+
+dnl #
+dnl # Linux 5.0 API,
+dnl #
+dnl # The bio_set_dev() helper macro was updated to internally depend on
+dnl # bio_associate_blkg() symbol which is exported GPL-only.
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_BIO_SET_DEV_GPL_ONLY], [
+ AC_MSG_CHECKING([whether bio_set_dev() is GPL-only])
+ ZFS_LINUX_TRY_COMPILE([
+ #include <linux/module.h>
+ #include <linux/bio.h>
+ #include <linux/fs.h>
+ MODULE_LICENSE("$ZFS_META_LICENSE");
+ ],[
+ struct block_device *bdev = NULL;
+ struct bio *bio = NULL;
+ bio_set_dev(bio, bdev);
+ ],[
+ AC_MSG_RESULT(no)
+ ],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_BIO_SET_DEV_GPL_ONLY, 1,
+ [bio_set_dev() GPL-only])
+ ])
+])
+
+AC_DEFUN([ZFS_AC_KERNEL_BIO_SET_DEV], [
+ ZFS_AC_KERNEL_BIO_SET_DEV_MACRO
+ ZFS_AC_KERNEL_BIO_SET_DEV_GPL_ONLY
+])