zfs-builds-mm/zfs-0.8.1/config/kernel-get-disk-and-module.m4

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2019-07-06 23:40:11 +02:00
dnl #
dnl # 4.16 API change
dnl # Verify if get_disk_and_module() symbol is available.
dnl #
AC_DEFUN([ZFS_AC_KERNEL_GET_DISK_AND_MODULE],
[AC_MSG_CHECKING([whether get_disk_and_module() is available])
ZFS_LINUX_TRY_COMPILE_SYMBOL([
#include <linux/genhd.h>
], [
struct gendisk *disk = NULL;
(void) get_disk_and_module(disk);
], [get_disk_and_module], [block/genhd.c], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_GET_DISK_AND_MODULE,
1, [get_disk_and_module() is available])
], [
AC_MSG_RESULT(no)
])
])