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Linux 4.18 compat: Use ktime_get_coarse_real_ts64()

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Newer kernels remove current_kernel_time64().  Use
ktime_get_coarse_real_ts64() in its place.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Tony Hutter <hutter2@llnl.gov>
Closes #8258
This commit is contained in:
Tony Hutter
2019-01-09 13:16:39 -08:00
committed by Brian Behlendorf
parent c853f382db
commit 5cb46f6a66
3 changed files with 31 additions and 0 deletions
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config/kernel-ktime_get_coarse_real_ts64.m4
+18
View File
@@ -0,0 +1,18 @@
dnl #
dnl # 4.18: ktime_get_coarse_real_ts64() added. Use it in place of
dnl # current_kernel_time64().
dnl #
AC_DEFUN([ZFS_AC_KERNEL_KTIME_GET_COARSE_REAL_TS64],
[AC_MSG_CHECKING([whether ktime_get_coarse_real_ts64() exists])
ZFS_LINUX_TRY_COMPILE([
#include <linux/mm.h>
], [
struct timespec64 ts;
ktime_get_coarse_real_ts64(&ts);
], [
AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_KTIME_GET_COARSE_REAL_TS64, 1, [ktime_get_coarse_real_ts64() exists])
], [
AC_MSG_RESULT(no)
])
])
config/kernel.m4
+1
View File
@@ -161,6 +161,7 @@ AC_DEFUN([ZFS_AC_CONFIG_KERNEL], [
ZFS_AC_KERNEL_ACL_HAS_REFCOUNT
ZFS_AC_KERNEL_USERNS_CAPABILITIES
ZFS_AC_KERNEL_IN_COMPAT_SYSCALL
ZFS_AC_KERNEL_KTIME_GET_COARSE_REAL_TS64
AS_IF([test "$LINUX_OBJ" != "$LINUX"], [
KERNEL_MAKE="$KERNEL_MAKE O=$LINUX_OBJ"