static ssize_t tcp_cgroup_reset(struct kernfs_open_file *of,
char *buf, size_t nbytes, loff_t off)
{
struct mem_cgroup *memcg;
struct cg_proto *cg_proto;
memcg = mem_cgroup_from_css(of_css(of));
cg_proto = tcp_prot.proto_cgroup(memcg);
if (!cg_proto)
return nbytes;
switch (of_cft(of)->private) {
case RES_MAX_USAGE:
res_counter_reset_max(&cg_proto->memory_allocated);
break;
case RES_FAILCNT:
res_counter_reset_failcnt(&cg_proto->memory_allocated);
break;
}
return nbytes;
}
static int tcp_cgroup_reset(struct cgroup *cont, unsigned int event)
{
struct mem_cgroup *memcg;
struct tcp_memcontrol *tcp;
struct cg_proto *cg_proto;
memcg = mem_cgroup_from_cont(cont);
cg_proto = tcp_prot.proto_cgroup(memcg);
if (!cg_proto)
return 0;
tcp = tcp_from_cgproto(cg_proto);
switch (event) {
case RES_MAX_USAGE:
res_counter_reset_max(&tcp->tcp_memory_allocated);
break;
case RES_FAILCNT:
res_counter_reset_failcnt(&tcp->tcp_memory_allocated);
break;
}
return 0;
}
