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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)
])
])
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