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Improve performance for zpool trim on linux
[mirror_zfs.git] / config / kernel-register_sysctl_table.m4
1 dnl #
2 dnl # Linux 6.5 removes register_sysctl_table
3 dnl #
4 AC_DEFUN([ZFS_AC_KERNEL_SRC_REGISTER_SYSCTL_TABLE], [
5 ZFS_LINUX_TEST_SRC([has_register_sysctl_table], [
6 #include <linux/sysctl.h>
7
8 static struct ctl_table dummy_table[] = {
9 {}
10 };
11
12 ],[
13 struct ctl_table_header *h
14 __attribute((unused)) = register_sysctl_table(dummy_table);
15 ])
16 ])
17
18 AC_DEFUN([ZFS_AC_KERNEL_REGISTER_SYSCTL_TABLE], [
19 AC_MSG_CHECKING([whether register_sysctl_table exists])
20 ZFS_LINUX_TEST_RESULT([has_register_sysctl_table], [
21 AC_MSG_RESULT([yes])
22 AC_DEFINE(HAVE_REGISTER_SYSCTL_TABLE, 1,
23 [register_sysctl_table exists])
24 ],[
25 AC_MSG_RESULT([no])
26 ])
27 ])