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authorTony Hutter <[email protected]>2019-01-09 13:16:39 -0800
committerBrian Behlendorf <[email protected]>2019-01-28 10:11:03 -0800
commit5cb46f6a664db913f0ef2bf8e929c3f8d8cbfc5b (patch)
treef7178c62fe466b7ee81a3b21871ababa79270d9b /config
parentc853f382db731e15a87512f4ef1101d14d778a55 (diff)
Linux 4.18 compat: Use ktime_get_coarse_real_ts64()
Newer kernels remove current_kernel_time64(). Use ktime_get_coarse_real_ts64() in its place. Reviewed-by: Brian Behlendorf <[email protected]> Signed-off-by: Tony Hutter <[email protected]> Closes #8258
Diffstat (limited to 'config')
-rw-r--r--config/kernel-ktime_get_coarse_real_ts64.m418
-rw-r--r--config/kernel.m41
2 files changed, 19 insertions, 0 deletions
diff --git a/config/kernel-ktime_get_coarse_real_ts64.m4 b/config/kernel-ktime_get_coarse_real_ts64.m4
new file mode 100644
index 000000000..d6be8c418
--- /dev/null
+++ b/config/kernel-ktime_get_coarse_real_ts64.m4
@@ -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)
+ ])
+])
diff --git a/config/kernel.m4 b/config/kernel.m4
index 7330c00e1..098c43700 100644
--- a/config/kernel.m4
+++ b/config/kernel.m4
@@ -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"