zfs/config/kernel-bio-bvec-iter.m4

   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