[mirror_zfs-debian.git] / config / kernel-bdi-setup-and-register.m4

dnl #
dnl # 2.6.34 API change
dnl # The bdi_setup_and_register() helper function is avilable and
dnl # exported by the kernel.  This is a trivial helper function but
dnl # using it significantly simplifies the code surrounding setting
dnl # up and tearing down the bdi structure.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BDI_SETUP_AND_REGISTER], [
	ZFS_CHECK_SYMBOL_EXPORT(
		[bdi_setup_and_register],
		[mm/backing-dev.c],
		[AC_DEFINE(HAVE_BDI_SETUP_AND_REGISTER, 1,
		[bdi_setup_and_register() is available])],
		[])
])
Commit	Line	Data
5547c2f1 BB	1	dnl #
	2	dnl # 2.6.34 API change
	3	dnl # The bdi_setup_and_register() helper function is avilable and
	4	dnl # exported by the kernel. This is a trivial helper function but
	5	dnl # using it significantly simplifies the code surrounding setting
	6	dnl # up and tearing down the bdi structure.
	7	dnl #
	8	AC_DEFUN([ZFS_AC_KERNEL_BDI_SETUP_AND_REGISTER], [
	9	ZFS_CHECK_SYMBOL_EXPORT(
	10	[bdi_setup_and_register],
	11	[mm/backing-dev.c],
	12	[AC_DEFINE(HAVE_BDI_SETUP_AND_REGISTER, 1,
	13	[bdi_setup_and_register() is available])],
	14	[])
	15	])