xref: /freebsd/sys/contrib/openzfs/config/kernel-automount.m4 (revision f7c32ed617858bcd22f8d1b03199099d50125721)
1dnl #
2dnl # 2.6.37 API change
3dnl # The dops->d_automount() dentry operation was added as a clean
4dnl # solution to handling automounts.  Prior to this cifs/nfs clients
5dnl # which required automount support would abuse the follow_link()
6dnl # operation on directories for this purpose.
7dnl #
8AC_DEFUN([ZFS_AC_KERNEL_SRC_AUTOMOUNT], [
9	ZFS_LINUX_TEST_SRC([dentry_operations_d_automount], [
10		#include <linux/dcache.h>
11		struct vfsmount *d_automount(struct path *p) { return NULL; }
12		struct dentry_operations dops __attribute__ ((unused)) = {
13			.d_automount = d_automount,
14		};
15	])
16])
17
18AC_DEFUN([ZFS_AC_KERNEL_AUTOMOUNT], [
19	AC_MSG_CHECKING([whether dops->d_automount() exists])
20	ZFS_LINUX_TEST_RESULT([dentry_operations_d_automount], [
21		AC_MSG_RESULT(yes)
22	],[
23		ZFS_LINUX_TEST_ERROR([dops->d_automount()])
24	])
25])
26