dnl # dnl # 2.6.28 API change dnl # Added d_obtain_alias() helper function. dnl # AC_DEFUN([ZFS_AC_KERNEL_D_OBTAIN_ALIAS], [AC_MSG_CHECKING([whether d_obtain_alias() is available]) ZFS_LINUX_TRY_COMPILE_SYMBOL([ #include <linux/dcache.h> ], [ d_obtain_alias(NULL); ], [d_obtain_alias], [fs/dcache.c], [ AC_MSG_RESULT(yes) AC_DEFINE(HAVE_D_OBTAIN_ALIAS, 1, [d_obtain_alias() is available]) ], [ AC_MSG_RESULT(no) ]) ])