diff options
Diffstat (limited to '')
| -rw-r--r-- | net/ipv4/tcp_memcontrol.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/net/ipv4/tcp_memcontrol.c b/net/ipv4/tcp_memcontrol.c index d4f015ad6c84..841fd3fa937a 100644 --- a/net/ipv4/tcp_memcontrol.c +++ b/net/ipv4/tcp_memcontrol.c @@ -102,17 +102,19 @@ static int tcp_update_limit(struct mem_cgroup *memcg, u64 val) return 0; } -static int tcp_cgroup_write(struct cgroup_subsys_state *css, struct cftype *cft, - char *buffer) +static ssize_t tcp_cgroup_write(struct kernfs_open_file *of, + char *buf, size_t nbytes, loff_t off) { - struct mem_cgroup *memcg = mem_cgroup_from_css(css); + struct mem_cgroup *memcg = mem_cgroup_from_css(of_css(of)); unsigned long long val; int ret = 0; - switch (cft->private) { + buf = strstrip(buf); + + switch (of_cft(of)->private) { case RES_LIMIT: /* see memcontrol.c */ - ret = res_counter_memparse_write_strategy(buffer, &val); + ret = res_counter_memparse_write_strategy(buf, &val); if (ret) break; ret = tcp_update_limit(memcg, val); @@ -121,7 +123,7 @@ static int tcp_cgroup_write(struct cgroup_subsys_state *css, struct cftype *cft, ret = -EINVAL; break; } - return ret; + return ret ?: nbytes; } static u64 tcp_read_stat(struct mem_cgroup *memcg, int type, u64 default_val) @@ -193,7 +195,7 @@ static int tcp_cgroup_reset(struct cgroup_subsys_state *css, unsigned int event) static struct cftype tcp_files[] = { { .name = "kmem.tcp.limit_in_bytes", - .write_string = tcp_cgroup_write, + .write = tcp_cgroup_write, .read_u64 = tcp_cgroup_read, .private = RES_LIMIT, }, |