--- /dev/null
+dnl #
+dnl # 2.6.37 API change
+dnl # The dops->d_automount() dentry operation was added as a clean
+dnl # solution to handling automounts. Prior to this cifs/nfs clients
+dnl # which required automount support would abuse the follow_link()
+dnl # operation on directories for this purpose.
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_AUTOMOUNT], [
+ AC_MSG_CHECKING([whether dops->d_automount() exists])
+ ZFS_LINUX_TRY_COMPILE([
+ #include <linux/dcache.h>
+ struct vfsmount *d_automount(struct path *p) { return NULL; }
+ struct dentry_operations dops __attribute__ ((unused)) = {
+ .d_automount = d_automount,
+ };
+ ],[
+ ],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_AUTOMOUNT, 1, [dops->automount() exists])
+ ],[
+ AC_MSG_RESULT(no)
+ ])
+])