xref: /freebsd/sys/contrib/openzfs/config/kernel-inode-times.m4 (revision e6bfd18d21b225af6a0ed67ceeaf1293b7b9eba5)
1AC_DEFUN([ZFS_AC_KERNEL_SRC_INODE_TIMES], [
2
3	dnl #
4	dnl # 5.6 API change
5	dnl # timespec64_trunc() replaced by timestamp_truncate() interface.
6	dnl #
7	ZFS_LINUX_TEST_SRC([timestamp_truncate], [
8		#include <linux/fs.h>
9	],[
10		struct timespec64 ts;
11		struct inode ip;
12
13		memset(&ts, 0, sizeof(ts));
14		ts = timestamp_truncate(ts, &ip);
15	])
16
17	dnl #
18	dnl # 4.18 API change
19	dnl # i_atime, i_mtime, and i_ctime changed from timespec to timespec64.
20	dnl #
21	ZFS_LINUX_TEST_SRC([inode_times], [
22		#include <linux/fs.h>
23	],[
24		struct inode ip;
25		struct timespec ts;
26
27		memset(&ip, 0, sizeof(ip));
28		ts = ip.i_mtime;
29	])
30])
31
32AC_DEFUN([ZFS_AC_KERNEL_INODE_TIMES], [
33	AC_MSG_CHECKING([whether timestamp_truncate() exists])
34	ZFS_LINUX_TEST_RESULT([timestamp_truncate], [
35		AC_MSG_RESULT(yes)
36		AC_DEFINE(HAVE_INODE_TIMESTAMP_TRUNCATE, 1,
37		    [timestamp_truncate() exists])
38	],[
39		AC_MSG_RESULT(no)
40	])
41
42	AC_MSG_CHECKING([whether inode->i_*time's are timespec64])
43	ZFS_LINUX_TEST_RESULT([inode_times], [
44		AC_MSG_RESULT(no)
45	],[
46		AC_MSG_RESULT(yes)
47		AC_DEFINE(HAVE_INODE_TIMESPEC64_TIMES, 1,
48		    [inode->i_*time's are timespec64])
49	])
50])
51