4 dnl # The bio_set_dev() helper macro was introduced as part of the transition
5 dnl # to have struct gendisk in struct bio.
7 AC_DEFUN([ZFS_AC_KERNEL_BIO_SET_DEV_MACRO], [
8 AC_MSG_CHECKING([whether bio_set_dev() exists])
9 ZFS_LINUX_TRY_COMPILE([
10 #include <linux/bio.h>
13 struct block_device *bdev = NULL;
14 struct bio *bio = NULL;
15 bio_set_dev(bio, bdev);
18 AC_DEFINE(HAVE_BIO_SET_DEV, 1, [bio_set_dev() exists])
27 dnl # The bio_set_dev() helper macro was updated to internally depend on
28 dnl # bio_associate_blkg() symbol which is exported GPL-only.
30 AC_DEFUN([ZFS_AC_KERNEL_BIO_SET_DEV_GPL_ONLY], [
31 AC_MSG_CHECKING([whether bio_set_dev() is GPL-only])
32 ZFS_LINUX_TRY_COMPILE([
33 #include <linux/module.h>
34 #include <linux/bio.h>
36 MODULE_LICENSE("$ZFS_META_LICENSE");
38 struct block_device *bdev = NULL;
39 struct bio *bio = NULL;
40 bio_set_dev(bio, bdev);
45 AC_DEFINE(HAVE_BIO_SET_DEV_GPL_ONLY, 1,
46 [bio_set_dev() GPL-only])
50 AC_DEFUN([ZFS_AC_KERNEL_BIO_SET_DEV], [
51 ZFS_AC_KERNEL_BIO_SET_DEV_MACRO
52 ZFS_AC_KERNEL_BIO_SET_DEV_GPL_ONLY