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dnl #
dnl # 3.4.0 API change
dnl # Added d_make_root() to replace previous d_alloc_root() function.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_D_MAKE_ROOT],
[AC_MSG_CHECKING([whether d_make_root() is available])
ZFS_LINUX_TRY_COMPILE_SYMBOL([
#include <linux/dcache.h>
], [
d_make_root(NULL);
], [d_make_root], [fs/dcache.c], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_D_MAKE_ROOT, 1, [d_make_root() is available])
], [
AC_MSG_RESULT(no)
])
])
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