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dnl #
dnl # 2.6.38 API change
dnl # follow_down() renamed follow_down_one(). The original follow_down()
dnl # symbol still exists but will traverse down all the layers.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_FOLLOW_DOWN_ONE], [
ZFS_LINUX_TEST_SRC([follow_down_one], [
#include <linux/namei.h>
],[
struct path *p = NULL;
follow_down_one(p);
])
])
AC_DEFUN([ZFS_AC_KERNEL_FOLLOW_DOWN_ONE], [
AC_MSG_CHECKING([whether follow_down_one() is available])
ZFS_LINUX_TEST_RESULT([follow_down_one], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_FOLLOW_DOWN_ONE, 1,
[follow_down_one() is available])
],[
AC_MSG_RESULT(no)
])
])
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