Currently if we add a new TASKSTATS_ constant, we will chanage all
CGROUPSTATS_ contants and break backward compatibility.
Signed-off-by: Andrey Vagin <avagin@xxxxxxxxxx>
---
include/uapi/linux/cgroupstats.h | 15 ---------------
include/uapi/linux/taskstats.h | 7 +++++++
2 files changed, 7 insertions(+), 15 deletions(-)
diff --git a/include/uapi/linux/cgroupstats.h b/include/uapi/linux/cgroupstats.h
index 3753c33..8095931 100644
--- a/include/uapi/linux/cgroupstats.h
+++ b/include/uapi/linux/cgroupstats.h
@@ -37,21 +37,6 @@ struct cgroupstats {
__u64 nr_io_wait; /* Number of tasks waiting on IO */
};
-/*
- * Commands sent from userspace
- * Not versioned. New commands should only be inserted at the enum's end
- * prior to __CGROUPSTATS_CMD_MAX
- */
-
-enum {
- CGROUPSTATS_CMD_UNSPEC = __TASKSTATS_CMD_MAX, /* Reserved */
- CGROUPSTATS_CMD_GET, /* user->kernel request/get-response */
- CGROUPSTATS_CMD_NEW, /* kernel->user event */
- __CGROUPSTATS_CMD_MAX,
-};
-
-#define CGROUPSTATS_CMD_MAX (__CGROUPSTATS_CMD_MAX - 1)
-
enum {
CGROUPSTATS_TYPE_UNSPEC = 0, /* Reserved */
CGROUPSTATS_TYPE_CGROUP_STATS, /* contains name + stats */
diff --git a/include/uapi/linux/taskstats.h b/include/uapi/linux/taskstats.h
index 2466e55..a1cc91b 100644
--- a/include/uapi/linux/taskstats.h
+++ b/include/uapi/linux/taskstats.h
@@ -176,9 +176,16 @@ enum {
TASKSTATS_CMD_UNSPEC = 0, /* Reserved */
TASKSTATS_CMD_GET, /* user->kernel request/get-response */
TASKSTATS_CMD_NEW, /* kernel->user event */
+ __TASKSTATS_CMD_RESERVED,
+
+ CGROUPSTATS_CMD_GET, /* user->kernel request/get-response */
+ CGROUPSTATS_CMD_NEW, /* kernel->user event */
+
__TASKSTATS_CMD_MAX,
};
+#define __CGROUPSTATS_CMD_MAX __TASKSTATS_CMD_MAX
+#define CGROUPSTATS_CMD_MAX (__CGROUPSTATS_CMD_MAX - 1)
#define TASKSTATS_CMD_MAX (__TASKSTATS_CMD_MAX - 1)
enum {
--
2.1.0
--
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