[mirror_zfs-debian.git] / config / kernel-automount.m4

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)
	])
])
Commit	Line	Data
ebe7e575 BB	1	dnl #
	2	dnl # 2.6.37 API change
	3	dnl # The dops->d_automount() dentry operation was added as a clean
	4	dnl # solution to handling automounts. Prior to this cifs/nfs clients
	5	dnl # which required automount support would abuse the follow_link()
	6	dnl # operation on directories for this purpose.
	7	dnl #
	8	AC_DEFUN([ZFS_AC_KERNEL_AUTOMOUNT], [
	9	AC_MSG_CHECKING([whether dops->d_automount() exists])
	10	ZFS_LINUX_TRY_COMPILE([
	11	#include <linux/dcache.h>
52cd9202	12	struct vfsmount d_automount(struct path p) { return NULL; }
ebe7e575 BB	13	struct dentry_operations dops __attribute__ ((unused)) = {
	14	.d_automount = d_automount,
	15	};
52cd9202	16	],[
ebe7e575 BB	17	],[
	18	AC_MSG_RESULT(yes)
	19	AC_DEFINE(HAVE_AUTOMOUNT, 1, [dops->automount() exists])
	20	],[
	21	AC_MSG_RESULT(no)
	22	])
	23	])