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dnl #
dnl # Linux 4.14 API,
dnl #
dnl # The bio_set_dev() helper was introduced as part of the transition
dnl # to have struct gendisk in struct bio.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_BIO_SET_DEV], [
AC_MSG_CHECKING([whether bio_set_dev() exists])
ZFS_LINUX_TRY_COMPILE([
#include <linux/bio.h>
#include <linux/fs.h>
],[
struct block_device *bdev = NULL;
struct bio *bio = NULL;
bio_set_dev(bio, bdev);
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_BIO_SET_DEV, 1, [bio_set_dev() exists])
],[
AC_MSG_RESULT(no)
])
])
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