config/kernel-inode-times.m4

   1 AC_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         dnl #
  32         dnl # 6.6 API change
  33         dnl # i_ctime no longer directly accessible, must use
  34         dnl # inode_get_ctime(ip), inode_set_ctime*(ip) to
  35         dnl # read/write.
  36         dnl #
  37         ZFS_LINUX_TEST_SRC([inode_get_ctime], [
  38                 #include <linux/fs.h>
  39         ],[
  40                 struct inode ip;
  41
  42                 memset(&ip, 0, sizeof(ip));
  43                 inode_get_ctime(&ip);
  44         ])
  45
  46         ZFS_LINUX_TEST_SRC([inode_set_ctime_to_ts], [
  47                 #include <linux/fs.h>
  48         ],[
  49                 struct inode ip;
  50                 struct timespec64 ts = {0};
  51
  52                 memset(&ip, 0, sizeof(ip));
  53                 inode_set_ctime_to_ts(&ip, ts);
  54         ])
  55 ])
  56
  57 AC_DEFUN([ZFS_AC_KERNEL_INODE_TIMES], [
  58         AC_MSG_CHECKING([whether timestamp_truncate() exists])
  59         ZFS_LINUX_TEST_RESULT([timestamp_truncate], [
  60                 AC_MSG_RESULT(yes)
  61                 AC_DEFINE(HAVE_INODE_TIMESTAMP_TRUNCATE, 1,
  62                     [timestamp_truncate() exists])
  63         ],[
  64                 AC_MSG_RESULT(no)
  65         ])
  66
  67         AC_MSG_CHECKING([whether inode->i_*time's are timespec64])
  68         ZFS_LINUX_TEST_RESULT([inode_times], [
  69                 AC_MSG_RESULT(no)
  70         ],[
  71                 AC_MSG_RESULT(yes)
  72                 AC_DEFINE(HAVE_INODE_TIMESPEC64_TIMES, 1,
  73                     [inode->i_*time's are timespec64])
  74         ])
  75
  76         AC_MSG_CHECKING([whether inode_get_ctime() exists])
  77         ZFS_LINUX_TEST_RESULT([inode_get_ctime], [
  78                 AC_MSG_RESULT(yes)
  79                 AC_DEFINE(HAVE_INODE_GET_CTIME, 1,
  80                     [inode_get_ctime() exists in linux/fs.h])
  81         ],[
  82                 AC_MSG_RESULT(no)
  83         ])
  84
  85         AC_MSG_CHECKING([whether inode_set_ctime_to_ts() exists])
  86         ZFS_LINUX_TEST_RESULT([inode_set_ctime_to_ts], [
  87                 AC_MSG_RESULT(yes)
  88                 AC_DEFINE(HAVE_INODE_SET_CTIME_TO_TS, 1,
  89                     [inode_set_ctime_to_ts() exists in linux/fs.h])
  90         ],[
  91                 AC_MSG_RESULT(no)
  92         ])
  93 ])