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Linux 5.6 compat: timestamp_truncate()

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The timestamp_truncate() function was added, it replaces the existing
timespec64_trunc() function.  This change renames our wrapper function
to be consistent with the upstream name and updates the compatibility
code for older kernels accordingly.

Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #9956
Closes #9961
This commit is contained in:
Brian Behlendorf
2020-02-06 12:37:25 -08:00
parent 0dd7364853
commit 795699a6cc
4 changed files with 40 additions and 18 deletions
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config/kernel-inode-times.m4
+27 -4
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@@ -1,8 +1,22 @@
dnl #
dnl # 4.18 API change
dnl # i_atime, i_mtime, and i_ctime changed from timespec to timespec64.
dnl #
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;
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>
],[
@@ -15,6 +29,15 @@ AC_DEFUN([ZFS_AC_KERNEL_SRC_INODE_TIMES], [
])
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)