zfs-builds-mm/zfs-2.0.0-rc4/config/kernel-inode-times.m4
2020-10-22 14:20:35 +02:00

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AC_DEFUN([ZFS_AC_KERNEL_SRC_INODE_TIMES], [
dnl #
dnl # 5.6 API change
dnl # timespec64_trunc() replaced by timestamp_truncate() interface.
dnl #
ZFS_LINUX_TEST_SRC([timestamp_truncate], [
#include <linux/fs.h>
],[
struct timespec64 ts;
struct inode ip;
memset(&ts, 0, sizeof(ts));
ts = timestamp_truncate(ts, &ip);
])
dnl #
dnl # 4.18 API change
dnl # i_atime, i_mtime, and i_ctime changed from timespec to timespec64.
dnl #
ZFS_LINUX_TEST_SRC([inode_times], [
#include <linux/fs.h>
],[
struct inode ip;
struct timespec ts;
memset(&ip, 0, sizeof(ip));
ts = ip.i_mtime;
])
])
AC_DEFUN([ZFS_AC_KERNEL_INODE_TIMES], [
AC_MSG_CHECKING([whether timestamp_truncate() exists])
ZFS_LINUX_TEST_RESULT([timestamp_truncate], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_INODE_TIMESTAMP_TRUNCATE, 1,
[timestamp_truncate() exists])
],[
AC_MSG_RESULT(no)
])
AC_MSG_CHECKING([whether inode->i_*time's are timespec64])
ZFS_LINUX_TEST_RESULT([inode_times], [
AC_MSG_RESULT(no)
],[
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_INODE_TIMESPEC64_TIMES, 1,
[inode->i_*time's are timespec64])
])
])