct address_space_operations
aops __attribute__ ((unused)) = {
.readpages = NULL,
};
],[])
])
AC_DEFUN([ZFS_AC_KERNEL_VFS_READPAGES], [
AC_MSG_CHECKING([whether aops->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])
])
])