config/kernel-blk-queue-flags.m4

   1 dnl #
   2 dnl # API change
   3 dnl # https://github.com/torvalds/linux/commit/8814ce8
   4 dnl # Introduction of blk_queue_flag_set and blk_queue_flag_clear
   5 dnl #
   6
   7 AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_FLAG_SET], [
   8         AC_MSG_CHECKING([whether blk_queue_flag_set() exists])
   9         ZFS_LINUX_TRY_COMPILE([
  10                 #include <linux/kernel.h>
  11                 #include <linux/blkdev.h>
  12         ],[
  13                 struct request_queue *q = NULL;
  14                 blk_queue_flag_set(0, q);
  15         ],[
  16                 AC_MSG_RESULT(yes)
  17                 AC_DEFINE(HAVE_BLK_QUEUE_FLAG_SET, 1, [blk_queue_flag_set() exists])
  18         ],[
  19                 AC_MSG_RESULT(no)
  20         ])
  21 ])
  22
  23 AC_DEFUN([ZFS_AC_KERNEL_BLK_QUEUE_FLAG_CLEAR], [
  24         AC_MSG_CHECKING([whether blk_queue_flag_clear() exists])
  25         ZFS_LINUX_TRY_COMPILE([
  26                 #include <linux/kernel.h>
  27                 #include <linux/blkdev.h>
  28         ],[
  29                 struct request_queue *q = NULL;
  30                 blk_queue_flag_clear(0, q);
  31         ],[
  32
  33                 AC_MSG_RESULT(yes)
  34                 AC_DEFINE(HAVE_BLK_QUEUE_FLAG_CLEAR, 1, [blk_queue_flag_clear() exists])
  35         ],[
  36                 AC_MSG_RESULT(no)
  37         ])
  38 ])