[mirror_zfs-debian.git] / config / kernel-blk-rq-pos.m4

dnl #
dnl # 2.6.31 API change
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BLK_RQ_POS], [
	AC_MSG_CHECKING([whether blk_rq_pos() is available])
	ZFS_LINUX_TRY_COMPILE([
		#include <linux/blkdev.h>
	],[
		struct request *req = NULL;
		(void) blk_rq_pos(req);
	],[
		AC_MSG_RESULT(yes)
		AC_DEFINE(HAVE_BLK_RQ_POS, 1,
		          [blk_rq_pos() is available])
	],[
		AC_MSG_RESULT(no)
	])
])
Commit	Line	Data
c9c0d073 BB	1	dnl #
	2	dnl # 2.6.31 API change
	3	dnl #
	4	AC_DEFUN([ZFS_AC_KERNEL_BLK_RQ_POS], [
	5	AC_MSG_CHECKING([whether blk_rq_pos() is available])
	6	ZFS_LINUX_TRY_COMPILE([
	7	#include <linux/blkdev.h>
	8	],[
	9	struct request *req = NULL;
	10	(void) blk_rq_pos(req);
	11	],[
	12	AC_MSG_RESULT(yes)
	13	AC_DEFINE(HAVE_BLK_RQ_POS, 1,
	14	[blk_rq_pos() is available])
	15	],[
	16	AC_MSG_RESULT(no)
	17	])
	18	])