On Sat, Nov 21, 2015 at 11:18:46AM -0500, Tejun Heo wrote:
quoted hunk ↗ jump to hunk
libxt_cgroup will grow cgroup2 path based match. Postfix existing
symbols with _v0 and prepare for multi revision registration. While
at it, rename O_CGROUP to O_CLASSID and fwid to classid.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Daniel Borkmann <redacted>
Cc: Jan Engelhardt <redacted>
Cc: Pablo Neira Ayuso <pablo@netfilter.org>
---
extensions/libxt_cgroup.c | 51 +++++++++++++++++++-----------------
include/linux/netfilter/xt_cgroup.h | 2 -
2 files changed, 28 insertions(+), 25 deletions(-)
--- a/extensions/libxt_cgroup.c
+++ b/extensions/libxt_cgroup.c
@@ -3,30 +3,30 @@
#include <linux/netfilter/xt_cgroup.h>
enum {
- O_CGROUP = 0,
+ O_CLASSID = 0,
};
-static void cgroup_help(void)
+static void cgroup_help_v0(void)
{
printf(
"cgroup match options:\n"
-"[!] --cgroup fwid Match cgroup fwid\n");
+"[!] --cgroup classid Match cgroup classid\n");
We have to keep the old cgroup integer ID around for a while,
otherwise we'll break users with old kernels and new iptables
utilities.