config/kernel-submit_bio.m4

   1 dnl #
   2 dnl # 4.8 API change
   3 dnl # The rw argument has been removed from submit_bio/submit_bio_wait.
   4 dnl # Callers are now expected to set bio->bi_rw instead of passing it in.
   5 dnl #
   6 AC_DEFUN([ZFS_AC_KERNEL_SUBMIT_BIO], [
   7         AC_MSG_CHECKING([whether submit_bio() wants 1 arg])
   8         ZFS_LINUX_TRY_COMPILE([
   9                 #include <linux/bio.h>
  10         ],[
  11                 blk_qc_t blk_qc;
  12                 struct bio *bio = NULL;
  13                 blk_qc = submit_bio(bio);
  14         ],[
  15                 AC_MSG_RESULT(yes)
  16                 AC_DEFINE(HAVE_1ARG_SUBMIT_BIO, 1, [submit_bio() wants 1 arg])
  17         ],[
  18                 AC_MSG_RESULT(no)
  19         ])
  20 ])