2010-08-26 18:22:58 +00:00
|
|
|
dnl #
|
|
|
|
|
dnl # 2.6.x API change
|
|
|
|
|
dnl #
|
|
|
|
|
AC_DEFUN([ZFS_AC_KERNEL_RQ_IS_SYNC], [
|
|
|
|
|
AC_MSG_CHECKING([whether rq_is_sync() is available])
|
2011-11-29 22:31:20 +00:00
|
|
|
tmp_flags="$EXTRA_KCFLAGS"
|
|
|
|
|
EXTRA_KCFLAGS="-Wno-unused-but-set-variable"
|
2010-08-26 18:22:58 +00:00
|
|
|
ZFS_LINUX_TRY_COMPILE([
|
|
|
|
|
#include <linux/blkdev.h>
|
|
|
|
|
],[
|
|
|
|
|
struct request *req = NULL;
|
|
|
|
|
(void) rq_is_sync(req);
|
|
|
|
|
],[
|
|
|
|
|
AC_MSG_RESULT(yes)
|
|
|
|
|
AC_DEFINE(HAVE_RQ_IS_SYNC, 1,
|
|
|
|
|
[rq_is_sync() is available])
|
|
|
|
|
],[
|
|
|
|
|
AC_MSG_RESULT(no)
|
|
|
|
|
])
|
2011-11-29 22:31:20 +00:00
|
|
|
EXTRA_KCFLAGS="$tmp_flags"
|
2010-08-26 18:22:58 +00:00
|
|
|
])
|
