[mirror_zfs-debian.git] / config / kernel-bio-bvec-iter.m4

dnl #
dnl # 3.14 API change,
dnl # Immutable biovecs. A number of fields of struct bio are moved to
dnl # struct bvec_iter.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BIO_BVEC_ITER], [
	AC_MSG_CHECKING([whether bio has bi_iter])
	ZFS_LINUX_TRY_COMPILE([
		#include <linux/bio.h>
	],[
		struct bio bio;
		bio.bi_iter.bi_sector = 0;
	],[
		AC_MSG_RESULT(yes)
		AC_DEFINE(HAVE_BIO_BVEC_ITER, 1, [bio has bi_iter])
	],[
		AC_MSG_RESULT(no)
	])
])
Commit	Line	Data
ea04106b AX	1	dnl #
	2	dnl # 3.14 API change,
	3	dnl # Immutable biovecs. A number of fields of struct bio are moved to
	4	dnl # struct bvec_iter.
	5	dnl #
	6	AC_DEFUN([ZFS_AC_KERNEL_BIO_BVEC_ITER], [
	7	AC_MSG_CHECKING([whether bio has bi_iter])
	8	ZFS_LINUX_TRY_COMPILE([
	9	#include <linux/bio.h>
	10	],[
	11	struct bio bio;
	12	bio.bi_iter.bi_sector = 0;
	13	],[
	14	AC_MSG_RESULT(yes)
	15	AC_DEFINE(HAVE_BIO_BVEC_ITER, 1, [bio has bi_iter])
	16	],[
	17	AC_MSG_RESULT(no)
	18	])
	19	])
	20