2011-11-08 04:39:03 +04:00
|
|
|
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 #
|
2012-07-26 01:38:58 +04:00
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_BDI_SETUP_AND_REGISTER],
|
|
|
|
|
[AC_MSG_CHECKING([whether bdi_setup_and_register() is available])
|
|
|
|
|
ZFS_LINUX_TRY_COMPILE_SYMBOL([
|
|
|
|
|
#include <linux/backing-dev.h>
|
|
|
|
|
], [
|
|
|
|
|
bdi_setup_and_register(NULL, NULL, 0);
|
|
|
|
|
], [bdi_setup_and_register], [mm/backing-dev.c], [
|
|
|
|
|
AC_MSG_RESULT(yes)
|
|
|
|
|
AC_DEFINE(HAVE_BDI_SETUP_AND_REGISTER, 1,
|
|
|
|
|
[bdi_setup_and_register() is available])
|
|
|
|
|
], [
|
|
|
|
|
AC_MSG_RESULT(no)
|
|
|
|
|
])
|
2011-11-08 04:39:03 +04:00
|
|
|
])
|
