mirror_zfs/config/kernel-add-disk.m4
Rich Ercolani 12fa250d84 Linux 5.16 compat: Added add_disk check for return
add_disk went from void to must-check int return.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Coleman Kane <ckane@colemankane.org>
Signed-off-by: Rich Ercolani <rincebrain@gmail.com>
Closes #12975
2022-01-24 12:59:01 -08:00

28 lines
523 B
Plaintext

dnl #
dnl # 5.16 API change
dnl # add_disk grew a must-check return code
dnl #
AC_DEFUN([ZFS_AC_KERNEL_SRC_ADD_DISK], [
ZFS_LINUX_TEST_SRC([add_disk_ret], [
#include <linux/genhd.h>
], [
struct gendisk *disk = NULL;
int err = add_disk(disk);
err = err;
])
])
AC_DEFUN([ZFS_AC_KERNEL_ADD_DISK], [
AC_MSG_CHECKING([whether add_disk() returns int])
ZFS_LINUX_TEST_RESULT([add_disk_ret],
[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_ADD_DISK_RET, 1,
[add_disk() returns int])
], [
AC_MSG_RESULT(no)
])
])